:root {
  --steel-dark: #0a1628;
  --steel-mid: #1a2d4a;
  --steel-blue: #2563a8;
  --steel-light: #4a9fd4;
  --steel-bright: #7dd3f5;
  --metallic-1: #c8d8e8;
  --metallic-2: #e8f0f8;
  --metallic-3: #a0b8d0;
  --accent-gold: #f0c040;
  --accent-cyan: #00d4ff;
  --white: #f0f8ff;
  --glow: rgba(0, 212, 255, 0.4);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--steel-dark);
  color: var(--white);
  font-family: "Rajdhani", sans-serif;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 12px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}
.nav-logo {
  display: flex;
  align-items: center;
  height: 50px;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 100%;
  width: auto;
  max-width: 150px;
  display: block;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
  transition: filter 0.3s ease;
}
.nav-logo-img:hover {
  filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.6));
}
.nav-logo span {
  color: var(--metallic-2);
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--metallic-1);
  text-decoration: none;
  font-family: "Rajdhani", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  transition: color 0.3s;
  text-transform: uppercase;
}
.nav-links a:hover {
  color: var(--accent-cyan);
}
.nav-cta {
  background: linear-gradient(135deg, var(--steel-blue), var(--steel-light));
  border: none;
  color: white;
  padding: 10px 22px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  letter-spacing: 0.1em;
  transition: all 0.3s;
  white-space: nowrap;
}
.nav-cta:hover {
  box-shadow: 0 0 20px var(--glow);
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent-cyan);
  transition: all 0.3s;
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: rgba(10, 22, 40, 0.98);
  backdrop-filter: blur(20px);
  padding: 24px 32px;
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
  z-index: 999;
  flex-direction: column;
  gap: 20px;
}
.mobile-menu.open {
  display: flex;
}
.mobile-menu a {
  color: var(--metallic-1);
  text-decoration: none;
  font-family: "Rajdhani", sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.08);
}

/* HERO */
#hero {
  height: 100vh;
  min-height: 600px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}
.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.97) 0%,
    rgba(10, 22, 40, 0.7) 50%,
    rgba(10, 22, 40, 0.3) 100%
  );
  z-index: 2;
}
.hero-tank-img {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 55%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  z-index: 2;
  mask-image: linear-gradient(
    to left,
    rgba(0, 0, 0, 1) 30%,
    rgba(0, 0, 0, 0.5) 65%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to left,
    rgba(0, 0, 0, 1) 30%,
    rgba(0, 0, 0, 0.5) 65%,
    transparent 100%
  );
  filter: brightness(0.9) saturate(1.1) contrast(1.05);
  animation: heroTankFloat 6s ease-in-out infinite;
}
@keyframes heroTankFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-12px) scale(1.01);
  }
}
.hero-tank-glow {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  aspect-ratio: 1;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 212, 255, 0.15) 0%,
    transparent 70%
  );
  z-index: 3;
  pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.6;
    transform: translateY(-50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
  }
}
.hero-content {
  position: relative;
  z-index: 10;
  padding: 0 80px;
  max-width: 680px;
}
.hero-tag {
  font-family: "Share Tech Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent-cyan);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(20px);
}
.hero-h1 {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.7rem, 3.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(
    135deg,
    #fff 0%,
    var(--steel-bright) 50%,
    var(--accent-cyan) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--metallic-1);
  font-weight: 400;
  line-height: 1.6;
  margin-bottom: 36px;
  opacity: 0;
  transform: translateY(20px);
}
.hero-btns {
  display: flex;
  gap: 14px;
  opacity: 0;
  transform: translateY(20px);
  flex-wrap: wrap;
}
.btn-primary {
  background: linear-gradient(
    135deg,
    var(--steel-blue) 0%,
    var(--accent-cyan) 100%
  );
  color: white;
  border: none;
  padding: 13px 28px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  letter-spacing: 0.1em;
  transition: all 0.3s;
  text-transform: uppercase;
}
.btn-primary:hover {
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  padding: 13px 28px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  letter-spacing: 0.1em;
  transition: all 0.3s;
  text-transform: uppercase;
}
.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 10;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent-cyan), transparent);
  margin: 0 auto 8px;
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse {
  0%,
  100% {
    opacity: 1;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.4;
    transform: scaleY(0.5);
  }
}
.hero-badges {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-badge {
  padding: 6px 14px;
  border: 1px solid rgba(0, 212, 255, 0.25);
  background: rgba(0, 212, 255, 0.07);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.65rem;
  color: var(--metallic-3);
  letter-spacing: 0.12em;
}

/* SECTION COMMON */
section {
  padding: 100px 80px;
}
.section-tag {
  font-family: "Share Tech Mono", monospace;
  font-size: 0.72rem;
  color: var(--accent-cyan);
  letter-spacing: 0.25em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.section-title {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.6rem, 2.8vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  background: linear-gradient(135deg, #fff, var(--steel-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}
.section-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
  margin-bottom: 44px;
}

/* GALLERY */
#gallery {
  padding: 0;
  background: var(--steel-dark);
  position: relative;
  overflow: hidden;
}
.gallery-header {
  padding: 100px 80px 60px;
  text-align: center;
}
.gallery-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  background: #000;
}
.gallery-panel {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.gallery-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition:
    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    filter 0.5s;
  filter: brightness(0.85) saturate(1.1);
}
.gallery-panel:hover img {
  transform: scale(1.04);
  filter: brightness(1) saturate(1.3);
}
.gallery-panel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(5, 13, 26, 0.85) 0%,
    rgba(5, 13, 26, 0.1) 50%,
    transparent 100%
  );
  transition: opacity 0.4s;
}
.gallery-panel:hover .gallery-panel-overlay {
  opacity: 0.5;
}
.gallery-panel-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 24px 20px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.7rem;
  color: var(--accent-cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.gallery-panel-sub {
  font-family: "Rajdhani", sans-serif;
  font-size: 0.95rem;
  color: var(--metallic-1);
  font-weight: 500;
  letter-spacing: 0.05em;
  display: block;
  margin-top: 4px;
}
.gallery-panel-left {
  grid-column: 1;
  grid-row: 1 / 3;
  height: 680px;
}
.gallery-panel-right-top {
  grid-column: 2;
  grid-row: 1;
  height: 680px;
}
.gallery-stats-strip {
  grid-column: 1 / 3;
  background: linear-gradient(90deg, #050d1a, #0d1e35 50%, #050d1a);
  border-top: 1px solid rgba(0, 212, 255, 0.15);
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
  padding: 36px 80px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 24px;
}
.gstat {
  text-align: center;
  flex: 1;
  border-right: 1px solid rgba(0, 212, 255, 0.08);
  padding: 0 12px;
}
.gstat:last-child {
  border-right: none;
}
.gstat-num {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.2rem, 2vw, 2rem);
  font-weight: 900;
  color: var(--accent-cyan);
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
  line-height: 1;
  margin-bottom: 6px;
}
.gstat-label {
  font-family: "Rajdhani", sans-serif;
  font-size: 0.8rem;
  color: var(--metallic-3);
  letter-spacing: 0.06em;
  font-weight: 500;
}
.gallery-panel::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 16px;
  width: 22px;
  height: 22px;
  border-top: 2px solid var(--accent-cyan);
  border-left: 2px solid var(--accent-cyan);
  opacity: 0;
  z-index: 10;
  transition: opacity 0.4s;
}
.gallery-panel::after {
  content: "";
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 22px;
  height: 22px;
  border-bottom: 2px solid var(--accent-cyan);
  border-right: 2px solid var(--accent-cyan);
  opacity: 0;
  z-index: 10;
  transition: opacity 0.4s;
}
.gallery-panel:hover::before,
.gallery-panel:hover::after {
  opacity: 1;
}

/* PROBLEM */
#problem {
  background: linear-gradient(135deg, #050d1a 0%, #0d1e35 50%, #050d1a 100%);
  position: relative;
  overflow: hidden;
}
#problem::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 0%,
    rgba(37, 99, 168, 0.2) 0%,
    transparent 70%
  );
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 56px;
}
.stat-card {
  text-align: center;
  padding: 40px 24px;
  border: 1px solid rgba(0, 212, 255, 0.15);
  background: rgba(26, 45, 74, 0.4);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  clip-path: polygon(
    0 0,
    calc(100% - 18px) 0,
    100% 18px,
    100% 100%,
    18px 100%,
    0 calc(100% - 18px)
  );
}
.stat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.05) 0%,
    transparent 60%
  );
}
.stat-num {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1;
  color: var(--accent-cyan);
  text-shadow:
    0 0 40px rgba(0, 212, 255, 0.6),
    0 0 80px rgba(0, 212, 255, 0.3);
  margin-bottom: 14px;
}
.stat-label {
  font-size: 0.95rem;
  color: var(--metallic-1);
  font-weight: 500;
  line-height: 1.5;
}
.stat-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
  opacity: 0.7;
}

/* WHY SS */
#why-ss {
  background: var(--steel-dark);
}

/* PLASTIC DISADVANTAGES */
#plastic-disadvantages {
  background: linear-gradient(135deg, #1a0d0d 0%, #2d1515 50%, #1a0d0d 100%);
  position: relative;
  overflow: hidden;
}
#plastic-disadvantages::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 0%,
    rgba(220, 53, 69, 0.15) 0%,
    transparent 70%
  );
}
.plastic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
  position: relative;
  z-index: 2;
}
.plastic-card {
  padding: 36px 28px;
  border: 1px solid rgba(220, 53, 69, 0.3);
  background: rgba(45, 21, 21, 0.5);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
  transition: all 0.3s ease;
}
.plastic-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(220, 53, 69, 0.1) 0%,
    transparent 60%
  );
}
.plastic-card:hover {
  border-color: rgba(220, 53, 69, 0.6);
  background: rgba(45, 21, 21, 0.8);
  transform: translateY(-8px);
  box-shadow: 0 8px 30px rgba(220, 53, 69, 0.25);
}
.plastic-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}
.plastic-card-title {
  font-family: "Orbitron", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #ff6b6b;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.plastic-card-desc {
  font-size: 0.9rem;
  color: var(--metallic-3);
  line-height: 1.6;
  font-weight: 400;
}

#why-ss {
  background: var(--steel-dark);
}
.flip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.flip-card {
  height: 240px;
  perspective: 1000px;
  cursor: pointer;
}
.flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.flip-card:hover .flip-inner {
  transform: rotateY(180deg);
}
.flip-front,
.flip-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.flip-front {
  background: linear-gradient(
    135deg,
    rgba(26, 45, 74, 0.9) 0%,
    rgba(37, 99, 168, 0.3) 100%
  );
  border: 1px solid rgba(0, 212, 255, 0.2);
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
}
.flip-back {
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.15) 0%,
    rgba(37, 99, 168, 0.9) 100%
  );
  border: 1px solid rgba(0, 212, 255, 0.5);
  transform: rotateY(180deg);
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
}
.flip-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}
.flip-title {
  font-family: "Orbitron", sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
}
.flip-desc {
  font-size: 0.88rem;
  color: var(--metallic-1);
  line-height: 1.6;
  font-weight: 400;
}
.flip-front::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.04) 50%,
    transparent 60%
  );
  animation: shimmer 4s infinite;
}
@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

/* COMPARISON */
#comparison {
  background: linear-gradient(180deg, var(--steel-dark) 0%, #0d1e35 100%);
}
.compare-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.compare-table {
  margin-top: 56px;
  border-collapse: collapse;
  width: 100%;
  min-width: 600px;
  border: 1px solid rgba(0, 212, 255, 0.1);
}
.compare-table th {
  padding: 20px 24px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.compare-table th:first-child {
  text-align: left;
  color: var(--metallic-3);
}
.compare-table th:nth-child(2) {
  background: rgba(26, 45, 74, 0.5);
  color: #888;
}
.compare-table th:nth-child(3) {
  background: rgba(26, 45, 74, 0.5);
  color: #aaa;
}
.compare-table th:nth-child(4) {
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.15),
    rgba(37, 99, 168, 0.3)
  );
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.3);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}
.compare-table td {
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.88rem;
  font-weight: 500;
}
.compare-table td:first-child {
  color: var(--metallic-3);
  font-weight: 600;
}
.compare-table td:nth-child(2) {
  background: rgba(20, 35, 55, 0.3);
  color: #888;
}
.compare-table td:nth-child(3) {
  background: rgba(20, 35, 55, 0.3);
  color: #aaa;
}
.compare-table td:nth-child(4) {
  background: rgba(0, 212, 255, 0.05);
  color: var(--accent-cyan);
  font-weight: 600;
}
.check {
  color: #00ff88;
  font-size: 1.1rem;
  opacity: 0;
  transform: scale(0);
  display: inline-block;
}
.cross {
  color: #ff4444;
}
.partial {
  color: var(--accent-gold);
}

/* CLEANING with REAL IMAGE */
#cleaning {
  background: linear-gradient(135deg, #050d1a 0%, #0d1e35 100%);
  position: relative;
  overflow: hidden;
}
.cleaning-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 48px;
}
.cleaning-img-wrap {
  position: relative;
  overflow: hidden;
}
.cleaning-img-wrap img {
  width: 100%;
  height: auto;
  max-height: 550px;
  object-fit: contain;
  object-position: center;
  filter: brightness(0.92) saturate(1.1);
  animation: cleanFloat 5s ease-in-out infinite;
  display: block;
}
@keyframes cleanFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
.cleaning-img-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 212, 255, 0.12) 0%,
    transparent 65%
  );
  pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite;
}
.cleaning-img-ring {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 20px;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 212, 255, 0.3) 0%,
    transparent 70%
  );
  filter: blur(8px);
  animation: ringPulse 3s ease-in-out infinite;
}
@keyframes ringPulse {
  0%,
  100% {
    opacity: 0.4;
    transform: translateX(-50%) scaleX(1);
  }
  50% {
    opacity: 0.9;
    transform: translateX(-50%) scaleX(1.1);
  }
}
.cleaning-img-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 212, 255, 0) 0px,
    rgba(0, 212, 255, 0) 3px,
    rgba(0, 212, 255, 0.018) 3px,
    rgba(0, 212, 255, 0.018) 4px
  );
  pointer-events: none;
}
.cleaning-corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: var(--accent-cyan);
  border-style: solid;
  opacity: 0.7;
}
.c-tl {
  top: 12px;
  left: 12px;
  border-width: 2px 0 0 2px;
}
.c-tr {
  top: 12px;
  right: 12px;
  border-width: 2px 2px 0 0;
}
.c-bl {
  bottom: 12px;
  left: 12px;
  border-width: 0 0 2px 2px;
}
.c-br {
  bottom: 12px;
  right: 12px;
  border-width: 0 2px 2px 0;
}
.cleaning-text h3 {
  font-family: "Orbitron", sans-serif;
  font-size: 1.3rem;
  color: var(--metallic-2);
  margin-bottom: 20px;
  line-height: 1.3;
}
.cleaning-text p {
  color: var(--metallic-3);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}
.cleaning-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 0;
}
.cleaning-feat {
  padding: 20px;
  border: 1px solid rgba(0, 212, 255, 0.1);
  background: rgba(26, 45, 74, 0.3);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}
.cleaning-feat h4 {
  font-family: "Orbitron", sans-serif;
  font-size: 0.72rem;
  color: var(--accent-cyan);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.cleaning-feat p {
  font-size: 0.85rem;
  color: var(--metallic-1);
  line-height: 1.5;
}

/* SIZES with REAL IMAGE */
#sizes {
  background: var(--steel-dark);
}
.size-selector {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  margin-top: 28px;
}
.size-btn {
  padding: 11px 20px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  background: transparent;
  color: var(--metallic-1);
  font-family: "Orbitron", sans-serif;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.1em;
  clip-path: polygon(7px 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
}
.size-btn:hover,
.size-btn.active {
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.15),
    rgba(37, 99, 168, 0.3)
  );
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}
.size-display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.size-img-wrap {
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}
.size-img-wrap img {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  filter: brightness(0.9) saturate(1.1);
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  animation: sizeFloat 5s ease-in-out infinite;
}
@keyframes sizeFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-8px) rotate(0.5deg);
  }
  66% {
    transform: translateY(-4px) rotate(-0.3deg);
  }
}
.size-img-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 212, 255, 0.12) 0%,
    transparent 65%
  );
  pointer-events: none;
}
.size-img-halo {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 16px;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 212, 255, 0.35) 0%,
    transparent 70%
  );
  filter: blur(6px);
  animation: halo 3s ease-in-out infinite;
}
@keyframes halo {
  0%,
  100% {
    opacity: 0.5;
    transform: translateX(-50%) scaleX(1);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) scaleX(1.2);
  }
}
.size-img-label {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: "Share Tech Mono", monospace;
  font-size: 0.65rem;
  color: var(--accent-cyan);
  letter-spacing: 0.15em;
  background: rgba(10, 22, 40, 0.75);
  padding: 4px 10px;
  border: 1px solid rgba(0, 212, 255, 0.2);
}
.size-specs {
  padding: 24px 0;
}
.size-spec-title {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--accent-cyan);
  margin-bottom: 6px;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
  transition: all 0.4s;
}
.size-spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}
.spec-item label {
  font-family: "Share Tech Mono", monospace;
  font-size: 0.65rem;
  color: var(--metallic-3);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 3px;
}
.spec-item span {
  font-family: "Orbitron", sans-serif;
  font-size: 1.1rem;
  color: var(--white);
  font-weight: 600;
}

/* APPLICATIONS */
#applications {
  background: linear-gradient(135deg, #050d1a 0%, #0d1e35 100%);
}
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 56px;
}
.app-card {
  padding: 36px 20px;
  text-align: center;
  border: 1px solid rgba(0, 212, 255, 0.1);
  background: rgba(26, 45, 74, 0.3);
  position: relative;
  overflow: hidden;
  transition: all 0.4s;
  cursor: default;
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
  opacity: 0;
  transform: translateY(40px);
}
.app-card:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.15);
  transform: translateY(-4px) !important;
}
.app-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
  display: block;
}
.app-name {
  font-family: "Orbitron", sans-serif;
  font-size: 0.72rem;
  color: var(--metallic-1);
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* CONTACT */
#contact {
  background: linear-gradient(180deg, #0d1e35 0%, #050d1a 100%);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.contact-info h3 {
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}
.contact-detail {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 14px;
  font-size: 0.92rem;
  color: var(--metallic-1);
}
.contact-icon {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-top: 2px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(26, 45, 74, 0.5);
  border: 1px solid rgba(0, 212, 255, 0.15);
  color: var(--white);
  padding: 13px 18px;
  font-family: "Rajdhani", sans-serif;
  font-size: 0.95rem;
  margin-bottom: 14px;
  outline: none;
  transition: border 0.3s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.1);
}
.contact-form textarea {
  height: 110px;
  resize: none;
}

footer {
  background: #030810;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  padding: 28px 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-logo {
  font-family: "Orbitron", sans-serif;
  font-size: 0.95rem;
  color: var(--accent-cyan);
}
.footer-copy {
  font-family: "Share Tech Mono", monospace;
  font-size: 0.7rem;
  color: var(--metallic-3);
  letter-spacing: 0.1em;
}
.footer-site {
  font-family: "Share Tech Mono", monospace;
  font-size: 0.7rem;
  color: var(--steel-light);
  letter-spacing: 0.1em;
}
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.025) 2px,
    rgba(0, 0, 0, 0.025) 4px
  );
  opacity: 0.5;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  section {
    padding: 80px 48px;
  }
  .hero-content {
    padding: 0 48px;
    max-width: 580px;
  }
  .flip-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .plastic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .app-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .cleaning-layout {
    gap: 40px;
  }
}
@media (max-width: 1024px) {
  nav {
    padding: 12px 32px;
  }
  .nav-logo {
    height: 45px;
  }
  .nav-logo-img {
    max-width: 130px;
  }
}
@media (max-width: 768px) {
  nav {
    padding: 12px 16px;
    gap: 12px;
  }
  .nav-logo {
    height: 42px;
  }
  .nav-logo-img {
    max-width: 110px;
  }
  .nav-links {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .nav-hamburger {
    display: flex !important;
  }
  section {
    padding: 70px 24px;
  }
  .gallery-header {
    padding: 70px 24px 40px;
  }
  #hero {
    height: 100svh;
    min-height: 580px;
  }
  .hero-content {
    padding: 0 24px;
    max-width: 100%;
  }
  .hero-h1 {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
  }
  .hero-tank-img {
    width: 100%;
    height: 50%;
    top: auto;
    bottom: 0;
    mask-image: linear-gradient(
      to top,
      rgba(0, 0, 0, 0.9) 0%,
      rgba(0, 0, 0, 0.6) 50%,
      transparent 100%
    );
    -webkit-mask-image: linear-gradient(
      to top,
      rgba(0, 0, 0, 0.9) 0%,
      rgba(0, 0, 0, 0.6) 50%,
      transparent 100%
    );
  }
  .hero-bg-gradient {
    background: linear-gradient(
      to bottom,
      rgba(10, 22, 40, 1) 0%,
      rgba(10, 22, 40, 0.85) 45%,
      rgba(10, 22, 40, 0.5) 100%
    );
  }
  .hero-tank-glow {
    display: none;
  }
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .plastic-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .flip-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .flip-card {
    height: 200px;
  }
  .cleaning-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cleaning-features {
    grid-template-columns: 1fr 1fr;
  }
  .size-display {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .app-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .gallery-mosaic {
    grid-template-columns: 1fr;
  }
  .gallery-panel-left {
    grid-column: 1;
    grid-row: auto;
    height: 400px;
  }
  .gallery-panel-right-top {
    grid-column: 1;
    grid-row: auto;
    height: 400px;
  }
  .gallery-stats-strip {
    grid-column: 1;
    flex-wrap: wrap;
    padding: 28px 20px;
    gap: 16px;
  }
  .gstat {
    border-right: none;
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
    padding: 10px 0;
  }
  .gstat:last-child {
    border-bottom: none;
  }
  footer {
    padding: 24px 20px;
    flex-direction: column;
    text-align: center;
  }
  .compare-table td,
  .compare-table th {
    padding: 12px 14px;
    font-size: 0.78rem;
  }
}
@media (max-width: 600px) {
  nav {
    padding: 10px 12px;
  }
  .nav-logo {
    height: 40px;
  }
  .nav-logo-img {
    max-width: 90px;
  }
  .nav-hamburger {
    display: flex !important;
  }
}
@media (max-width: 480px) {
  .hero-btns {
    flex-direction: column;
    gap: 10px;
  }
  .btn-primary,
  .btn-outline {
    width: 100%;
    text-align: center;
  }
  .flip-grid {
    grid-template-columns: 1fr;
  }
  .cleaning-features {
    grid-template-columns: 1fr;
  }
  .app-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .size-selector {
    gap: 8px;
  }
  .size-btn {
    padding: 9px 14px;
    font-size: 0.65rem;
  }
  .spec-item span {
    font-size: 0.95rem;
  }
  .size-spec-title {
    font-size: 1.4rem;
  }
  .hero-badges {
    display: none;
  }
}

/* ═══════════════════════════════════════════════════════════════
   SUCCESS MODAL & FLOATING BUTTONS
═══════════════════════════════════════════════════════════════ */

/* SUCCESS MODAL */
.success-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(5, 13, 26, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.45s ease,
    visibility 0.45s ease;
}

.success-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.success-modal-box {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: linear-gradient(160deg, #0d1e35 0%, #0a1628 60%, #081422 100%);
  border: 1px solid rgba(37, 211, 102, 0.25);
  box-shadow:
    0 0 0 1px rgba(37, 211, 102, 0.07),
    0 28px 70px rgba(0, 0, 0, 0.75),
    0 0 50px rgba(37, 211, 102, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  clip-path: polygon(
    0 0,
    calc(100% - 22px) 0,
    100% 22px,
    100% 100%,
    22px 100%,
    0 calc(100% - 22px)
  );
  transform: scale(0.88) translateY(28px);
  transition: transform 0.48s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.success-modal-overlay.active .success-modal-box {
  transform: scale(1) translateY(0);
}

.success-accent-bar {
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent,
    #25d366,
    #20ba5a,
    transparent
  );
  background-size: 200% 100%;
  animation: successBarAnim 2.5s linear infinite;
}

@keyframes successBarAnim {
  0% {
    background-position: 200% center;
  }
  100% {
    background-position: -200% center;
  }
}

.success-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 30px;
  height: 30px;
  background: rgba(37, 211, 102, 0.07);
  border: 1px solid rgba(37, 211, 102, 0.18);
  color: #a0b8d0;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.22s;
  z-index: 10;
  border-radius: 0;
  padding: 0;
}

.success-modal-close:hover {
  background: rgba(37, 211, 102, 0.18);
  color: #25d366;
  border-color: #25d366;
  transform: rotate(90deg);
}

.success-modal-inner {
  padding: 28px 32px 32px;
  text-align: center;
}

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

.success-icon svg {
  width: 100%;
  height: 100%;
  animation: successIconScale 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes successIconScale {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes successCheckmark {
  0% {
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
    opacity: 0;
  }
  100% {
    stroke-dasharray: 50;
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

.success-modal-title {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.2rem, 4vw, 1.6rem);
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.success-modal-text {
  font-size: 0.95rem;
  color: #a0b8d0;
  line-height: 1.6;
  margin-bottom: 24px;
}

.success-modal-buttons {
  display: flex;
  gap: 12px;
  flex-direction: column;
}

.success-btn {
  padding: 14px 24px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  cursor: pointer;
  border: none;
  clip-path: polygon(9px 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
  transition: all 0.28s;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.success-btn::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -60%;
  width: 38%;
  height: 200%;
  background: rgba(255, 255, 255, 0.14);
  transform: skewX(-18deg);
  transition: left 0.45s;
}

.success-btn:hover::before {
  left: 120%;
}

.success-btn-primary {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: white;
}

.success-btn-primary:hover {
  box-shadow: 0 0 28px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

.success-btn-secondary {
  background: rgba(26, 45, 74, 0.5);
  color: var(--metallic-1);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.success-btn-secondary:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.success-modal-footer {
  text-align: center;
}

/* ═══════════════════════════════════════════════════════════════
   FLOATING ACTION BUTTONS
═══════════════════════════════════════════════════════════════ */

.floating-buttons-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: floatingButtonsAppear 0.6s ease-out;
}

@keyframes floatingButtonsAppear {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.floating-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  font-size: 0;
  position: relative;
  overflow: hidden;
  font-family: "Rajdhani", sans-serif;
}

.floating-btn-label {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  white-space: nowrap;
  opacity: 0;
  transition: all 0.3s ease;
}

.floating-btn:hover .floating-btn-label {
  bottom: -15px;
  opacity: 1;
}

/* WhatsApp Button */
.floating-btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%);
  animation: whatsappPulse 2s infinite;
}

.floating-btn-whatsapp:hover {
  transform: scale(1.15);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
  animation: none;
}

.floating-btn-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: white;
}

@keyframes whatsappPulse {
  0%,
  100% {
    box-shadow:
      0 4px 20px rgba(37, 211, 102, 0.4),
      0 0 0 0 rgba(37, 211, 102, 0.3);
  }
  50% {
    box-shadow:
      0 4px 20px rgba(37, 211, 102, 0.4),
      0 0 0 10px rgba(37, 211, 102, 0);
  }
}

/* Call Button */
.floating-btn-call {
  background: linear-gradient(135deg, #2563a8 0%, #4a9fd4 100%);
}

.floating-btn-call:hover {
  transform: scale(1.15);
  box-shadow: 0 8px 30px rgba(74, 159, 212, 0.6);
}

.floating-btn-call svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* Form Error Styling */
.form-error {
  border-color: #ff4444 !important;
  background: rgba(255, 68, 68, 0.05) !important;
}

.form-error::placeholder {
  color: #ff6666;
}

.contact-form input,
.contact-form textarea {
  transition: all 0.3s ease;
}

.contact-form input.form-error,
.contact-form textarea.form-error {
  animation: formShake 0.4s ease;
}

@keyframes formShake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-10px);
  }
  75% {
    transform: translateX(10px);
  }
}

/* Responsive Floating Buttons */
@media (max-width: 768px) {
  .floating-buttons-container {
    bottom: 20px;
    right: 20px;
    gap: 10px;
  }

  .floating-btn {
    width: 55px;
    height: 55px;
  }

  .floating-btn svg {
    width: 28px !important;
    height: 28px !important;
  }

  .floating-btn-label {
    display: none;
  }
}

@media (max-width: 480px) {
  .floating-buttons-container {
    bottom: 16px;
    right: 16px;
  }

  .floating-btn {
    width: 50px;
    height: 50px;
  }

  .floating-btn svg {
    width: 24px !important;
    height: 24px !important;
  }

  .success-modal-box {
    margin: 0 16px;
  }

  .success-modal-buttons {
    flex-direction: column;
  }

  .success-btn {
    width: 100%;
  }
}