/* ==========================================================================
   AlkaBoost — Pure Alkaline Water & RO Purifier Machines
   Theme: Blue & White Spring Purity
   Typography: 'Fraunces' (Serif) & 'Inter' (Sans-Serif)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand Blues */
  --color-primary: #0B4F9C;
  /* Royal Deep Sapphire Blue */
  --color-primary-dark: #073B75;
  /* Dark Navy Blue */
  --color-primary-light: #1D6FD8;
  /* Bright Blue */
  --color-accent: #0284C7;
  /* Vibrant Aqua / Cerulean */
  --color-accent-light: #38BDF8;
  /* Sky Blue Glint */
  --color-accent-glow: rgba(2, 132, 199, 0.28);

  /* Dark Canvas Colors (Hero, Footer) */
  --color-hero-bg: #061A3A;
  /* Deep Oceanic Midnight Navy */
  --color-hero-bg-deep: #031024;
  /* Deep Abyssal Navy */
  --color-footer-bg: #051630;
  /* Footer Deep Navy */
  --color-footer-border: #1E3A8A;

  /* Light Canvas Colors */
  --color-bg-white: #FFFFFF;
  --color-bg-ice: #F0F7FF;
  /* Ice Blue / Glacier Tint */
  --color-bg-soft: #F8FAFC;
  /* Clean Neutral Slate Light */
  --color-card-border: #E2E8F0;
  --color-card-border-hover: #93C5FD;

  /* Text & Inks */
  --color-text-title: #0F172A;
  /* Slate 900 */
  --color-text-body: #334155;
  /* Slate 700 */
  --color-text-muted: #64748B;
  /* Slate 500 */
  --color-text-light: #E2E8F0;
  /* On Dark */
  --color-text-white: #FFFFFF;

  /* Accents & States */
  --color-amber: #F59E0B;
  /* Warm Amber from pH gauge */
  --color-success: #10B981;
  /* Emerald 500 */
  --color-error: #EF4444;
  /* Rose 500 */
  --color-whatsapp: #25D366;
  /* Official WhatsApp Green */
  --color-whatsapp-dark: #1EBE5D;

  /* Typography */
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout & Elevations */
  --header-height: 80px;
  --topbar-height: 40px;
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(11, 79, 156, 0.06);
  --shadow-sm: 0 4px 12px rgba(11, 79, 156, 0.08);
  --shadow-md: 0 10px 30px rgba(11, 79, 156, 0.10);
  --shadow-lg: 0 20px 45px rgba(11, 79, 156, 0.14);
  --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.35);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text-body);
  background-color: var(--color-bg-white);
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  z-index: 1000;
  padding: 10px 18px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 15px;
  outline: 3px solid var(--color-accent-light);
}

/* Visible Keyboard Focus States */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Helpers */
h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  color: var(--color-text-title);
  line-height: 1.25;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

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

/* Section Shared Headers */
.section {
  padding: 96px 0;
  position: relative;
}

.section--light {
  background-color: var(--color-bg-ice);
}

.section-header {
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(11, 79, 156, 0.08);
  color: var(--color-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--color-text-title);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   3. Buttons & Component UI
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(11, 79, 156, 0.25);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11, 79, 156, 0.35);
}

.btn--white {
  background-color: #FFFFFF;
  color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn--white:hover {
  background-color: #F8FAFC;
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
}

.btn--outline-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
  color: #fff;
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background: rgba(11, 79, 156, 0.06);
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.25);
}

.btn--whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn--large {
  padding: 15px 32px;
  font-size: 1.05rem;
}

.btn--small {
  padding: 8px 18px;
  font-size: 0.88rem;
}

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

.btn__arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

.animate-spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* --------------------------------------------------------------------------
   4. Section 1: Topbar
   -------------------------------------------------------------------------- */
.topbar {
  background-color: var(--color-hero-bg-deep);
  color: #94A3B8;
  font-size: 0.84rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--topbar-height);
  display: flex;
  align-items: center;
}

.topbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
}

.topbar__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar__item strong {
  color: #FFFFFF;
}

.topbar__item--phone a {
  color: var(--color-accent-light);
  font-weight: 700;
  text-decoration: none;
}

.topbar__item--phone a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.topbar__divider {
  width: 1px;
  height: 14px;
  background-color: rgba(255, 255, 255, 0.15);
}

/* --------------------------------------------------------------------------
   5. Section 2: Sticky Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(11, 79, 156, 0.08);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition-fast);
}

.header.is-scrolled {
  box-shadow: 0 6px 20px rgba(11, 79, 156, 0.08);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo img {
  height: 48px;
  width: auto;
  transition: transform var(--transition-fast);
}

.header__logo:hover img {
  transform: scale(1.02);
}

/* Navigation List */
.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-body);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition-smooth);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta-mobile {
  display: none;
}

/* Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Hamburger Button */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.hamburger__bar {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--color-primary);
  border-radius: 3px;
  transition: transform var(--transition-smooth), opacity var(--transition-fast);
}

.hamburger.is-active .hamburger__bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger.is-active .hamburger__bar:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active .hamburger__bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Nav Drawer Backdrop */
.nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(6, 26, 58, 0.6);
  backdrop-filter: blur(4px);
  z-index: 990;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.nav-backdrop.is-active {
  opacity: 1;
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   6. Section 3: Hero Section (Dark Midnight Blue Full-Bleed)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: linear-gradient(170deg, var(--color-hero-bg) 0%, #082654 60%, var(--color-hero-bg-deep) 100%);
  color: #FFFFFF;
  padding: 70px 0 110px 0;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  top: 10%;
  right: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.25) 0%, rgba(6, 26, 58, 0) 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero__container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 2;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-accent-light);
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero__badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent-light);
  box-shadow: 0 0 10px var(--color-accent-light);
  animation: pulseLight 2s infinite;
}

@keyframes pulseLight {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.4);
    opacity: 1;
  }

  100% {
    transform: scale(0.9);
    opacity: 0.8;
  }
}

.hero__title {
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #CBD5E1;
  max-width: 580px;
  margin-bottom: 36px;
}

.hero__buttons {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* Hero Stats Bar */
.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__stat {
  display: flex;
  flex-direction: column;
}

.hero__stat-value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
}

.hero__stat-label {
  font-size: 0.82rem;
  color: #94A3B8;
  font-weight: 500;
}

.hero__stat-sep {
  width: 1px;
  height: 38px;
  background-color: rgba(255, 255, 255, 0.15);
}

/* Hero Ripple Visual Behind Bottle */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 520px;
}

.ripple-wrapper {
  position: relative;
  width: 440px;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Concentric Ripple Rings */
.ripple-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 0 25px rgba(2, 132, 199, 0.18) inset;
  pointer-events: none;
  animation: rippleExpand 6s infinite cubic-bezier(0.25, 1, 0.5, 1);
}

.ripple-ring--1 {
  width: 260px;
  height: 260px;
  animation-delay: 0s;
}

.ripple-ring--2 {
  width: 360px;
  height: 360px;
  animation-delay: 1.5s;
}

.ripple-ring--3 {
  width: 460px;
  height: 460px;
  animation-delay: 3s;
}

.ripple-ring--4 {
  width: 560px;
  height: 560px;
  animation-delay: 4.5s;
}

@keyframes rippleExpand {
  0% {
    transform: scale(0.65);
    opacity: 0.8;
  }

  50% {
    opacity: 0.45;
  }

  100% {
    transform: scale(1.2);
    opacity: 0;
  }
}

.bottle-frame {
  position: relative;
  z-index: 5;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.45));
  animation: floatSubtle 4s ease-in-out infinite alternate;
}

.hero__bottle-img {
  max-width: 290px;
  max-height: 480px;
  width: auto;
  height: auto;
  display: block;
  filter: drop-shadow(0 24px 38px rgba(0, 0, 0, 0.45));
}

@keyframes floatSubtle {
  0% {
    transform: translateY(0px);
  }

  100% {
    transform: translateY(-12px);
  }
}

/* Wave Divider Transition to Light Content */
.hero__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  color: var(--color-bg-white);
  z-index: 3;
}

.hero__wave svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 60px;
}

/* --------------------------------------------------------------------------
   7. Section 4: Products (Alternating Left/Right Rows)
   -------------------------------------------------------------------------- */
.products-list {
  display: flex;
  flex-direction: column;
  gap: 70px;
}

.product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 40px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.product-row:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-card-border-hover);
}

.product-row--reverse {
  grid-template-columns: 1fr 1fr;
}

.product-row--reverse .product-row__image-wrap {
  order: 2;
}

.product-row--reverse .product-row__content {
  order: 1;
}

.product-row__image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-row__image-bg {
  width: 100%;
  max-width: 420px;
  height: 380px;
  background: radial-gradient(circle, #E0F2FE 0%, #F0F9FF 70%, #FFFFFF 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border: 1px solid #BAE6FD;
}

.product-row__img {
  max-height: 330px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-bounce);
  filter: drop-shadow(0 14px 28px rgba(11, 79, 156, 0.16));
}

.product-row:hover .product-row__img {
  transform: scale(1.05);
}

.product-row__badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(2, 132, 199, 0.1);
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.product-row__title {
  font-size: clamp(1.6rem, 2.2vw, 2.1rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text-title);
}

.product-row__text {
  font-size: 1.02rem;
  color: var(--color-text-body);
  line-height: 1.7;
  margin-bottom: 22px;
}

.product-row__features {
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.product-row__features li {
  position: relative;
  padding-left: 28px;
  font-size: 0.95rem;
  color: var(--color-text-body);
}

.product-row__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-primary);
  font-weight: 800;
}

.product-row__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   8. Section 5: Pricing (Three-Column Strip, Request-Based)
   -------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-card-border-hover);
}

.pricing-card--featured {
  background: linear-gradient(160deg, #0B4F9C 0%, #073B75 100%);
  color: #FFFFFF;
  border-color: #0284C7;
  transform: scale(1.03);
  box-shadow: 0 16px 40px rgba(11, 79, 156, 0.28);
}

.pricing-card--featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.pricing-card__popular-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-amber);
  color: #0F172A;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 18px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.pricing-card__badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.pricing-card--featured .pricing-card__badge {
  color: #BAE6FD;
}

.pricing-card__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0;
  margin-bottom: 8px;
}

.pricing-card__bottle-thumb {
  max-height: 110px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 6px 14px rgba(11, 79, 156, 0.2));
  transition: transform var(--transition-bounce);
}

.pricing-card:hover .pricing-card__bottle-thumb {
  transform: scale(1.08) translateY(-4px);
}

.pricing-card__title {
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.pricing-card--featured .pricing-card__title {
  color: #FFFFFF;
}

.pricing-card__cost {
  margin-bottom: 12px;
}

.pricing-card__ask {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
}

.pricing-card--featured .pricing-card__ask {
  color: #FFFFFF;
}

.pricing-card__subtext {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

.pricing-card--featured .pricing-card__subtext {
  color: #CBD5E1;
}

.pricing-card__body {
  border-top: 1px solid var(--color-card-border);
  padding-top: 24px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-card--featured .pricing-card__body {
  border-top-color: rgba(255, 255, 255, 0.15);
}

.pricing-card__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-text-body);
}

.pricing-card--featured .pricing-card__list li {
  color: #E2E8F0;
}

.pricing-card__list .tick {
  color: var(--color-primary);
  font-weight: 800;
}

.pricing-card--featured .pricing-card__list .tick {
  color: #38BDF8;
}

/* --------------------------------------------------------------------------
   9. Section 6: Why Alkaline & 4-Step Process
   -------------------------------------------------------------------------- */
.ph-scale-wrapper {
  margin-bottom: 80px;
}

.ph-scale-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-sm);
}

.ph-scale-header {
  text-align: center;
  margin-bottom: 36px;
}

.ph-scale-title {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.ph-scale-subtitle {
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

/* pH Bar Container */
.ph-bar-container {
  position: relative;
  margin: 70px 10px 45px 10px;
}

/* Flag Pointer on pH Bar */
.ph-zone-flag {
  position: absolute;
  top: -65px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 10;
  cursor: pointer;
}

.ph-flag-tag {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  text-align: center;
  box-shadow: 0 4px 16px rgba(11, 79, 156, 0.35);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ph-flag-tag strong {
  font-size: 0.94rem;
  color: #38BDF8;
}

.ph-flag-pointer {
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 8px solid var(--color-primary);
}

/* Gradient Bar */
.ph-bar {
  height: 24px;
  border-radius: var(--radius-full);
  background: linear-gradient(to right,
      #EF4444 0%,
      /* Acidic 0 */
      #F97316 20%,
      /* Acidic 3 */
      #EAB308 40%,
      /* Mild Acid 5.5 */
      #84CC16 50%,
      /* Neutral 7.0 */
      #06B6D4 60%,
      /* AlkaBoost Start 8.5 */
      #0B4F9C 70%,
      /* AlkaBoost End 9.5 */
      #6366F1 85%,
      /* Basic 12 */
      #8B5CF6 100%
      /* Extreme 14 */
    );
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
  position: relative;
}

.ph-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.ph-tick--neutral {
  color: #15803D;
  font-weight: 700;
}

.ph-tick--target {
  color: var(--color-primary);
  font-weight: 800;
  background: #E0F2FE;
  padding: 2px 8px;
  border-radius: 4px;
}

/* pH Info Grid */
.ph-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.ph-info-box {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  background-color: var(--color-bg-soft);
}

.ph-info-box--alkaboost {
  background: #F0F9FF;
  border-color: #BAE6FD;
  border-width: 1.5px;
}

.ph-info-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.ph-info-header h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

.ph-info-box--alkaboost h4 {
  color: var(--color-primary);
}

.ph-info-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot--red {
  background-color: #EF4444;
}

.dot--green {
  background-color: #10B981;
}

.dot--blue {
  background-color: var(--color-primary);
}

.ph-info-box p {
  font-size: 0.9rem;
  color: var(--color-text-body);
  line-height: 1.6;
}

/* 4-Step Process */
.process-header {
  margin-bottom: 48px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  position: relative;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.process-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-card-border-hover);
}

.process-card__number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 800;
  color: #E2E8F0;
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
}

.process-card__icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(11, 79, 156, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.process-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-title);
}

.process-card__text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   10. Section 7: Machines (Benefits + Booking Form)
   -------------------------------------------------------------------------- */
.machines-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: start;
}

.machines-benefits {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 32px;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.benefit-item__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(11, 79, 156, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.benefit-item__content h4 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-text-title);
}

.benefit-item__content p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Machine Form Card */
.machines-form-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.machines-form-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.machines-form-title {
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.machines-form-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

/* Custom Forms Shared */
.custom-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-title);
}

.form-label .required {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #CBD5E1;
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-text-title);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(11, 79, 156, 0.15);
}

.form-input.has-error,
.form-select.has-error,
.form-textarea.has-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-field-error {
  font-size: 0.78rem;
  color: var(--color-error);
  font-weight: 500;
  display: none;
}

.form-field-error.is-visible {
  display: block;
}

/* Inline Form Status Feedback Message */
.form-status {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.5;
  display: none;
  margin-top: 10px;
}

.form-status.is-success {
  display: block;
  background-color: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.form-status.is-error {
  display: block;
  background-color: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

/* --------------------------------------------------------------------------
   11. Section 8: About Section
   -------------------------------------------------------------------------- */
.about-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: 56px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.about-card__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: radial-gradient(circle, #F0F7FF 0%, #FFFFFF 80%);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-lg);
  padding: 40px 24px;
}

.about-card__logo {
  max-width: 260px;
  height: auto;
}

.about-card__badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: #E0F2FE;
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 700;
}

.about-card__paragraph {
  font-size: 1.04rem;
  color: var(--color-text-body);
  line-height: 1.75;
  margin-bottom: 20px;
}

.about-card__highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--color-card-border);
}

.about-highlight {
  display: flex;
  flex-direction: column;
}

.about-highlight strong {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
}

.about-highlight span {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   12. Section 9: Gallery Slideshow
   -------------------------------------------------------------------------- */
.slideshow {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
}

.slideshow__track {
  position: relative;
  width: 100%;
  min-height: 480px;
}

.slideshow__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
}

.slideshow__slide.active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.slide-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100%;
  min-height: 480px;
}

.slide-card__media {
  background: radial-gradient(circle, #E0F2FE 0%, #F8FAFC 80%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  border-right: 1px solid var(--color-card-border);
}

.slide-card__media--brand {
  background: #FFFFFF;
}

.slide-card__img {
  max-height: 340px;
  max-width: 80%;
  object-fit: contain;
}

.slide-card__img--contain {
  max-height: 180px;
}

.slide-card__caption {
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide-card__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.slide-card__title {
  font-size: clamp(1.6rem, 2.2vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--color-text-title);
}

.slide-card__text {
  font-size: 1.02rem;
  color: var(--color-text-body);
  line-height: 1.7;
}

/* Slideshow Controls */
.slideshow__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--color-card-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-fast);
}

.slideshow__btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.slideshow__btn--prev {
  left: 20px;
}

.slideshow__btn--next {
  right: 20px;
}

.slideshow__dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.slideshow__dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #CBD5E1;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.slideshow__dots .dot.active {
  background-color: var(--color-primary);
  width: 32px;
  border-radius: 6px;
}

/* --------------------------------------------------------------------------
   13. Section 10: Order Section
   -------------------------------------------------------------------------- */
.order-layout {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
  align-items: start;
}

.order-perks {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 32px 0 36px 0;
}

.order-perk {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.order-perk__icon {
  font-size: 1.4rem;
  line-height: 1;
}

.order-perk h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.order-perk p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.order-bottle-highlight {
  display: flex;
  align-items: center;
  gap: 18px;
  background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
  border: 1.5px solid #BAE6FD;
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  margin-bottom: 24px;
  box-shadow: 0 4px 14px rgba(11, 79, 156, 0.08);
  transition: transform var(--transition-smooth);
}

.order-bottle-highlight:hover {
  transform: translateY(-2px);
  border-color: #7DD3FC;
}

.order-bottle-highlight__img {
  width: 55px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(11, 79, 156, 0.25));
  flex-shrink: 0;
  transition: transform var(--transition-bounce);
}

.order-bottle-highlight:hover .order-bottle-highlight__img {
  transform: scale(1.1);
}

.order-bottle-highlight__text {
  flex-grow: 1;
}

.order-bottle-highlight__badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(11, 79, 156, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-bottom: 4px;
}

.order-bottle-highlight__text h4 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 4px;
}

.order-bottle-highlight__text p {
  font-size: 0.84rem;
  color: var(--color-text-body);
  line-height: 1.45;
  margin: 0;
}

.order-direct-box {
  padding: 20px 24px;
  background: var(--color-bg-ice);
  border: 1px solid #BAE6FD;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.order-direct-box span {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.order-phone-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
}

.order-phone-link:hover {
  color: var(--color-accent);
}

.order-form-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-md);
}

.order-form-title {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.order-form-subtitle {
  font-size: 0.94rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

/* --------------------------------------------------------------------------
   14. Section 11: Footer (Dark Navy Matching Hero)
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-footer-bg);
  color: #CBD5E1;
  padding-top: 80px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__container {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 64px;
}

.footer__logo img {
  height: 46px;
  width: auto;
  margin-bottom: 14px;
}

.footer__tagline {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: #38BDF8;
  margin-bottom: 12px;
}

.footer__bio {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #94A3B8;
  margin-bottom: 24px;
}

.footer__socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.footer__col-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 8px;
}

.footer__col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: #94A3B8;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.footer__links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer__text {
  font-size: 0.9rem;
  color: #94A3B8;
  margin-bottom: 12px;
}

.footer__area-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.88rem;
  color: #CBD5E1;
}

.footer__area-list li::before {
  content: '• ';
  color: var(--color-accent-light);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  color: #CBD5E1;
}

.footer__contact-item a {
  color: #FFFFFF;
  text-decoration: none;
}

.footer__contact-item a:hover {
  color: var(--color-accent-light);
}

.footer__whatsapp-pill {
  margin-top: 20px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  background-color: var(--color-hero-bg-deep);
  font-size: 0.85rem;
  color: #64748B;
}

.footer__bottom-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.copyright {
  color: #94A3B8;
}

.footer__disclaimer {
  color: #64748B;
}

/* --------------------------------------------------------------------------
   15. Floating WhatsApp Button & Back To Top
   -------------------------------------------------------------------------- */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 950;
}

.floating-whatsapp__btn {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-bounce), box-shadow var(--transition-fast);
}

.floating-whatsapp__btn:hover {
  transform: scale(1.08);
  color: #FFFFFF;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
}

.floating-whatsapp__pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  opacity: 0.6;
  animation: pulseWa 2.2s infinite;
  z-index: -1;
}

@keyframes pulseWa {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }

  70% {
    transform: scale(1.45);
    opacity: 0;
  }

  100% {
    transform: scale(1.45);
    opacity: 0;
  }
}

.floating-whatsapp__tooltip {
  position: absolute;
  right: 72px;
  background: var(--color-text-title);
  color: #FFFFFF;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  pointer-events: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.floating-whatsapp__btn:hover .floating-whatsapp__tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Back To Top Button */
.back-to-top {
  position: fixed;
  bottom: 105px;
  right: 36px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #FFFFFF;
  color: var(--color-primary);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 940;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all var(--transition-smooth);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   16. Responsive Breakpoints
   -------------------------------------------------------------------------- */
/* Below 1024px (Tablets) */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero__content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__buttons {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
    width: 100%;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-6px);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-card {
    grid-template-columns: 1fr;
    padding: 40px;
  }

  .footer__container {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

/* Below 860px (Mobile Navigation Active) */
@media (max-width: 860px) {
  .topbar {
    height: auto;
    padding: 6px 0;
  }

  .topbar__container {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .topbar__divider {
    display: none;
  }

  /* Hamburger Toggle & Slide Drawer */
  .hamburger {
    display: flex;
  }

  .header__btn {
    display: none;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 340px;
    height: 100vh;
    background-color: #FFFFFF;
    box-shadow: -10px 0 30px rgba(6, 26, 58, 0.15);
    padding: 90px 30px 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: right var(--transition-smooth);
    z-index: 1000;
  }

  .nav.is-open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
  }

  .nav__link {
    font-size: 1.15rem;
    width: 100%;
    display: block;
  }

  .nav__cta-mobile {
    display: block;
    margin-top: 30px;
  }

  /* Products Rows */
  .product-row,
  .product-row--reverse {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 28px;
  }

  .product-row--reverse .product-row__image-wrap {
    order: 1;
  }

  .product-row--reverse .product-row__content {
    order: 2;
  }

  /* pH scale */
  .ph-info-grid {
    grid-template-columns: 1fr;
  }

  /* Machines */
  .machines-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .machines-form-card {
    padding: 28px;
  }

  /* Slide Card */
  .slide-card {
    grid-template-columns: 1fr;
  }

  .slide-card__media {
    border-right: none;
    border-bottom: 1px solid var(--color-card-border);
    padding: 30px;
  }

  .slide-card__caption {
    padding: 30px 24px;
  }

  /* Order */
  .order-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .order-form-card {
    padding: 28px;
  }
}

/* Below 580px (Phones) */
@media (max-width: 580px) {
  .hero__title {
    font-size: 2.15rem;
  }

  .hero__stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero__stat-sep {
    display: none;
  }

  .ripple-wrapper {
    width: 320px;
    height: 400px;
  }

  .ripple-ring--1 {
    width: 200px;
    height: 200px;
  }

  .ripple-ring--2 {
    width: 280px;
    height: 280px;
  }

  .ripple-ring--3 {
    width: 340px;
    height: 340px;
  }

  .ripple-ring--4 {
    width: 400px;
    height: 400px;
  }

  .hero__bottle-img {
    width: 220px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .about-card__highlights {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .footer__container {
    grid-template-columns: 1fr;
  }

  .footer__bottom-container {
    flex-direction: column;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   17. Accessibility: prefers-reduced-motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .ripple-ring {
    animation: none;
    opacity: 0.3;
  }

  .bottle-frame {
    animation: none;
  }

  .hero__badge-pulse {
    animation: none;
  }

  .floating-whatsapp__pulse {
    animation: none;
  }
}