:root {
  --blue-900: #073b4c;
  --blue-700: #0b6e8c;
  --blue-600: #0e8fb4;
  --blue-500: #17a8d1;
  --blue-100: #e6f7fc;
  --aqua: #06d6a0;
  --ink: #10242c;
  --muted: #4c6570;
  --bg: #ffffff;
  --bg-alt: #f4fbfd;
  --border: #dcedf1;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(7, 59, 76, 0.08);
  --font-head: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { max-width: 100%; overflow-x: hidden; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue-900);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus { left: 10px; top: 10px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--blue-900);
}
.logo-img { height: 80px; width: auto; display: block; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 500;
}
.primary-nav a:not(.btn) {
  color: var(--muted);
  font-size: 0.95rem;
}
.primary-nav a:not(.btn):hover { color: var(--blue-700); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--blue-900);
  border-radius: 2px;
  margin-inline: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 143, 180, 0.35);
}
.btn-primary:hover { background: var(--blue-700); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--blue-700);
  border-color: var(--blue-600);
}
.btn-ghost:hover { background: var(--blue-100); }
.btn-small { padding: 9px 18px; font-size: 0.85rem; }

/* Hero */
.hero {
  background: radial-gradient(1200px 500px at 80% -10%, var(--blue-100), transparent),
              linear-gradient(180deg, #ffffff 0%, var(--bg-alt) 100%);
  padding-block: 72px 56px;
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: center;
}
.eyebrow {
  color: var(--blue-600);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin: 0 0 10px;
}
.eyebrow.center { text-align: center; }
h1, h2, h3 { font-family: var(--font-head); color: var(--blue-900); margin: 0 0 16px; line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
.hero-lead { font-size: 1.05rem; color: var(--muted); max-width: 46ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 20px 0;
}
.hero-bottle {
  max-height: 380px;
  width: auto;
  filter: drop-shadow(0 20px 30px rgba(7, 59, 76, 0.2));
}
.hero-badge {
  position: absolute;
  bottom: 12px;
  left: 4%;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 12px 18px;
  text-align: left;
}
.hero-badge-eyebrow {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.68rem;
  color: var(--blue-600);
}
.hero-badge-value {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--blue-900);
  font-size: 1rem;
}

/* Strip */
.strip { background: var(--blue-900); color: #fff; padding-block: 22px; }
.strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.strip-item { display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 500; }
.strip-item svg { width: 26px; height: 26px; color: var(--aqua); }

/* Sections */
.section { padding-block: 76px; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.section-title.center { text-align: center; }
.section-lead { color: var(--muted); max-width: 60ch; margin: 0 auto 40px; }
.section-lead.center { text-align: center; }

.cards { display: grid; gap: 24px; margin-top: 20px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-featured { border-color: var(--blue-500); }
.card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--aqua);
  color: var(--blue-900);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.card-icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-100);
  border-radius: 50%;
  color: var(--blue-600);
}
.card-icon svg { width: 28px; height: 28px; }
.card-media {
  width: 100%;
  height: 190px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-100);
  border-radius: 14px;
  overflow: hidden;
}
.card-media img { max-height: 100%; max-width: 100%; object-fit: contain; }
.card-media svg { width: 56px; height: 56px; color: var(--blue-600); }
.card h3 { margin-bottom: 8px; font-size: 1.15rem; }
.card p { color: var(--muted); margin: 0 0 8px; }
.price { font-weight: 600; color: var(--blue-700); margin-top: 12px; }

.card-order-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-top: 14px;
  padding: 9px 16px;
  border-radius: 999px;
  background: #25D366;
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  transition: transform 0.15s ease, background 0.15s ease;
}
.card-order-btn:hover { background: #1ebc59; transform: translateY(-1px); }
.card-order-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.bulk-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.bulk-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.bulk-card img { width: 100px; height: 100px; object-fit: contain; flex-shrink: 0; }
.bulk-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.bulk-card p { color: var(--muted); margin: 0; font-size: 0.92rem; }

.gallery-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.gallery-strip figure { margin: 0; }
.gallery-strip img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.gallery-strip figcaption {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 12px;
}

/* Refill section */
.refill-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 40px;
  align-items: center;
}
.check-list { list-style: none; padding: 0; margin: 20px 0 28px; display: grid; gap: 12px; }
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--aqua);
}
.refill-price-card {
  background: linear-gradient(160deg, var(--blue-600), var(--blue-900));
  color: #fff;
  border-radius: 24px;
  padding: 50px 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.refill-amount { display: block; font-family: var(--font-head); font-weight: 800; font-size: 4rem; }
.refill-unit { display: block; font-size: 1rem; opacity: 0.85; margin-top: 4px; }

/* Dispenser rental section */
.dispenser-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 48px;
  align-items: center;
}
.dispenser-image {
  display: flex;
  justify-content: center;
}
.dispenser-image img {
  max-width: 320px;
  width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.dispenser-price {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue-900);
  margin: 16px 0 4px;
}
.dispenser-price strong { color: var(--blue-700); font-size: 1.9rem; }
.dispenser-price span { font-size: 1rem; font-weight: 500; color: var(--muted); }

/* Vending kiosk section */
.vending-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: center;
}
.vending-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.vending-gallery {
  margin-top: 40px;
}
.vending-gallery img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  gap: 40px;
  align-items: center;
}
.about-inner p { color: var(--muted); }
.water-quality {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.water-quality img { max-width: 100%; margin: 0 auto; }
.water-quality-caption { font-size: 0.85rem; color: var(--muted); margin: 12px 0 0; }

/* Contact */
.info-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}
.info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.info-card svg { width: 28px; height: 28px; color: var(--blue-600); flex-shrink: 0; margin-top: 4px; }
.info-card h3 { font-size: 1rem; margin-bottom: 6px; }
.info-card p { color: var(--muted); margin: 0; font-size: 0.92rem; line-height: 1.5; }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 48px;
}
.map-embed iframe { display: block; width: 100%; height: 300px; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 48px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
a.contact-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.contact-card svg { width: 26px; height: 26px; color: var(--blue-600); margin-bottom: 6px; }
.contact-label { font-weight: 700; color: var(--blue-900); font-family: var(--font-head); }
.contact-card span:last-child { color: var(--muted); font-size: 0.92rem; }

.enquiry-form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.enquiry-form h3 { text-align: center; }
.form-row { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-weight: 600; font-size: 0.9rem; color: var(--blue-900); }
.form-row input, .form-row textarea {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px var(--blue-100);
}
.enquiry-form .btn { width: 100%; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { text-align: center; font-size: 0.9rem; color: var(--blue-700); min-height: 1.2em; margin: 12px 0 0; }
.form-note-error { color: #d64545; }

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 58px;
  height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid #fff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  z-index: 150;
  color: #fff;
  transition: transform 0.15s ease, opacity 0.25s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float.is-scrolling { opacity: 0; pointer-events: none; }
.whatsapp-float svg { width: 30px; height: 30px; }

/* Footer */
.site-footer { background: var(--blue-900); color: #fff; padding-block: 32px; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
}
.footer-note { opacity: 0.7; }
.footer-privacy-link { text-decoration: underline; opacity: 0.85; margin-left: 6px; }
.footer-privacy-link:hover { opacity: 1; }
.footer-social { display: flex; align-items: center; gap: 14px; }
.footer-social a { color: rgba(255, 255, 255, 0.85); transition: color 0.15s ease; }
.footer-social a:hover { color: #fff; }
.footer-social svg { width: 22px; height: 22px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner, .refill-inner, .about-inner, .dispenser-inner, .vending-inner { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { margin-top: 20px; }
  .hero-bottle { max-height: 300px; }
  .dispenser-inner .dispenser-image { order: -1; }
  .dispenser-image img { max-width: 260px; }
  .cards-3, .cards-4, .cards-2 { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .strip-inner { grid-template-columns: 1fr 1fr; }
  .bulk-strip { grid-template-columns: minmax(0, 1fr); }
  .gallery-strip { grid-template-columns: minmax(0, 1fr); }
  .info-strip { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
  .logo-img { height: 32px; }
  .nav-toggle { display: flex; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  .primary-nav.open { display: flex; }
  .primary-nav .btn { width: 100%; }
  .cards-3, .cards-4, .cards-2, .contact-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1; }
  .bulk-card { flex-direction: column; text-align: center; }
  .whatsapp-float { width: 48px; height: 48px; bottom: 14px; right: 14px; }
  .whatsapp-float svg { width: 24px; height: 24px; }
  .site-footer { padding-bottom: 84px; }
}