/* =============================================
   AQUAGRAND - Premium Water Purifier CSS v2
   Domain: watercareaqua.in
   ============================================= */

@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700;800&family=DM+Sans:wght@300;400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300&display=swap");

:root {
  --primary: #0a4f7a;
  --primary-light: #1a7bb8;
  --primary-dark: #062e48;
  --accent: #00b4d8;
  --accent-2: #48cae4;
  --accent-gold: #c9a84c;
  --water-1: #caf0f8;
  --water-2: #90e0ef;
  --water-3: #00b4d8;
  --water-4: #0077b6;
  --water-5: #03045e;
  --white: #ffffff;
  --off-white: #f8fcff;
  --text-dark: #0d1b2a;
  --text-mid: #2c4a6e;
  --text-light: #6a94b8;
  --glass: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
  --shadow-sm: 0 4px 20px rgba(0, 100, 160, 0.1);
  --shadow-md: 0 8px 40px rgba(0, 100, 160, 0.18);
  --shadow-lg: 0 20px 60px rgba(0, 100, 160, 0.22);
  --radius: 18px;
  --radius-sm: 10px;
  --transition: all 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: "DM Sans", sans-serif;
  background: var(--off-white);
  color: var(--text-dark);
  overflow-x: hidden;
  line-height: 1.6;
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--water-1);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 10px;
}

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}
/* =========================
   LOGO STYLING
========================= */

.nav-logo {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-decoration: none;
}

.nav-logo img {
  display: block;
  width: auto;
  height: 75px;
  max-width: 163px;
  object-fit: contain;
  transition: all 0.3s ease;
}

/* Navbar alignment */
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Large Desktop */
@media (min-width: 1200px) {
  .nav-logo img {
    height: 85px;
    max-width: 163px;
  }
}

/* Laptop */
@media (max-width: 1199px) {
  .nav-logo img {
    height: 70px;
    max-width: 280px;
  }
}

/* Tablet */
@media (max-width: 991px) {
  .nav-logo img {
    height: 60px;
    max-width: 240px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav-logo img {
    height: 50px;
    max-width: 200px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .nav-logo img {
    height: 45px;
    max-width: 170px;
  }
}
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--water-1), var(--water-2));
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 14px;
}
.section-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.18;
}
.section-title span {
  color: var(--accent);
}
.section-sub {
  color: var(--text-mid);
  font-size: 1.05rem;
  font-weight: 300;
  max-width: 560px;
  margin-top: 10px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  color: var(--white);
  font-family: "DM Sans", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 6px 28px rgba(0, 180, 216, 0.38);
  transition: var(--transition);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0, 180, 216, 0.48);
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #00000063;
  color: #85d0ff;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 13px 30px;
  border-radius: 50px;
  border: 2px solid var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
}
.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 13px 30px;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: var(--transition);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: white;
  transform: translateY(-2px);
}

/* FADE IN */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* TOPBAR */
.topbar {
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.8rem;
  padding: 8px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.2s;
}
.topbar a:hover {
  color: var(--accent-2);
}
.topbar-links {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}
.topbar-links i {
  margin-right: 5px;
  color: var(--accent-2);
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 80, 140, 0.1);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(0, 80, 140, 0.18);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-icon {
  width: 48px;
  height: 48px;
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-name {
  font-family: "Playfair Display", serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.1;
}
.logo-tagline {
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  font-weight: 500;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  color: var(--text-mid);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  /* background: var(--water-1); */
}
.nav-cta {
  padding: 10px 22px !important;
  font-size: 0.88rem !important;
  margin-left: 8px;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  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 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(
    135deg,
    #062e48 0%,
    #0a4f7a 40%,
    #1a7bb8 70%,
    #00b4d8 100%
  );
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-img-overlay {
  position: absolute;
  inset: 0;
  background: url("https://images.unsplash.com/photo-1559825481-12a05cc00344?w=1600&q=60&auto=format&fit=crop")
    center/cover;
  opacity: 0.08;
}
.water-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  animation: ringExpand 6s linear infinite;
}
.water-ring.r1 {
  width: 300px;
  height: 300px;
  top: 10%;
  left: -5%;
  animation-delay: 0s;
}
.water-ring.r2 {
  width: 500px;
  height: 500px;
  top: 30%;
  right: -10%;
  animation-delay: 2s;
}
.water-ring.r3 {
  width: 700px;
  height: 700px;
  bottom: -20%;
  left: 20%;
  animation-delay: 4s;
}
@keyframes ringExpand {
  0% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.2);
    opacity: 0;
  }
}

.bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  animation: floatUp 8s ease-in infinite;
}
.bubble:nth-child(4) {
  width: 20px;
  height: 20px;
  left: 10%;
  animation-duration: 7s;
  animation-delay: 0s;
}
.bubble:nth-child(5) {
  width: 14px;
  height: 14px;
  left: 25%;
  animation-duration: 9s;
  animation-delay: 2s;
}
.bubble:nth-child(6) {
  width: 26px;
  height: 26px;
  left: 55%;
  animation-duration: 6s;
  animation-delay: 1s;
}
.bubble:nth-child(7) {
  width: 18px;
  height: 18px;
  left: 75%;
  animation-duration: 8s;
  animation-delay: 3s;
}
.bubble:nth-child(8) {
  width: 10px;
  height: 10px;
  left: 88%;
  animation-duration: 7s;
  animation-delay: 0.5s;
}
@keyframes floatUp {
  0% {
    bottom: -40px;
    opacity: 0;
  }
  20% {
    opacity: 0.6;
  }
  80% {
    opacity: 0.3;
  }
  100% {
    bottom: 110%;
    opacity: 0;
  }
}

.wave-svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  color: var(--water-2);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 8px 20px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  margin-bottom: 24px;
}
.hero-badge i {
  color: var(--accent-gold);
}
.hero-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(3rem, 6vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 20px;
}
.hero-title .line2 {
  color: var(--accent-2);
  font-style: italic;
}
.hero-desc {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.stat-item {
  text-align: left;
}
.stat-num {
  font-family: fangsong;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--water-2);
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* HERO VISUAL - purifier */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-purifier-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  animation: heroFloat 4s ease-in-out infinite;
}
@keyframes heroFloat {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-14px);
  }
}
.purifier-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(0, 180, 216, 0.3) 0%,
    rgba(0, 180, 216, 0) 70%
  );
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}
.hero-purifier-svg {
  width: 260px;
  height: auto;
  filter: drop-shadow(0 30px 50px rgba(0, 30, 80, 0.4));
}

/* Float badges */
.float-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 30px;
  box-shadow: 0 8px 24px rgba(0, 80, 140, 0.2);
  display: flex;
  align-items: center;
  gap: 6px;
  animation: floatBadge 3s ease-in-out infinite;
  white-space: nowrap;
}
.float-badge i {
  color: var(--accent);
}
.fb1 {
  top: 8%;
  left: -8%;
  animation-delay: 0s;
}
.fb2 {
  top: 28%;
  right: -12%;
  animation-delay: 0.5s;
}
.fb3 {
  bottom: 32%;
  left: -10%;
  animation-delay: 1s;
}
.fb4 {
  bottom: 14%;
  right: -8%;
  animation-delay: 1.5s;
}
@keyframes floatBadge {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* TRUST BAR */
.trust-bar {
  background: var(--white);
  padding: 20px 0;
  box-shadow: var(--shadow-sm);
}
.trust-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.trust-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--water-1), var(--water-2));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
}
.trust-text {
  display: flex;
  flex-direction: column;
}
.trust-text strong {
  font-size: 0.88rem;
  color: var(--primary-dark);
  font-weight: 600;
}
.trust-text span {
  font-size: 0.75rem;
  color: var(--text-light);
}
.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--water-1);
}

/* ABOUT */
section#about {
  padding: 100px 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.about-img-stack {
  position: relative;
}
.about-main-img {
  width: 100%;
  height: 400px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.about-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.about-main-img:hover img {
  transform: scale(1.04);
}
.about-img-secondary {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 140px;
  height: 140px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 80, 140, 0.22);
  border: 4px solid white;
}
.about-img-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-accent-card {
  position: absolute;
  top: 24px;
  left: -20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  border-radius: 14px;
  padding: 18px 24px;
  box-shadow: 0 10px 30px rgba(0, 100, 160, 0.3);
  text-align: center;
}
.about-accent-card .num {
  font-family: "Playfair Display", serif;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}
.about-accent-card .label {
  font-size: 0.72rem;
  opacity: 0.85;
  margin-top: 4px;
  max-width: 90px;
  line-height: 1.3;
}
.about-content {
  display: flex;
  flex-direction: column;
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.about-feature > i {
  color: var(--accent);
  font-size: 1.2rem;
  margin-top: 2px;
  flex-shrink: 0;
}
.about-feature strong {
  font-size: 0.9rem;
  color: var(--primary-dark);
  display: block;
}
.about-feature span {
  font-size: 0.8rem;
  color: var(--text-light);
}
section#about p {
  color: var(--text-mid);
  margin-bottom: 16px;
  line-height: 1.75;
}

/* BRANDS BAR */
.brands-bar {
  background: var(--off-white);
  padding: 28px 0;
  border-top: 1px solid var(--water-1);
  border-bottom: 1px solid var(--water-1);
}
.brands-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.brands-label {
  color: var(--text-light);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}
.brands-row {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
}
.brand-chip {
  background: white;
  padding: 10px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.brand-chip:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.brand-chip svg {
  height: 40px;
  width: auto;
  display: block;
}

/* PRODUCTS */
section#ro-purifiers {
  padding: 100px 0;
  background: var(--off-white);
}
.section-header.center {
  text-align: center;
}
.section-header.center .section-sub {
  margin: 10px auto 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(0, 100, 160, 0.06);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.product-card.featured {
  border: 2px solid var(--accent-gold);
  box-shadow: 0 12px 50px rgba(201, 168, 76, 0.18);
}

.product-badge-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 5px 14px;
  border-radius: 20px;
}
.product-card.featured .product-badge-tag {
  background: linear-gradient(135deg, var(--accent-gold), #f0cc6c);
  color: #2a1a00;
}

.product-img-wrap {
  position: relative;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.purifier-img-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #e3f4fb 0%, #f0faff 60%, #d0eaf8 100%);
}
.purifier-img-bg.featured-bg {
  background: linear-gradient(160deg, #fdf8ed 0%, #fff9f0 60%, #f5edd8 100%);
}
.purifier-img-bg.kent-bg {
  background: linear-gradient(160deg, #fdf0f0 0%, #fff5f5 60%, #f8e0e0 100%);
}
.purifier-img-bg.pureit-bg {
  background: linear-gradient(160deg, #e8f4ff 0%, #f0f8ff 60%, #d8ecfa 100%);
}
.purifier-img-bg.smart-bg {
  background: linear-gradient(160deg, #e0eef8 0%, #eef5fc 60%, #d0e6f5 100%);
}
.purifier-img-bg.wall-bg {
  background: linear-gradient(160deg, #fdf0f0 0%, #fff5f5 60%, #f5dede 100%);
}

.product-purifier-svg {
  width: 130px;
  height: auto;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 12px 24px rgba(0, 60, 120, 0.18));
  transition: transform 0.4s ease;
}
.product-card:hover .product-purifier-svg {
  transform: scale(1.05) translateY(-4px);
}
.product-img-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(10, 79, 122, 0.08));
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-light);
  padding: 16px 8px 8px;
  font-weight: 500;
}

.product-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-model {
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}
.product-name {
  font-family: "Playfair Display", serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 14px;
}
.product-features {
  list-style: none;
  margin-bottom: 18px;
  flex: 1;
}
.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--text-mid);
  margin-bottom: 7px;
}
.product-features li i {
  color: var(--accent);
  font-size: 0.75rem;
  margin-top: 3px;
  flex-shrink: 0;
}
.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--water-1);
}
.product-price {
  display: flex;
  flex-direction: column;
}
.product-price small {
  font-size: 0.7rem;
  color: var(--text-light);
}
.product-price span {
  /* font-family: "Playfair Display", serif; */
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}
.btn-product {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.btn-product:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 180, 216, 0.35);
}

/* WATER QUALITY BANNER */
.water-quality-banner {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: center;
}
.wqb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.wqb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 46, 72, 0.88) 0%,
    rgba(0, 100, 160, 0.8) 100%
  );
  z-index: 1;
}
.wqb-content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.wqb-content h2 {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: white;
  font-weight: 700;
  margin-bottom: 14px;
}
.wqb-content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

/* COMMERCIAL */
.commercial-section {
  padding: 100px 0;
  background: linear-gradient(
    135deg,
    var(--primary-dark) 0%,
    #062e48 40%,
    #0a4f7a 100%
  );
  position: relative;
  overflow: hidden;
}
.commercial-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("https://images.unsplash.com/photo-1504328345606-18bbc8c9d7d1?w=1600&q=40&auto=format&fit=crop")
    center/cover;
  opacity: 0.06;
}
.commercial-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.commercial-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.commercial-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent);
}
.commercial-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent-2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}
.comm-visual {
  margin-bottom: 16px;
}
.comm-visual svg {
  width: 80px;
  height: 100px;
  margin: 0 auto;
}
.comm-icon {
  font-size: 2rem;
  color: var(--accent-2);
  margin-bottom: 14px;
}
.commercial-card h3 {
  font-family: "Playfair Display", serif;
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 10px;
  font-weight: 600;
}
.commercial-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 16px;
}
.comm-cap {
  display: inline-block;
  background: rgba(0, 180, 216, 0.2);
  border: 1px solid var(--accent);
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}
.commercial-price {
  /* font-family: "Playfair Display", serif; */
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}
.commercial-price small {
  font-size: 0.75rem;
  color: var(--accent-2);
  font-family: "DM Sans", sans-serif;
  font-weight: 400;
}

/* WHY US */
.why-us {
  padding: 100px 0;
  background: var(--white);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
}
.why-card {
  padding: 36px 28px;
  border-radius: var(--radius);
  background: var(--off-white);
  border: 1px solid var(--water-1);
  transition: var(--transition);
  text-align: center;
}
.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: var(--white);
  border-color: var(--accent-2);
}
.why-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--water-1), var(--water-2));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin: 0 auto 18px;
  transition: var(--transition);
}
.why-card:hover .why-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  transform: rotate(-6deg) scale(1.08);
}
.why-card h3 {
  font-family: "Playfair Display", serif;
  font-size: 1.1rem;
  color: var(--primary-dark);
  margin-bottom: 10px;
}
.why-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.65;
}

/* TESTIMONIALS */
.testimonials {
  padding: 100px 0;
  background: var(--off-white);
}
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
}
.testi-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--water-1);
  transition: var(--transition);
  position: relative;
}
.testi-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 5rem;
  font-family: "Playfair Display", serif;
  color: var(--water-1);
  line-height: 1;
}
.testi-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.testi-stars {
  color: #f5b400;
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.testi-text {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}
.testi-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testi-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.testi-info {
  display: flex;
  flex-direction: column;
}
.testi-info strong {
  font-size: 0.9rem;
  color: var(--primary-dark);
}
.testi-info span {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* CTA STRIP */
.cta-strip {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: 64px 0;
  text-align: center;
}
.cta-strip h2 {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--white);
  margin-bottom: 12px;
}
.cta-strip p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  margin-bottom: 32px;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* CONTACT */
section#contact {
  padding: 100px 0;
  background: var(--white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 50px;
}
.contact-info h3,
.contact-form h3 {
  font-family: "Playfair Display", serif;
  font-size: 1.5rem;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.contact-info p {
  color: var(--text-mid);
  margin-bottom: 20px;
}
.contact-store-img {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 24px;
}
.contact-store-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.contact-store-img:hover img {
  transform: scale(1.04);
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.contact-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--water-1), var(--water-2));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.95rem;
  flex-shrink: 0;
}
.contact-item > div:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.contact-item strong {
  font-size: 0.85rem;
  color: var(--primary-dark);
  font-weight: 600;
}
.contact-item span,
.contact-item a {
  font-size: 0.85rem;
  color: var(--text-mid);
  text-decoration: none;
}
.contact-item a:hover {
  color: var(--accent);
}

.contact-form {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--water-1);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-mid);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--white);
  border: 1.5px solid var(--water-1);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
  color: var(--text-dark);
  outline: none;
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.12);
}
.form-group textarea {
  min-height: 110px;
  resize: vertical;
}
.form-submit {
  width: 100%;
  justify-content: center;
}
.form-success {
  display: none;
  background: linear-gradient(135deg, #d4edda, #c3e6cb);
  color: #155724;
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  text-align: center;
  font-weight: 600;
  margin-top: 16px;
}

/* MAP */
.map-section {
  padding: 0;
}
.map-wrap {
  height: 380px;
  overflow: hidden;
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* FOOTER */
footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
}
.footer-top {
  padding: 60px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}
.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin: 16px 0 24px;
}
.social-links {
  display: flex;
  gap: 10px;
}
.social-link {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}
.social-link:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-3px);
}
.footer-col h4 {
  font-family: "Playfair Display", serif;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--accent-2);
}
.footer-cert {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}
.cert-item i {
  color: var(--accent-gold);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a {
  color: var(--accent-2);
  text-decoration: none;
}

/* WHATSAPP FLOAT */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: var(--transition);
  animation: waPulse 2.5s ease-in-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
}
@keyframes waPulse {
  0%,
  100% {
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow:
      0 6px 24px rgba(37, 211, 102, 0.4),
      0 0 0 10px rgba(37, 211, 102, 0.1);
  }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .commercial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}
@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-visual {
    display: none;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-img-stack {
    display: none;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testi-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-btns {
    justify-content: center;
  }
  .hero-badge {
    margin: 0 auto 24px;
  }
}
@media (max-width: 768px) {
  .navbar .container {
    height: 66px;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    z-index: 999;
  }
  .nav-links.open {
    display: flex;
  }
  .hamburger {
    display: flex;
    position: relative;
    z-index: 1000;
  }
  .nav-cta {
    display: none;
  }
  .products-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
  }
  .commercial-grid {
    grid-template-columns: 1fr 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .testi-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .trust-bar .container {
    justify-content: center;
  }
  .trust-divider {
    display: none;
  }
  .topbar .container {
    justify-content: center;
  }
  .brands-bar .container {
    flex-direction: column;
    gap: 16px;
  }
  .float-badge {
    display: none;
  }
  section#about,
  section#ro-purifiers,
  section.why-us,
  section.testimonials,
  section#contact {
    padding: 70px 0;
  }
}
@media (max-width: 480px) {
  .commercial-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    gap: 20px;
  }
}