/* ============================================================
   MASTERLINE ENERGY — Design System & Custom Styles
   Palette:
     Navy:       #0B1C2C  (primary dark / bg)
     Navy-mid:   #112236  (cards / sections)
     Navy-light: #162B40  (elevated surfaces)
     Teal:       #00C2A8  (primary accent)
     Teal-dim:   #009A85  (teal hover)
     Slate:      #64748B  (body text)
     Light:      #F0F4F8  (light backgrounds)
     White:      #FFFFFF
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --navy:        #0B1C2C;
  --navy-mid:    #112236;
  --navy-light:  #162B40;
  --navy-border: rgba(255,255,255,0.07);
  --teal:        #70B540;
  --teal-dim:    #5E9B34;
  --teal-glow:   rgba(112,181,64,0.15);
  --teal-glow-lg:rgba(112,181,64,0.08);
  --orange:      #EB5C2D;
  --slate:       #64748B;
  --slate-light: #94A3B8;
  --light-bg:    #F0F4F8;
  --white:       #FFFFFF;
  --font-display: 'Outfit', sans-serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.18);
  --shadow-glow: 0 0 40px rgba(0,194,168,0.12);
  --transition:  all 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── Base Reset ── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  font-family: var(--font-body);
  background-color: var(--navy);
  color: #CBD5E1;
  line-height: 1.65;
  overflow-x: hidden !important;
  max-width: 100vw !important;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── Typography ── */
.font-display { font-family: var(--font-display); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ── Utility colours ── */
.text-teal    { color: var(--teal); }
.text-navy    { color: var(--navy); }
.bg-navy      { background-color: var(--navy); }
.bg-navy-mid  { background-color: var(--navy-mid); }
.bg-light     { background-color: var(--light-bg); }
.border-teal  { border-color: var(--teal); }

/* ── Buttons ── */
.btn-primary {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dim) 100%);
  color: var(--navy);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,194,168,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,194,168,0.35);
  filter: brightness(1.05);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.25);
  color: var(--white);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(11,28,44,0.3);
  backdrop-filter: blur(4px);
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-glow);
  transform: translateY(-2px);
}

/* ── Section utilities ── */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.section-subtitle {
  color: var(--slate-light);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 52ch;
}

/* ── Header ── */
#site-header {
  background: transparent;
}
#site-header.header-transparent {
  background: transparent;
}
#site-header.header-scrolled {
  background: rgba(11,28,44,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--navy-border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.25);
}

.logo-icon {
  background: rgba(0,194,168,0.12);
  border: 1px solid rgba(0,194,168,0.2);
}

.nav-link {
  color: rgba(255,255,255,0.75);
  transition: var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
  transition: width 0.25s ease;
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after,
.nav-link.nav-active::after { width: 100%; }
.nav-link.nav-active { color: var(--white); }

/* Dropdown */
.dropdown-menu {
  background: rgba(17,34,54,0.97);
  backdrop-filter: blur(20px);
  border: 1px solid var(--navy-border);
  z-index: 100;
}
.dropdown-item { transition: var(--transition); }
.dropdown-item:hover { background: rgba(255,255,255,0.05); }
.dropdown-icon {
  background: rgba(0,194,168,0.08);
  border: 1px solid rgba(0,194,168,0.15);
}

.mobile-nav-link {
  color: rgba(255,255,255,0.75);
  transition: var(--transition);
}
.mobile-nav-link:hover,
.mobile-nav-link.nav-active {
  color: var(--teal);
  background: rgba(0,194,168,0.08);
}

.mobile-menu-inner {
  background: rgba(11,28,44,0.98);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
}

/* ── HERO ── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}

/* Two-column inner layout */
.hero-inner {
  display: flex;
  align-items: center;
  gap: 3rem;
  width: 100%;
  min-height: 100vh;
  padding: 9rem 2.5rem 5rem;
}
@media (min-width: 1280px) { .hero-inner { padding: 9rem 4rem 5rem; } }
@media (max-width: 1023px) { .hero-inner { flex-direction: column; gap: 2.5rem; padding: 8rem 1.5rem 4rem; } }

.hero-left { flex: 1; max-width: 620px; }
@media (max-width: 1023px) { .hero-left { max-width: 100%; } }

.hero-right {
  width: 460px;
  flex-shrink: 0;
  position: relative;
}
@media (min-width: 1280px) { .hero-right { width: 520px; } }
@media (max-width: 1023px) { .hero-right { width: 100%; } }

/* Hero background image layer */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.7) saturate(1.1);
}
/* Gradient overlay */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(0,194,168,0.15) 0%, transparent 70%),
    linear-gradient(135deg, rgba(11,28,44,0.92) 0%, rgba(11,28,44,0.65) 50%, rgba(11,28,44,0.25) 100%);
}

/* Subtle animated grid pattern overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(0,194,168,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,168,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 60% 50%, black 0%, transparent 80%);
  animation: grid-drift 20s linear infinite;
}
@keyframes grid-drift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

/* Glowing orb behind hero content */
.hero-glow {
  position: absolute;
  top: 50%;
  right: 20%;
  transform: translate(50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,194,168,0.08) 0%, transparent 70%);
  z-index: 2;
  pointer-events: none;
}

.hero-content { position: relative; z-index: 3; width: 100%; }

/* ── Hero Product Showcase Swiper ── */
.hero-showcase-swiper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,194,168,0.15);
}
.hero-showcase-slide {
  position: relative;
  height: 540px;
  overflow: hidden;
}
@media (min-width: 1280px) { .hero-showcase-slide { height: 600px; } }
@media (max-width: 1023px) { .hero-showcase-slide { height: 380px; } }
@media (max-width: 640px)  { .hero-showcase-slide { height: 300px; } }

.hero-showcase-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 7s ease;
}
.swiper-slide-active .hero-showcase-slide img { transform: scale(1.08); }

.hero-showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,28,44,0.95) 0%, rgba(11,28,44,0.5) 45%, rgba(11,28,44,0.1) 100%);
}
.hero-showcase-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  z-index: 2;
}
.hero-showcase-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  background: rgba(0,194,168,0.15);
  border: 1px solid rgba(0,194,168,0.35);
  color: var(--teal);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.hero-showcase-name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.hero-showcase-desc {
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  line-height: 1.55;
}
.hero-showcase-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: gap 0.25s ease;
}
.hero-showcase-link:hover { gap: 12px; }

/* Showcase nav controls */
.hero-showcase-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0 0;
}
.hero-showcase-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}
.hero-showcase-dot {
  height: 4px;
  border-radius: 4px;
  background: rgba(255,255,255,0.2);
  transition: all 0.4s ease;
  cursor: pointer;
  width: 24px;
}
.hero-showcase-dot.active {
  background: var(--teal);
  width: 48px;
}
.hero-showcase-navs {
  display: flex;
  gap: 8px;
}
.hero-showcase-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.hero-showcase-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--navy);
}

/* Slide counter badge */
.hero-showcase-counter {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 5;
  background: rgba(11,28,44,0.75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0,194,168,0.2);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  font-family: var(--font-display);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,194,168,0.1);
  border: 1px solid rgba(0,194,168,0.25);
  border-radius: 100px;
  padding: 6px 16px;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}
.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.0;
  letter-spacing: -0.035em;
  margin-bottom: 0.35rem;
  text-shadow: 0 4px 16px rgba(11,28,44,0.8);
}
.hero-title-accent {
  background: linear-gradient(135deg, var(--teal) 0%, #4EECD8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}
.hero-typed-line {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  min-height: 1.25em;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.75rem;
}
/* Typed.js cursor */
.typed-cursor { color: var(--teal); }

.hero-desc {
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 52ch;
  margin-bottom: 2.5rem;
  text-shadow: 0 2px 8px rgba(11,28,44,0.8);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-mouse {
  width: 22px;
  height: 34px;
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 12px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 5px;
}
.scroll-wheel {
  width: 3px;
  height: 7px;
  background: var(--teal);
  border-radius: 3px;
  animation: scroll-anim 2s ease infinite;
}
@keyframes scroll-anim {
  0%   { transform: translateY(0); opacity: 1; }
  80%  { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ── ABOUT SECTION ── */
.about-section { background-color: var(--navy); }
.about-card {
  background: var(--navy-mid);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.about-card:hover::before { opacity: 1; }
.about-card:hover {
  border-color: rgba(0,194,168,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 30px var(--teal-glow);
}
.about-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--teal-glow);
  border: 1px solid rgba(0,194,168,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  color: var(--teal);
}

/* ── PRODUCTS SECTION ── */
.products-section { background: var(--navy-mid); }

.product-card {
  background: var(--navy-light);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: rgba(0,194,168,0.25);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 40px var(--teal-glow);
}
.product-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card-img img { transform: scale(1.06); }
.product-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(11,28,44,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--navy-border);
  border-radius: 100px;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.product-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.product-card-desc {
  color: var(--slate-light);
  font-size: 0.875rem;
  line-height: 1.65;
  flex: 1;
}
.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 1.25rem;
  transition: var(--transition);
}
.product-card-link:hover { gap: 10px; }

/* Swiper custom pagination */
.swiper-pagination-bullet {
  background: rgba(255,255,255,0.2) !important;
  opacity: 1 !important;
  width: 8px !important;
  height: 8px !important;
  transition: var(--transition) !important;
}
.swiper-pagination-bullet-active {
  background: var(--teal) !important;
  width: 24px !important;
  border-radius: 4px !important;
}

/* Swiper nav buttons */
.swiper-nav-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy-light);
  border: 1px solid var(--navy-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  cursor: pointer;
  transition: var(--transition);
}
.swiper-nav-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--navy);
}

/* ── SOLUTIONS SECTION ── */
.solutions-section { background: var(--navy); }

.solution-tab-btn {
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  background: transparent;
  border: 1px solid var(--navy-border);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.solution-tab-btn:hover { color: var(--white); border-color: rgba(255,255,255,0.2); }
.solution-tab-btn.active {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--navy);
}

.solution-panel { display: none; }
.solution-panel.active { display: grid; }

.solution-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--navy-border);
  background: var(--navy-mid);
  transition: var(--transition);
}
.solution-feature-item:hover {
  border-color: rgba(0,194,168,0.2);
  background: var(--navy-light);
}
.solution-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--teal-glow);
  border: 1px solid rgba(0,194,168,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── STATS SECTION ── */
#stats-section {
  background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy) 100%);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
  position: relative;
  overflow: hidden;
}
#stats-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0,194,168,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.stat-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  position: relative;
}
.stat-card + .stat-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--navy-border);
}
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  display: block;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── PROCESS SECTION ── */
.process-section { background: var(--navy-mid); }

.process-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  position: relative;
}
/* Vertical connector line */
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 44px;
  width: 2px;
  height: calc(100% + 0.5rem);
  background: linear-gradient(180deg, var(--teal) 0%, rgba(0,194,168,0.1) 100%);
}
.process-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--teal-glow);
  border: 2px solid var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--teal);
  flex-shrink: 0;
  z-index: 1;
}
.process-content {
  background: var(--navy-light);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  flex: 1;
  transition: var(--transition);
}
.process-content:hover {
  border-color: rgba(0,194,168,0.2);
}

/* ── INDUSTRIES SECTION ── */
.industries-section { background: var(--navy); }

.industry-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 100px;
  background: var(--navy-mid);
  border: 1px solid var(--navy-border);
  color: var(--slate-light);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: default;
}
.industry-pill:hover {
  background: var(--navy-light);
  border-color: rgba(0,194,168,0.25);
  color: var(--teal);
  transform: translateY(-3px);
}
.industry-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
}

/* ── SUSTAINABILITY SECTION ── */
.sustainability-section {
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}
.sustainability-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,194,168,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* ── CTA SECTION ── */
.cta-section {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dim) 60%, #007A6A 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -50px;
  width: 300px;
  height: 300px;
  background: rgba(0,0,0,0.07);
  border-radius: 50%;
}

.btn-cta-dark {
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  border-radius: var(--radius-sm);
  padding: 14px 32px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
.btn-cta-dark:hover {
  background: var(--navy-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
}

/* ── FOOTER ── */
.site-footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--navy-border);
}

.footer-heading {
  color: rgba(255,255,255,0.4);
  font-family: var(--font-body);
  margin-bottom: 1.25rem;
}

.footer-link {
  color: var(--slate-light);
  transition: var(--transition);
}
.footer-link:hover { color: var(--teal); }

.social-link {
  background: var(--navy-light);
  border: 1px solid var(--navy-border);
  color: var(--slate-light);
  transition: var(--transition);
}
.social-link:hover {
  background: var(--teal-glow);
  border-color: rgba(0,194,168,0.3);
  color: var(--teal);
  transform: translateY(-3px);
}

.contact-icon {
  background: rgba(0,194,168,0.08);
  border: 1px solid rgba(0,194,168,0.15);
}

/* ── Dividers ── */
.teal-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), transparent);
  border-radius: 3px;
  margin: 1rem 0 1.5rem;
}

/* ── AOS overrides ── */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: rgba(0,194,168,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--teal); }

/* ── Focus styles (accessibility) ── */
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ══════════════════════════════════════════════
   FLOATING WHATSAPP BUTTON
════════════════════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.75rem 1.25rem 0.75rem 1rem;
  border-radius: 100px;
  box-shadow: 0 8px 32px rgba(37,211,102,0.45), 0 2px 8px rgba(0,0,0,0.25);
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.25s ease;
  white-space: nowrap;
  animation: wa-pop 0.6s 1.5s cubic-bezier(0.34,1.56,0.64,1) both;
}
.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 14px 40px rgba(37,211,102,0.55), 0 4px 12px rgba(0,0,0,0.3);
  color: #fff;
}
.whatsapp-float i {
  font-size: 1.35rem;
  line-height: 1;
}
/* Label hidden on very small screens */
.whatsapp-float-label { display: inline; }
@media (max-width: 480px) {
  .whatsapp-float { padding: 0.85rem; border-radius: 50%; }
  .whatsapp-float-label { display: none; }
}
@keyframes wa-pop {
  from { opacity: 0; transform: scale(0.5) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Pulse ring behind icon */
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 100px;
  border: 2px solid rgba(37,211,102,0.4);
  animation: wa-pulse 2.5s ease-in-out 2s infinite;
  pointer-events: none;
}
@media (max-width: 480px) { .whatsapp-float::before { border-radius: 50%; } }
@keyframes wa-pulse {
  0%,100% { transform: scale(1); opacity: 0.6; }
  50%      { transform: scale(1.12); opacity: 0; }
}

/* ── Mobile Toggle Button ── */
.mobile-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  cursor: pointer;
}
.mobile-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}
@media (min-width: 1024px) {
  .mobile-toggle-btn {
    display: none !important;
  }
}