/*
Theme Name: Pure Drink Water
Theme URI: https://puredrinkwater.online
Author: Pure Drink Water Team
Description: Custom utility-first WordPress theme for Pure Drink Water — built around interactive water tools instead of blog-only content.
Version: 2.0
Text Domain: purewater
*/

:root {
  --pw-blue: #0b6fb0;
  --pw-blue-dark: #084d7d;
  --pw-blue-deep: #062f4d;
  --pw-accent: #17b3a3;
  --pw-light: #eef7fc;
  --pw-light-2: #f6fafd;
  --pw-text: #16242c;
  --pw-gray: #5b6b73;
  --pw-border: #e3edf2;
  --pw-white: #ffffff;
  --pw-radius: 16px;
  --pw-radius-sm: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--pw-text);
  margin: 0;
  background: var(--pw-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--pw-blue); text-decoration: none; }
a:hover { text-decoration: none; }
img { max-width: 100%; display: block; }
svg { display: block; }

.pw-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- Header ---------------- */
.pw-site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--pw-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.pw-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
}
.pw-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--pw-blue-dark);
  letter-spacing: -0.3px;
  flex-shrink: 0;
}
.pw-logo .pw-logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--pw-blue), var(--pw-accent));
  display: flex; align-items: center; justify-content: center;
}
.pw-logo .pw-logo-mark svg { width: 20px; height: 20px; }
.pw-logo span { color: var(--pw-accent); }

.pw-nav ul {
  list-style: none;
  display: flex;
  gap: 26px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.pw-nav a {
  color: var(--pw-text);
  font-weight: 600;
  font-size: 14.5px;
  transition: color .15s;
}
.pw-nav a:hover { color: var(--pw-blue); }

.pw-header-cta {
  flex-shrink: 0;
}
.pw-header-cta .pw-btn-sm {
  background: var(--pw-blue);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}
.pw-header-cta .pw-btn-sm:hover { background: var(--pw-blue-dark); }

.pw-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--pw-border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

/* ---------------- Hero ---------------- */
.pw-hero {
  position: relative;
  background: linear-gradient(160deg, var(--pw-blue) 0%, var(--pw-blue-dark) 55%, var(--pw-blue-deep) 100%);
  padding: 90px 0 140px;
  text-align: center;
  overflow: hidden;
  color: #fff;
}
.pw-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 15%, rgba(255,255,255,0.10) 0, transparent 40%),
    radial-gradient(circle at 88% 80%, rgba(23,179,163,0.18) 0, transparent 45%);
  pointer-events: none;
}
.pw-hero-wave {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  line-height: 0;
}
.pw-hero-wave svg { width: 100%; height: 70px; display: block; }

.pw-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.28);
  color: #eaf6ff;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .3px;
  margin-bottom: 24px;
}
.pw-hero-badge svg { width: 14px; height: 14px; }

.pw-hero h1 {
  font-size: 48px;
  line-height: 1.15;
  margin: 0 0 18px;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.8px;
  position: relative;
}
.pw-hero p {
  font-size: 18px;
  color: #cfe6f6;
  max-width: 640px;
  margin: 0 auto 36px;
  position: relative;
}
.pw-hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }

.pw-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--pw-blue-dark);
  padding: 15px 30px;
  border-radius: 10px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
  transition: transform .15s ease, box-shadow .15s ease;
  border: none;
  cursor: pointer;
  font-size: 15px;
}
.pw-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(0,0,0,0.22); text-decoration: none; }
.pw-btn svg { width: 16px; height: 16px; }

.pw-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 700;
  border: 1.5px solid rgba(255,255,255,0.5);
  transition: background .15s ease;
  font-size: 15px;
}
.pw-btn-outline:hover { background: rgba(255,255,255,0.12); text-decoration: none; }

.pw-hero-stats {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 56px;
  margin-top: 50px;
  flex-wrap: wrap;
}
.pw-hero-stats div { text-align: center; }
.pw-hero-stats strong { display: block; font-size: 28px; color: #fff; font-weight: 800; }
.pw-hero-stats span { font-size: 13px; color: #bcdcf0; }

/* ---------------- Trust bar ---------------- */
.pw-trust-bar {
  background: #fff;
  margin-top: -70px;
  position: relative;
  z-index: 2;
  border-radius: var(--pw-radius);
  box-shadow: 0 24px 50px rgba(6,47,77,0.16);
  padding: 30px 34px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pw-trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pw-blue-dark);
}
.pw-trust-item .pw-icon-box {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--pw-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pw-trust-item .pw-icon-box svg { width: 20px; height: 20px; color: var(--pw-blue); }

/* ---------------- Sections ---------------- */
.pw-section { padding: 80px 0; }
.pw-section-alt { background: var(--pw-light-2); }
.pw-section-head { text-align: center; max-width: 620px; margin: 0 auto 44px; }
.pw-eyebrow {
  display: inline-block;
  color: var(--pw-accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.pw-section h2 {
  font-size: 32px;
  margin: 0 0 12px;
  color: var(--pw-blue-dark);
  font-weight: 800;
  letter-spacing: -0.5px;
}
.pw-section .pw-subtitle { color: var(--pw-gray); font-size: 16px; margin: 0; }

/* Tools grid */
.pw-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.pw-tool-card {
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  padding: 30px;
  background: var(--pw-white);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  position: relative;
}
.pw-tool-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(11,111,176,0.14);
  border-color: #cfe6f6;
}
.pw-tool-card .pw-icon-box {
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--pw-light), #dff1fa);
  border-radius: 14px;
  margin-bottom: 18px;
}
.pw-tool-card .pw-icon-box svg { width: 26px; height: 26px; color: var(--pw-blue); }
.pw-tool-card h3 { margin: 0 0 8px; font-size: 18px; color: var(--pw-blue-dark); font-weight: 700; }
.pw-tool-card p { color: var(--pw-gray); font-size: 14px; margin: 0 0 20px; min-height: 40px; }
.pw-tool-card .pw-btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--pw-blue);
  font-weight: 700;
  font-size: 14px;
}
.pw-tool-card .pw-btn-link svg { width: 15px; height: 15px; transition: transform .15s; }
.pw-tool-card:hover .pw-btn-link svg { transform: translateX(3px); }

.pw-empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--pw-light);
  border-radius: var(--pw-radius);
  color: var(--pw-gray);
}

/* How it works */
.pw-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 10px;
}
.pw-step { text-align: center; }
.pw-step .pw-step-num {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--pw-blue-dark);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  margin: 0 auto 16px;
  font-size: 16px;
}
.pw-step h4 { margin: 0 0 8px; font-size: 16px; color: var(--pw-blue-dark); }
.pw-step p { margin: 0; color: var(--pw-gray); font-size: 14px; }

/* Why us */
.pw-why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 26px;
}
.pw-why-card {
  padding: 26px;
  border-radius: var(--pw-radius);
  background: #fff;
  border: 1px solid var(--pw-border);
}
.pw-why-card .pw-icon-box {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--pw-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.pw-why-card .pw-icon-box svg { width: 24px; height: 24px; color: var(--pw-accent); }
.pw-why-card h4 { margin: 0 0 8px; font-size: 16px; color: var(--pw-blue-dark); }
.pw-why-card p { margin: 0; color: var(--pw-gray); font-size: 14px; }

/* CTA banner */
.pw-cta-banner {
  background: linear-gradient(120deg, var(--pw-blue-dark), var(--pw-blue-deep));
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.pw-cta-banner h2 { color: #fff; }
.pw-cta-banner p { color: #cfe6f6; max-width: 520px; margin: 0 auto 28px; }

/* Tool widget wrapper (for shortcode outputs) */
.pw-tool-widget {
  background: var(--pw-light);
  border-radius: var(--pw-radius);
  padding: 34px;
  margin: 30px 0;
}
.pw-tool-widget label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 14px;
}
.pw-tool-widget input, .pw-tool-widget select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #cfe0e8;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 15px;
  background: #fff;
}
.pw-tool-widget button {
  background: var(--pw-blue);
  color: #fff;
  border: none;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: 15px;
}
.pw-tool-widget button:hover { background: var(--pw-blue-dark); }
.pw-result-box {
  margin-top: 22px;
  padding: 20px;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #d7e8f0;
  display: none;
  line-height: 1.9;
}

/* ---------------- Footer ---------------- */
.pw-site-footer {
  background: var(--pw-blue-deep);
  color: #cfe0ea;
  padding: 64px 0 0;
  margin-top: 40px;
}
.pw-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.pw-footer-brand .pw-logo { color: #fff; }
.pw-footer-brand p { color: #a9c6d8; font-size: 14px; margin: 14px 0 0; max-width: 280px; }
.pw-footer-col h5 {
  color: #fff;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin: 0 0 16px;
}
.pw-footer-col ul { list-style: none; margin: 0; padding: 0; }
.pw-footer-col li { margin-bottom: 10px; }
.pw-footer-col a { color: #a9c6d8; font-size: 14px; }
.pw-footer-col a:hover { color: #fff; }
.pw-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  font-size: 13px;
  color: #8fb2c7;
  flex-wrap: wrap;
  gap: 10px;
}
.pw-footer-social { display: flex; gap: 12px; }
.pw-footer-social a {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
}
.pw-footer-social svg { width: 16px; height: 16px; color: #cfe0ea; }
.pw-footer-social a:hover { background: rgba(255,255,255,0.16); }

/* Blog filter/search bar */
.pw-blog-filter {
  margin-bottom: 40px;
}
.pw-blog-filter-row {
  display: flex;
  gap: 12px;
  background: var(--pw-light-2);
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  padding: 14px;
  flex-wrap: wrap;
}
.pw-blog-search {
  flex: 1 1 260px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius-sm);
  padding: 0 14px;
}
.pw-blog-search svg { width: 18px; height: 18px; color: var(--pw-gray); flex-shrink: 0; }
.pw-blog-search input {
  flex: 1;
  border: none;
  outline: none;
  padding: 13px 0;
  font-size: 15px;
  background: transparent;
}
.pw-blog-cat-select {
  flex: 0 0 200px;
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius-sm);
  padding: 0 14px;
  font-size: 15px;
  background: #fff;
  color: var(--pw-text);
  height: 48px;
}
.pw-blog-search-btn {
  flex: 0 0 auto;
  padding: 0 24px;
  border-radius: var(--pw-radius-sm);
  font-size: 15px;
  height: 48px;
  border: none;
  background: var(--pw-blue);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.pw-blog-search-btn:hover { background: var(--pw-blue-dark); }
@media (max-width: 640px) {
  .pw-blog-filter-row { flex-direction: column; }
  .pw-blog-cat-select, .pw-blog-search-btn { flex: 1 1 auto; width: 100%; }
}

/* Blog grid */
.pw-blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.pw-blog-card {
  border: 1px solid var(--pw-border);
  border-radius: var(--pw-radius);
  overflow: hidden;
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease;
}
.pw-blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(11,111,176,0.14);
}
.pw-blog-thumb {
  display: block;
  aspect-ratio: 16/9;
  background: var(--pw-light);
  overflow: hidden;
}
.pw-blog-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pw-blog-thumb-fallback {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.pw-blog-thumb-fallback svg { width: 40px; height: 40px; color: var(--pw-blue); opacity: .5; }
.pw-blog-card-body { padding: 24px; }
.pw-blog-date { font-size: 12px; color: var(--pw-gray); text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
.pw-blog-card-body h3 { font-size: 18px; margin: 10px 0 10px; color: var(--pw-blue-dark); }
.pw-blog-card-body h3 a { color: inherit; }
.pw-blog-card-body p { color: var(--pw-gray); font-size: 14px; margin: 0 0 16px; }

/* Pagination */
.pw-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 46px;
  flex-wrap: wrap;
}
.pw-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--pw-border);
  color: var(--pw-blue-dark);
  font-weight: 600;
  font-size: 14px;
}
.pw-pagination .page-numbers.current {
  background: var(--pw-blue);
  color: #fff;
  border-color: var(--pw-blue);
}
.pw-pagination .page-numbers:hover:not(.current) { background: var(--pw-light); }

@media (max-width: 900px) {
  .pw-nav { display: none; }
  .pw-menu-toggle { display: flex; }
  .pw-trust-bar { grid-template-columns: repeat(2, 1fr); }
  .pw-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .pw-hero h1 { font-size: 32px; }
  .pw-trust-bar { grid-template-columns: 1fr; margin-top: -40px; }
  .pw-footer-grid { grid-template-columns: 1fr; }