/* =============================================
   MANGALAM HDPE PIPES — styles.css
   ============================================= */

/* ── Design Tokens ── */
:root {
  --navy:        #1a3c6b;
  --navy-dark:   #0f2444;
  --navy-mid:    #1e4a82;
  --accent:      #e85d26;
  --accent-light:#f47340;
  --orange:      #f59e0b;
  --green:       #16a34a;
  --white:       #ffffff;
  --off-white:   #f8f9fb;
  --gray-50:     #f8f9fb;
  --gray-100:    #f1f3f6;
  --gray-200:    #e4e8ef;
  --gray-300:    #c8d0dc;
  --gray-500:    #7a8898;
  --gray-700:    #3d4b5e;
  --gray-900:    #1c2536;
  --text:        #1c2536;
  --text-muted:  #6b7a8d;
  --border:      #e2e8f0;

  --font-display: 'Sora', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;

  --shadow-sm:   0 1px 4px rgba(0,0,0,.06);
  --shadow-md:   0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.12);
  --shadow-xl:   0 20px 60px rgba(0,0,0,.18);

  --transition:  all .25s cubic-bezier(.4,0,.2,1);
  --max-w:       1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input { font-family: inherit; }

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

/* ── Text utility ── */
.text-accent { color: var(--accent); }

/* =============================================
   BUTTONS
   ============================================= */
.btn { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-display); font-weight: 600; transition: var(--transition); white-space: nowrap; }

/* Nav sized */
.btn--outline-nav {
  padding: 7px 16px; border: 1.5px solid var(--navy); border-radius: var(--radius-sm);
  font-size: .82rem; color: var(--navy);
}
.btn--outline-nav:hover { background: var(--navy); color: var(--white); }

.btn--ghost-nav {
  padding: 7px 16px; border-radius: var(--radius-sm);
  font-size: .82rem; color: var(--gray-700);
}
.btn--ghost-nav:hover { background: var(--gray-100); }

.btn--primary-nav {
  padding: 7px 16px; background: var(--navy); border-radius: var(--radius-sm);
  font-size: .82rem; color: var(--white);
}
.btn--primary-nav:hover { background: var(--navy-dark); }

/* Sticky header sized */
.btn--outline-sm {
  padding: 6px 14px; border: 1.5px solid var(--navy); border-radius: var(--radius-sm);
  font-size: .78rem; color: var(--navy);
}
.btn--ghost-sm {
  padding: 6px 14px; border-radius: var(--radius-sm);
  font-size: .78rem; color: var(--gray-700);
}
.btn--primary-sm {
  padding: 6px 14px; background: var(--navy); border-radius: var(--radius-sm);
  font-size: .78rem; color: var(--white);
}

/* Large CTAs */
.btn--primary-lg {
  padding: 13px 28px; background: var(--navy); border-radius: var(--radius-md);
  font-size: .92rem; color: var(--white);
}
.btn--primary-lg:hover { background: var(--navy-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn--outline-lg {
  padding: 12px 24px; border: 1.5px solid var(--gray-300); border-radius: var(--radius-md);
  font-size: .92rem; color: var(--gray-700);
}
.btn--outline-lg:hover { border-color: var(--navy); color: var(--navy); }

/* Medium */
.btn--outline-md {
  padding: 11px 22px; border: 1.5px solid var(--navy); border-radius: var(--radius-md);
  font-size: .88rem; color: var(--navy);
}
.btn--outline-md:hover { background: var(--navy); color: var(--white); }

.btn--primary-md {
  padding: 11px 22px; background: var(--navy); border-radius: var(--radius-md);
  font-size: .88rem; color: var(--white);
}
.btn--primary-md:hover { background: var(--navy-dark); }

.btn--primary-full {
  width: 100%; padding: 13px; background: var(--navy); border-radius: var(--radius-md);
  font-size: .9rem; color: var(--white); text-align: center; justify-content: center;
}
.btn--primary-full:hover { background: var(--navy-dark); }

/* Link style */
.btn--link { font-size: .85rem; color: var(--navy); font-weight: 600; padding: 0; gap: 4px; }
.btn--link:hover { color: var(--accent); }
.btn--link-small { font-size: .82rem; color: var(--navy); font-weight: 600; gap: 4px; }
.btn--link-small:hover { color: var(--accent); }

/* =============================================
   STICKY HEADER
   ============================================= */
.sticky-header {
  position: fixed;
  top: -80px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  transition: top .35s cubic-bezier(.4,0,.2,1);
}
.sticky-header.visible { top: 0; }

.sticky-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.sticky-header__nav { display: flex; align-items: center; gap: 10px; }

/* =============================================
   MAIN NAV
   ============================================= */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.main-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.main-nav__links { display: flex; align-items: center; gap: 10px; }

/* Logo */
.logo, .sticky-header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark svg { display: block; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--navy); letter-spacing: -.02em; }
.logo-sub { font-size: .62rem; color: var(--gray-500); letter-spacing: .08em; font-weight: 500; }
.logo-main--dark { color: var(--white); }
.logo-sub--dark { color: rgba(255,255,255,.6); }

/* Dropdown */
.nav-dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  overflow: hidden;
  z-index: 200;
}
.dropdown-menu a {
  display: block;
  padding: 10px 18px;
  font-size: .87rem;
  color: var(--gray-700);
  transition: var(--transition);
}
.dropdown-menu a:hover { background: var(--gray-50); color: var(--navy); }
.nav-dropdown:hover .dropdown-menu { display: block; }

.icon-chevron { display: inline-block; vertical-align: middle; }

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-menu { display: none; padding: 12px 24px 16px; border-top: 1px solid var(--border); }
.mobile-menu a { display: block; padding: 10px 0; font-size: .9rem; color: var(--gray-700); border-bottom: 1px solid var(--gray-100); }
.mobile-menu.open { display: block; }

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  font-size: .8rem;
  color: var(--gray-500);
}
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--navy); }
.breadcrumb span { color: var(--gray-700); font-weight: 500; }

/* =============================================
   HERO / PRODUCT SECTION
   ============================================= */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  padding-top: 20px;
  padding-bottom: 60px;
}

/* ── Carousel ── */
.carousel {
  position: relative;
  user-select: none;
}

.carousel__stage {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  aspect-ratio: 4/3;
}

.carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .45s ease;
  cursor: crosshair;
}
.carousel__slide.active { opacity: 1; z-index: 1; }

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  pointer-events: none;
}

/* Zoom lens on hover */
.zoom-lens {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

/* Zoom preview box */
.zoom-preview {
  display: none;
  position: absolute;
  top: 0;
  right: calc(100% + 16px);
  width: 260px;
  height: 260px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-xl);
  z-index: 100;
  background: var(--gray-100);
  pointer-events: none;
}
.zoom-preview.active { display: block; }
#zoomCanvas { display: block; }

/* Hover crosshair overlay */
.carousel__stage:hover::after {
  content: '';
  position: absolute;
  border: 2px solid rgba(255,255,255,.6);
  border-radius: 4px;
  pointer-events: none;
  z-index: 10;
  width: 80px;
  height: 80px;
}

/* Arrows */
.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 36px;
  height: 36px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  transition: var(--transition);
}
.carousel__arrow:hover { background: var(--navy); color: var(--white); }
.carousel__arrow--prev { left: 12px; }
.carousel__arrow--next { right: 12px; }

/* Thumbnails */
.carousel__thumbs {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding: 0 2px;
}
.carousel__thumb {
  width: 64px;
  height: 52px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  transition: var(--transition);
  flex-shrink: 0;
}
.carousel__thumb img { width: 100%; height: 100%; object-fit: cover; }
.carousel__thumb.active { border-color: var(--navy); }
.carousel__thumb:hover { border-color: var(--navy-mid); }

/* ── Hero Info ── */
.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .75rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 20px;
  letter-spacing: -.03em;
}

.hero__features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.hero__features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  color: var(--gray-700);
}
.feat-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.feat-dot--blue { background: var(--navy); }

/* Pricing */
.hero__pricing { margin-bottom: 24px; }
.price-label { font-size: .75rem; color: var(--gray-500); font-weight: 500; margin-bottom: 4px; text-transform: uppercase; letter-spacing: .06em; }
.price-value { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }

.shipping-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.tag { display: inline-flex; align-items: center; gap: 4px; font-size: .75rem; font-weight: 600; padding: 4px 12px; border-radius: 100px; }
.tag--orange { background: #fef3c7; color: #92400e; }
.tag--green  { background: #dcfce7; color: #15803d; }

.certifications-line { font-size: .8rem; color: var(--gray-500); }
.certifications-line strong { color: var(--gray-700); }

/* CTAs */
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }

/* Trust */
.trust-section { border-top: 1px solid var(--border); padding-top: 20px; }
.trust-label { font-size: .75rem; color: var(--gray-500); margin-bottom: 12px; text-align: center; }
.trust-logos {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.trust-logo {
  font-family: var(--font-display);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gray-400);
  padding: 4px 10px;
  border: 1.5px solid var(--gray-200);
  border-radius: 4px;
  transition: var(--transition);
}
.trust-logo--active {
  color: var(--navy);
  border-color: var(--navy);
  background: var(--gray-50);
}

/* =============================================
   SECTION HEADER (reusable)
   ============================================= */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
  letter-spacing: -.03em;
  line-height: 1.2;
}
.section-header p {
  font-size: .92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* =============================================
   SPECS SECTION
   ============================================= */
.specs-section {
  background: var(--navy-dark);
  color: var(--white);
  padding: 80px 0;
}
.specs-section .section-header h2 { color: var(--white); }
.specs-section .section-header p { color: rgba(255,255,255,.65); }

.specs-table-wrapper {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}
.specs-table thead tr {
  background: rgba(255,255,255,.08);
}
.specs-table th {
  padding: 14px 24px;
  text-align: left;
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.specs-table td {
  padding: 14px 24px;
  font-size: .88rem;
  color: rgba(255,255,255,.85);
  border-top: 1px solid rgba(255,255,255,.07);
}
.specs-table tr:hover td { background: rgba(255,255,255,.04); }

.specs-table__highlight td {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
}
.specs-table td:first-child { color: rgba(255,255,255,.6); font-size: .82rem; }

.specs-download { text-align: center; }
.specs-section .btn--outline-md {
  border-color: rgba(255,255,255,.4);
  color: var(--white);
}
.specs-section .btn--outline-md:hover { background: rgba(255,255,255,.1); border-color: var(--white); }

/* =============================================
   FEATURES
   ============================================= */
.features-section {
  padding: 80px 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.feature-card__icon {
  width: 48px;
  height: 48px;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.feature-card p { font-size: .82rem; color: var(--text-muted); line-height: 1.65; }

.features-cta { text-align: center; }

/* =============================================
   FAQ
   ============================================= */
.faq-section { padding: 80px 0; background: var(--gray-50); }
.faq-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 36px;
  letter-spacing: -.03em;
}

.faq-list { max-width: 720px; margin-bottom: 56px; }

.faq-item {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 0;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-800, #2d3748);
  text-align: left;
  gap: 16px;
}
.faq-question:hover { color: var(--navy); }

.faq-icon {
  flex-shrink: 0;
  transition: transform .25s ease;
  color: var(--gray-500);
}
.faq-item.active .faq-icon { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.active .faq-answer { max-height: 200px; padding-bottom: 16px; }
.faq-answer p { font-size: .88rem; color: var(--text-muted); line-height: 1.7; }

/* Catalogue CTA */
.catalogue-cta {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  max-width: 720px;
}
.catalogue-cta__text h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.catalogue-cta__text p { font-size: .82rem; color: var(--text-muted); }
.catalogue-cta__form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* =============================================
   OUR SESSION
   ============================================= */
.session-section { padding: 80px 0; background: var(--gray-50); }
.session-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
.session-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.session-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.session-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.session-item p {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.session-cta {
  margin-top: 16px;
}
.session-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.session-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}

.input-field {
  padding: 10px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: .88rem;
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: var(--transition);
}
.input-field:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(26,60,107,.08); }
.input-field::placeholder { color: var(--gray-300); }

/* =============================================
   PROCESS SECTION
   ============================================= */
.process-section { padding: 80px 0; background: var(--white); }

.process-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  background: var(--gray-50);
  padding: 6px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.process-tab {
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-500);
  transition: var(--transition);
}
.process-tab:hover { color: var(--navy); }
.process-tab.active {
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.process-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.process-content__text h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
  letter-spacing: -.02em;
}
.process-content__text > p { font-size: .88rem; color: var(--text-muted); margin-bottom: 20px; line-height: 1.7; }
.process-bullets { display: flex; flex-direction: column; gap: 8px; }
.process-bullets li { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--gray-700); font-weight: 500; }
.bullet-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--navy); flex-shrink: 0; }

.process-content__image { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.process-content__image img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}
.process-img-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 34px;
  height: 34px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  transition: var(--transition);
}
.process-img-arrow:hover { background: var(--navy); color: var(--white); }
.process-img-arrow--prev { left: 12px; }
.process-img-arrow--next { right: 12px; }

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials-section {
  padding: 80px 0;
  background: var(--navy-dark);
  overflow: hidden;
}
.testimonials-section .section-header h2 { color: var(--white); }
.testimonials-section .section-header p { color: rgba(255,255,255,.6); }

.testimonials-track-wrapper { overflow: hidden; }
.testimonials-track {
  display: flex;
  gap: 24px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.testimonials-track::-webkit-scrollbar { display: none; }

.testimonial-card {
  flex: 0 0 300px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.testimonial-card:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); }

.testimonial-card__quote {
  font-family: Georgia, serif;
  font-size: 3rem;
  line-height: .8;
  color: rgba(255,255,255,.2);
  margin-bottom: 14px;
}
.testimonial-card p {
  font-size: .85rem;
  color: rgba(255,255,255,.8);
  line-height: 1.7;
  margin-bottom: 20px;
}
.testimonial-card__author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}
.testimonial-card__author strong { display: block; font-size: .85rem; color: var(--white); font-weight: 600; }
.testimonial-card__author span { font-size: .75rem; color: rgba(255,255,255,.5); }

/* =============================================
   PORTFOLIO
   ============================================= */
.portfolio-section { padding: 80px 0; background: var(--white); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.portfolio-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.portfolio-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.portfolio-card__img {
  aspect-ratio: 16/10;
  overflow: hidden;
}
.portfolio-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.portfolio-card:hover .portfolio-card__img img { transform: scale(1.06); }

.portfolio-card__body { padding: 20px; }
.portfolio-card__body h3 {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.portfolio-card__body p { font-size: .82rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 14px; }

/* Expert CTA bar */
.expert-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
  gap: 16px;
}
.expert-cta__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.expert-cta__text strong { font-family: var(--font-display); font-size: .95rem; color: var(--gray-900); }
.expert-cta__text span { font-size: .82rem; color: var(--text-muted); }

/* =============================================
   RESOURCES
   ============================================= */
.resources-section { padding: 60px 0; background: var(--gray-50); }

.resources-list {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
}
.resource-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  gap: 16px;
}
.resource-item:last-child { border-bottom: none; }
.resource-item:hover { background: var(--gray-50); }
.resource-item__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--gray-700);
  font-weight: 500;
}

/* =============================================
   CONTACT / CTA
   ============================================= */
.contact-section {
  background: var(--navy-dark);
  padding: 80px 0;
}
.contact-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.contact-section__cta h2 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -.03em;
  line-height: 1.2;
}
.contact-section__cta p {
  font-size: .88rem;
  color: rgba(255,255,255,.7);
  line-height: 1.7;
  margin-bottom: 12px;
}
.contact-fine { font-size: .8rem !important; }
.contact-fine a { color: rgba(255,255,255,.9); text-decoration: underline; }

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-xl);
}
.contact-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 20px;
}
.form-fields { display: flex; flex-direction: column; gap: 12px; }
.input-field { width: 100%; }

.phone-field {
  display: flex;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  focus-within: border-color: var(--navy);
}
.phone-field:focus-within { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(26,60,107,.08); }
.phone-prefix {
  padding: 10px 14px;
  background: var(--gray-50);
  border-right: 1px solid var(--border);
  font-size: .88rem;
  color: var(--gray-700);
  font-weight: 500;
  white-space: nowrap;
}
.input-field--phone { border: none; border-radius: 0; flex: 1; box-shadow: none !important; }
.input-field--phone:focus { box-shadow: none; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--navy-dark);
  color: var(--white);
  padding-top: 60px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1.2fr 1.2fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer__brand { display: flex; flex-direction: column; gap: 20px; }
.footer__logo { display: flex; align-items: center; gap: 10px; }
.footer__tagline {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  line-height: 1.5;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 8px; }
.footer__col ul li a {
  font-size: .83rem;
  color: rgba(255,255,255,.65);
  transition: var(--transition);
}
.footer__col ul li a:hover { color: var(--white); }

/* Footer contact */
.footer__contact { display: flex; flex-direction: column; gap: 12px; }
.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .8rem;
  color: rgba(255,255,255,.65);
  line-height: 1.5;
}
.footer__contact li svg { flex-shrink: 0; margin-top: 2px; opacity: .6; }

/* Social icons */
.footer__social { display: flex; gap: 8px; margin-top: 16px; }
.social-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
}
.social-icon:hover { background: rgba(255,255,255,.16); color: var(--white); }

/* Footer bottom */
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
}
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__bottom span { font-size: .78rem; color: rgba(255,255,255,.4); }
.footer__bottom-links { display: flex; gap: 20px; }
.footer__bottom-links a { font-size: .78rem; color: rgba(255,255,255,.4); transition: var(--transition); }
.footer__bottom-links a:hover { color: var(--white); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 32px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-section__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__inner { grid-template-columns: repeat(2, 1fr); }
  .footer__brand { grid-column: span 2; }
  .zoom-preview { display: none !important; }
}

@media (max-width: 768px) {
  :root { --max-w: 100%; }
  .container { padding: 0 16px; }

  .main-nav__links { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero { padding-top: 16px; padding-bottom: 40px; }
  .hero__title { font-size: 1.55rem; }
  .section-header h2 { font-size: 1.55rem; }
  .specs-section { padding: 48px 0; }
  .features-section, .faq-section, .process-section, .testimonials-section,
  .portfolio-section, .resources-section, .contact-section { padding: 48px 0; }

  .features-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .catalogue-cta { flex-direction: column; align-items: flex-start; }
  .catalogue-cta__form { width: 100%; }
  .catalogue-cta__form .input-field { flex: 1; }

  .process-tabs { gap: 4px; }
  .process-tab { padding: 7px 12px; font-size: .73rem; }
  .process-content { grid-template-columns: 1fr; gap: 24px; padding: 24px; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
  .footer__bottom-inner { flex-direction: column; align-items: flex-start; }

  .specs-table th, .specs-table td { padding: 12px 14px; font-size: .78rem; }

  .contact-form-card { padding: 24px; }
  .contact-section__cta h2 { font-size: 1.55rem; }

  .sticky-header__nav .btn--ghost-sm { display: none; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.35rem; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { justify-content: center; }
  .trust-logos { gap: 8px; }
  .trust-logo { font-size: .62rem; }
  .carousel__thumbs { gap: 6px; }
  .carousel__thumb { width: 52px; height: 42px; }
}