/* ============================================================
   MAK MANUFACTURERS — style.css
   Color palette:
     --navy:    #0d1b2e  (deep dark navy — background)
     --navy-2:  #152540  (slightly lighter navy — cards)
     --navy-3:  #1e3358  (accent navy)
     --gold:    #f0a500  (primary yellow/gold accent)
     --gold-2:  #ffc133  (lighter gold for hover)
     --white:   #ffffff
     --offwhite:#f4f4f4
     --text-light: #b0bec5
     --text-muted: #607080
============================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Barlow", sans-serif;
  background: #f4f4f4;
  color: #1a1a2e;
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ---- CSS VARIABLES --------------------------------------- */
:root {
  --navy: #0d1b2e;
  --navy-2: #152540;
  --navy-3: #1e3358;
  --gold: #f0a500;
  --gold-2: #ffc133;
  --white: #ffffff;
  --offwhite: #f4f4f4;
  --text-light: #b0bec5;
  --text-muted: #607080;
  --radius: 8px;
  --transition: 0.3s ease;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

/* ---- TYPOGRAPHY ------------------------------------------ */
h1,
h2,
h3,
h4 {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* ---- LAYOUT UTILITIES ------------------------------------ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-dark {
  background: var(--navy);
  color: var(--white);
}
.section-light {
  background: var(--offwhite);
  color: var(--navy);
}
.section-accent {
  background: var(--navy-2);
  color: var(--white);
}

/* sections share vertical padding */
.about,
.services,
.filtration,
.industries,
.why-us,
.portfolio,
.testimonials,
.faq {
  padding: 90px 0;
}

/* ---- SECTION LABELS / HEADERS --------------------------- */
.section-label {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 14px;
  margin-bottom: 14px;
  clip-path: polygon(
    0 0,
    calc(100% - 10px) 0,
    100% 50%,
    calc(100% - 10px) 100%,
    0 100%
  );
}

.section-label-light {
  background: var(--gold);
  color: var(--navy);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header-light {
  color: var(--white);
}
.section-header-light .section-title {
  color: var(--white);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--navy);
  margin-bottom: 12px;
}

.section-dark .section-title,
.section-accent .section-title {
  color: var(--white);
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

.section-dark .section-sub,
.section-accent .section-sub {
  color: var(--text-light);
}

/* ---- BUTTONS --------------------------------------------- */
.btn {
  display: inline-block;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 32px;
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: var(--white);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition:
    background var(--transition),
    box-shadow var(--transition);
}
.navbar.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-badge {
  background: var(--gold);
  color: var(--navy);
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 3px;
}
.logo-name {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--white);
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover {
  color: var(--gold);
}
.nav-links a:hover::after {
  transform: scaleX(1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* Fallback: solid dark navy if no image */
  background: var(--navy) center/cover no-repeat;
  /* Replace this URL with your actual hero image */
  background-image: url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?w=1600&auto=format&fit=crop&q=80");
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 27, 46, 0.92) 0%,
    rgba(13, 27, 46, 0.75) 60%,
    rgba(13, 27, 46, 0.88) 100%
  );
}
/* Decorative diagonal lines */
.hero-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hline {
  position: absolute;
  width: 2px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(240, 165, 0, 0.25),
    transparent
  );
}
.hline-1 {
  right: 28%;
  transform: rotate(15deg) scaleY(1.5);
}
.hline-2 {
  right: 18%;
  transform: rotate(15deg) scaleY(1.5);
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 100px;
  padding-bottom: 120px;
}
.hero-badge {
  display: inline-block;
  border: 1px solid rgba(240, 165, 0, 0.5);
  color: var(--gold);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  animation: fadeSlideIn 0.8s ease both;
}
.hero-title {
  font-size: clamp(3.5rem, 9vw, 7rem);
  color: var(--white);
  line-height: 1;
  margin-bottom: 16px;
  animation: fadeSlideIn 0.8s 0.15s ease both;
}
.hero-title-accent {
  color: var(--gold);
}

.hero-tagline {
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--text-light);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  animation: fadeSlideIn 0.8s 0.25s ease both;
}
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  animation: fadeSlideIn 0.8s 0.35s ease both;
}
.hero-cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeSlideIn 0.8s 0.45s ease both;
}

/* Info bar */
.hero-infobar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  padding: 14px 24px;
}
.infobar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  padding: 4px 24px;
}
.infobar-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.infobar-divider {
  width: 1px;
  height: 28px;
  background: rgba(13, 27, 46, 0.25);
}

/* ============================================================
   ABOUT
============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-image {
  position: relative;
}
.img-collage {
  position: relative;
  height: 440px;
}
.img-card {
  position: absolute;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-3);
}
.img-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.img-card.img-placeholder {
  background: var(--navy-3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-card.img-placeholder::after {
  content: "Photo";
  color: var(--text-light);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}
.img-card-top {
  top: 0;
  left: 0;
  width: 55%;
  height: 52%;
}
.img-card-bottom {
  bottom: 0;
  left: 0;
  width: 55%;
  height: 44%;
}
.img-card-right {
  top: 8%;
  right: 0;
  width: 42%;
  height: 80%;
}

.stat-badge {
  position: relative;
  bottom: auto;
  left: auto;
  transform: none;
  margin: 24px auto 0;
  display: table;
  background: var(--gold);
  color: var(--navy);
  border-radius: var(--radius);
  padding: 14px 20px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 2;
}
.stat-num {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.about-text .section-label {
  margin-bottom: 16px;
}
.about-text .section-title {
  color: var(--white);
  margin-bottom: 20px;
}
.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-highlights {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.highlight-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.highlight-icon {
  width: 44px;
  height: 44px;
  background: rgba(240, 165, 0, 0.15);
  border: 1px solid rgba(240, 165, 0, 0.3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.highlight-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--gold);
}
.highlight-item strong {
  color: var(--white);
  font-size: 1rem;
  display: block;
  margin-bottom: 4px;
}
.highlight-item p {
  color: var(--text-light);
  font-size: 0.92rem;
  margin: 0;
}

/* ============================================================
   SERVICES
============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.service-card-wide {
  grid-column: 1 / -1;
}

.service-card {
  background: var(--white);
  border: 1px solid #e0e0e0;
  border-radius: var(--radius);
  padding: 28px 24px;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--gold);
  transition: height var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gold);
}
.service-card:hover::before {
  height: 100%;
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(240, 165, 0, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
}
.service-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.service-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--gold);
}
.service-card h3 {
  font-size: 1.2rem;
  color: var(--navy);
}
.service-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ============================================================
   FILTRATION MACHINERY
============================================================ */
.filtration-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.filtration-text .section-title {
  color: var(--white);
  margin-bottom: 20px;
}
.filtration-text p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}
.spec-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.spec-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 4px;
}
.spec-value {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.05rem;
  color: var(--white);
  font-weight: 600;
}

.filtration-apps h4 {
  color: var(--white);
  margin-bottom: 12px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  background: rgba(240, 165, 0, 0.15);
  border: 1px solid rgba(240, 165, 0, 0.3);
  color: var(--gold-2);
  font-size: 0.82rem;
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 500;
}

.filtration-image {
  position: relative;
}
.filtration-img-wrapper {
  position: relative; /* Added to keep image contained */
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--white);
}
.filtration-img-wrapper img {
  position: absolute; /* Takes image out of the flex layout */
  top: 0;
  left: 0;
  z-index: 1; /* Places image above the placeholder text */
  width: 100%;
  height: 100%;
  object-fit: contain; /* Changed from 'cover' to zoom the image out */
}
.img-placeholder-large {
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder-text {
  color: var(--text-light);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.filtration-badge {
  position: absolute;
  bottom: -20px;
  right: -16px;
  z-index: 10;
  background: var(--gold);
  color: var(--navy);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: center;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1.3;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 110px;
}
.filtration-badge svg {
  width: 24px;
  height: 24px;
}

/* ============================================================
   INDUSTRIES
============================================================ */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.industry-card {
  background: var(--white);
  border: 1px solid #e0e0e0;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}
.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.industry-icon {
  width: 60px;
  height: 60px;
  background: rgba(13, 27, 46, 0.07);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.industry-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--navy);
}
.industry-card:hover .industry-icon {
  background: var(--gold);
}
.industry-card:hover .industry-icon svg {
  stroke: var(--navy);
}
.industry-card h3 {
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 10px;
}
.industry-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================================
   WHY US
============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.why-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition:
    background var(--transition),
    border-color var(--transition);
}
.why-card:hover {
  background: rgba(240, 165, 0, 0.07);
  border-color: rgba(240, 165, 0, 0.3);
}
.why-number {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(240, 165, 0, 0.15);
  line-height: 1;
  margin-bottom: 12px;
  transition: color var(--transition);
}
.why-card:hover .why-number {
  color: rgba(240, 165, 0, 0.35);
}
.why-card h3 {
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 10px;
}
.why-card p {
  font-size: 0.92rem;
  color: var(--text-light);
}

/* ============================================================
   PORTFOLIO
============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}
.portfolio-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: #ddd;
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 27, 46, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.portfolio-overlay span {
  color: var(--white);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 6px 16px;
  border-radius: 20px;
}
.portfolio-item:hover img {
  transform: scale(1.06);
}
.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

/* placeholder portfolio items */
.portfolio-item.placeholder {
  background: linear-gradient(135deg, #c8c8c8 0%, #e0e0e0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.portfolio-item.placeholder .placeholder-label {
  font-size: 0.8rem;
  color: #888;
  text-align: center;
  padding: 12px;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
}
.lightbox.active {
  display: flex;
}
.lightbox-img-wrap {
  max-width: 85vw;
  max-height: 85vh;
  text-align: center;
}
.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius);
}
.lightbox-caption {
  color: #aaa;
  margin-top: 12px;
  font-size: 0.9rem;
}
.lightbox-close {
  position: fixed;
  top: 20px;
  right: 28px;
  color: var(--white);
  font-size: 2.5rem;
  font-weight: 300;
  z-index: 10000;
  transition: color var(--transition);
}
.lightbox-close:hover {
  color: var(--gold);
}
.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  color: var(--white);
  font-size: 2rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: background var(--transition);
}
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--gold);
  color: var(--navy);
}
.lightbox-prev {
  left: 16px;
}
.lightbox-next {
  right: 16px;
}

/* ============================================================
   TESTIMONIALS
============================================================ */
.testimonial-slider {
  display: flex;
  align-items: center;
  gap: 16px;
}
.tslider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tslider-btn:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

.tslider-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  overflow: hidden;
  width: 100%;
  transition: transform var(--transition);
}
.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  transition: border-color var(--transition);
}
.testimonial-card:hover {
  border-color: rgba(240, 165, 0, 0.4);
}
.tcard-quote {
  font-size: 4rem;
  color: var(--gold);
  line-height: 0.6;
  margin-bottom: 16px;
  font-family: Georgia, serif;
  opacity: 0.8;
}
.testimonial-card p {
  color: var(--text-light);
  font-size: 0.93rem;
  margin-bottom: 20px;
  line-height: 1.7;
}
.tcard-author strong {
  display: block;
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 2px;
}
.tcard-author span {
  color: var(--gold);
  font-size: 0.85rem;
}

.tslider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}
.tslider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.tslider-dot.active {
  background: var(--gold);
  transform: scale(1.3);
}

/* ============================================================
   FAQ
============================================================ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 64px;
  align-items: start;
}
.faq-left .section-title {
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 16px;
}
.faq-left p {
  color: var(--text-muted);
}

.faq-item {
  border-bottom: 1px solid #e0e0e0;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
  text-align: left;
  gap: 16px;
  transition: color var(--transition);
}
.faq-question:hover {
  color: var(--gold);
}
.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    padding 0.3s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-answer p {
  padding-bottom: 18px;
  color: var(--text-muted);
  font-size: 0.93rem;
}

/* ============================================================
   FOOTER
============================================================ */
.footer-top {
  background: var(--navy);
  padding: 72px 0 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 24px;
  max-width: 280px;
}

.social-links {
  display: flex;
  gap: 10px;
}
.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: var(--transition);
}
.social-btn svg {
  width: 18px;
  height: 18px;
}
.social-btn:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

.footer-col h4 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li a {
  color: var(--text-light);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.contact-icon {
  width: 36px;
  height: 36px;
  background: var(--gold);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--navy);
}
.contact-item span {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.5;
  padding-top: 6px;
}

.footer-bottom {
  background: rgba(0, 0, 0, 0.3);
  padding: 18px 0;
  text-align: center;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ============================================================
   SCROLL TO TOP
============================================================ */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--gold);
  color: var(--navy);
  border-radius: 50%;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 999;
}
.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.scroll-top:hover {
  background: var(--gold-2);
  transform: translateY(-3px);
}

/* ============================================================
   WHATSAPP POPUP
============================================================ */
.wa-wrapper {
  position: relative;
  display: inline-flex;
}
.wa-popup {
  display: none;
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy-2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 210px;
  box-shadow: var(--shadow);
  z-index: 100;
  flex-direction: column;
  gap: 4px;
}
.wa-popup.open {
  display: flex;
}
/* Small arrow pointing down toward the icon */
.wa-popup::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--navy-2);
}
.wa-popup a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 6px;
  transition: background var(--transition);
}
.wa-popup a:hover {
  background: rgba(255, 255, 255, 0.07);
}
.wa-label {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  flex-shrink: 0;
}
.wa-number {
  color: var(--text-light);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ============================================================
   ANIMATIONS
============================================================ */
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   RESPONSIVE — TABLET (max 900px)
============================================================ */
@media (max-width: 900px) {
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
  }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--navy);
    padding: 16px 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
  .nav-links.open a {
    padding: 12px 24px;
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .hamburger {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }
  .img-collage {
    height: 320px;
  }
  .filtration-grid {
    grid-template-columns: 1fr;
  }
  .filtration-badge {
    bottom: -16px;
    right: 12px;
  }
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .tslider-track {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (max 600px)
============================================================ */
@media (max-width: 600px) {
  .about,
  .services,
  .filtration,
  .industries,
  .why-us,
  .portfolio,
  .testimonials,
  .faq {
    padding: 60px 0;
  }

  .faq-left {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    column-gap: 14px;
  }
  .faq-left .section-label {
    margin-bottom: 0;
    margin-top: 6px;
    flex-shrink: 0;
  }
  .faq-left .section-title {
    flex: 1;
    min-width: 0;
  }
  .faq-left p,
  .faq-left .btn {
    flex-basis: 100%;
    width: 100%;
  }

  .why-card {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 14px;
  }
  .why-card .why-number {
    font-size: 2.2rem;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .why-card h3 {
    flex: 1;
    min-width: 0;
    margin-bottom: 8px;
  }
  .why-card p {
    width: 100%;
    flex-basis: 100%;
  }

  .stat-badge {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin: 32px auto 0;
    display: table; /* shrinks to content width */
  }

  .hero-content {
    padding-top: 100px;
    padding-bottom: 180px;
  }
  .hero-cta-row {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    text-align: center;
  }

  .hero-infobar {
    flex-direction: column;
    gap: 8px;
    padding: 16px;
  }
  .infobar-divider {
    display: none;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-card-wide {
    grid-column: auto;
  }
  .industries-grid {
    grid-template-columns: 1fr 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
  }
  .spec-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .img-collage {
    height: 260px;
  }
  .about-images .stat-badge {
    font-size: 0.85rem;
  }

  .tslider-btn {
    display: none;
  }
  .testimonial-slider {
    padding: 0;
  }
}

/* ============================================================
   RESPONSIVE — DESKTOP ONLY (min 901px)
   Why card: number beside heading, same as mobile treatment
============================================================ */
@media (min-width: 901px) {
  .why-card {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 14px;
  }
  .why-card .why-number {
    font-size: 2.2rem;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .why-card h3 {
    flex: 1;
    min-width: 0;
    margin-bottom: 8px;
  }
  .why-card p {
    width: 100%;
    flex-basis: 100%;
  }

  .lightbox-prev {
    left: 8px;
  }
  .lightbox-next {
    right: 8px;
  }
}