/* AI Water Controller — bright colorful water theme */

:root {
  --bg: #eaf8ff;
  --bg-2: #f3fff8;
  --bg-3: #fff7ed;
  --card: rgba(255, 255, 255, 0.88);
  --card-border: rgba(8, 145, 178, 0.18);
  --text: #0b2f44;
  --muted: #4d6b7c;
  --cyan: #0891b2;
  --blue: #2563eb;
  --purple: #0d9488;
  --pink: #e11d48;
  --orange: #ea580c;
  --green: #059669;
  --lime: #65a30d;
  --whatsapp: #25d366;
  --whatsapp-dark: #1ebe57;
  --warning: #d97706;
  --gradient-brand: linear-gradient(120deg, #0891b2 0%, #2563eb 40%, #0d9488 70%, #ea580c 100%);
  --gradient-warm: linear-gradient(135deg, #ea580c, #e11d48, #2563eb);
  --gradient-cool: linear-gradient(135deg, #22d3ee, #0891b2, #2563eb);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 40px rgba(8, 80, 120, 0.12);
  --header-h: 68px;
  --sticky-h: 72px;
  --font-bn: "Hind Siliguri", system-ui, sans-serif;
  --font-en: "Space Grotesk", "Hind Siliguri", sans-serif;
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font-bn);
  color: var(--text);
  background:
    radial-gradient(900px 480px at 8% -5%, rgba(34, 211, 238, 0.35), transparent 55%),
    radial-gradient(700px 400px at 92% 4%, rgba(37, 99, 235, 0.18), transparent 52%),
    radial-gradient(600px 360px at 50% 35%, rgba(13, 148, 136, 0.16), transparent 60%),
    radial-gradient(500px 300px at 20% 80%, rgba(234, 88, 12, 0.12), transparent 55%),
    radial-gradient(450px 280px at 85% 75%, rgba(225, 29, 72, 0.1), transparent 50%),
    linear-gradient(180deg, #e8f9ff 0%, #f2fffa 42%, #fff8f1 100%);
  line-height: 1.55;
  overflow-x: hidden;
  padding-bottom: calc(var(--sticky-h) + env(safe-area-inset-bottom, 0px));
  -webkit-tap-highlight-color: transparent;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.container {
  width: min(var(--max), calc(100% - 1.5rem));
  margin-inline: auto;
}

.container.narrow {
  width: min(720px, calc(100% - 1.5rem));
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--cyan);
  color: #041018;
  padding: 0.6rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0.75rem;
  top: 0.75rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(8, 145, 178, 0.14);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--green), var(--orange), var(--pink));
  opacity: 0.85;
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.brand img {
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-en);
  font-size: clamp(0.95rem, 2.8vw, 1.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 0;
  cursor: pointer;
  place-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-align: center;
  white-space: nowrap;
  touch-action: manipulation;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--gradient-cool);
  color: #fff;
  box-shadow: 0 10px 28px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(168, 85, 247, 0.4);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #062214;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
}

.btn-call {
  background: #fff;
  color: #041018;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  min-height: 44px;
  padding: 0.5rem 0.95rem;
  font-size: 0.88rem;
}

.mobile-call-link {
  display: none;
  margin-top: 0.85rem;
  color: var(--cyan);
  font-weight: 700;
  font-size: 1rem;
  border-bottom: 1px solid rgba(34, 211, 238, 0.35);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.cta-row.center {
  justify-content: center;
}

/* Hero */
.hero {
  position: relative;
  padding: 2.5rem 0 3rem;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: 10% 20% auto;
  height: 240px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.18), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.hero-glow--blue {
  inset: auto 5% 15% auto;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.14), transparent 70%);
}

/* Home landing */
.home-landing {
  padding: 2rem 0 2.25rem;
}

.home-shell {
  position: relative;
}

.home-stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.25rem;
  max-width: 720px;
  margin-inline: auto;
}

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

.home-top .home-brand {
  justify-content: center;
}

.home-top .home-lead {
  margin-inline: auto;
  max-width: 42ch;
}

.home-top .home-meta {
  justify-content: center;
}

.promo-poster--home {
  margin: 0;
  max-width: 100%;
}

.home-demo-hint--above {
  display: block;
  text-align: center;
  margin: 0 0 0.75rem;
}

.home-after {
  display: grid;
  gap: 0.85rem;
  justify-items: center;
  text-align: center;
}

.home-after .home-stats-panel {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin: 0 0 0.25rem;
}

.home-stats-live li {
  text-align: center;
  padding: 0.7rem 0.5rem;
}

.home-after .home-cta {
  justify-content: center;
}

.price-calc {
  width: 100%;
  max-width: 520px;
  margin-inline: auto;
  padding: 1.1rem 1rem 1.2rem;
  border-radius: 18px;
  border: 1px solid rgba(8, 145, 178, 0.25);
  background: linear-gradient(165deg, #ffffff 0%, #eefbff 55%, #fff7ed 100%);
  box-shadow: var(--shadow);
  text-align: left;
}

.price-calc h3 {
  margin: 0 0 0.35rem;
  text-align: center;
  font-size: 1.15rem;
}

.price-calc-lead {
  margin: 0 0 1rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
}

.price-calc-products {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.price-calc-product {
  margin: 0;
  text-align: center;
  min-width: 88px;
}

.price-calc-product img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.price-calc-product figcaption {
  margin-top: 0.3rem;
  font-size: 0.72rem;
  color: var(--muted);
  font-family: var(--font-en);
}

.price-calc-plus {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan);
}

.price-calc-note {
  margin: 0 0 0.85rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.price-calc-options {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.price-calc-option {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.75rem 0.8rem;
  border-radius: 12px;
  border: 1px solid rgba(8, 145, 178, 0.18);
  background: rgba(255, 255, 255, 0.75);
  cursor: pointer;
}

.price-calc-option:has(input:checked) {
  border-color: rgba(8, 145, 178, 0.55);
  background: rgba(8, 145, 178, 0.1);
}

.price-calc-option input {
  margin-top: 0.2rem;
  accent-color: #38bdf8;
}

.price-calc-option-body {
  display: grid;
  gap: 0.25rem;
}

.price-calc-option-body strong {
  font-size: 0.95rem;
}

.price-calc-option-body small {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.price-calc-feet {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
  font-weight: 600;
}

.price-calc-feet-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.price-calc-feet-row input {
  width: 7rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid rgba(8, 145, 178, 0.3);
  background: #fff;
  color: var(--text);
  font-size: 1.05rem;
  font-family: var(--font-en);
}

.price-calc-unit {
  color: var(--muted);
}

.price-calc-breakdown {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.price-calc-breakdown li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.5rem 0.65rem;
  border-radius: 10px;
  background: rgba(8, 145, 178, 0.06);
  font-size: 0.92rem;
}

.price-calc-breakdown strong {
  font-family: var(--font-en);
  white-space: nowrap;
}

.price-calc-total {
  border: 1px solid rgba(8, 145, 178, 0.35);
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.12), rgba(234, 88, 12, 0.1)) !important;
}

.price-calc-total strong {
  font-size: 1.25rem;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.price-calc-order {
  width: 100%;
  justify-content: center;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.home-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.home-brand img {
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.home-title {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(1.45rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.home-kicker {
  margin: 0.2rem 0 0;
  font-family: var(--font-en);
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.home-lead {
  margin: 0 0 1rem;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--text);
  max-width: 38ch;
}

.home-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.demo-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #0891b2, #2563eb);
  border: 1px solid rgba(8, 145, 178, 0.45);
  box-shadow: 0 8px 18px rgba(8, 145, 178, 0.25);
}

.demo-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse-dot 1.8s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

.home-demo-hint {
  margin: 0 0 1rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted);
}

.home-demo-hint strong {
  color: var(--cyan);
  font-family: var(--font-en);
}

.home-stats-panel {
  margin-bottom: 1rem;
}

.home-cta {
  margin-top: 0.25rem;
}

.home-note {
  margin-top: 0.75rem;
}

.home-demo-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.home-demo-wrap::before {
  content: "";
  position: absolute;
  inset: 8% 5% 5%;
  background:
    radial-gradient(circle at 30% 40%, rgba(34, 211, 238, 0.22), transparent 55%),
    radial-gradient(circle at 70% 55%, rgba(168, 85, 247, 0.2), transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(236, 72, 153, 0.12), transparent 45%);
  filter: blur(24px);
  pointer-events: none;
}

.home-demo-wrap .demo-stage {
  position: relative;
  width: min(340px, 100%);
  margin-inline: auto;
}

.home-stats-mobile {
  display: none;
  margin-top: 1rem;
}

.home-quick-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin-top: 1.35rem;
}

.home-quick-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 0.45rem;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  color: var(--text);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(8, 145, 178, 0.14);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  box-shadow: 0 4px 12px rgba(8, 80, 120, 0.05);
}

.home-quick-nav a:nth-child(1) { border-color: rgba(8, 145, 178, 0.4); background: rgba(8, 145, 178, 0.1); }
.home-quick-nav a:nth-child(2) { border-color: rgba(37, 99, 235, 0.35); background: rgba(37, 99, 235, 0.08); }
.home-quick-nav a:nth-child(3) { border-color: rgba(13, 148, 136, 0.4); background: rgba(13, 148, 136, 0.1); }
.home-quick-nav a:nth-child(4) { border-color: rgba(225, 29, 72, 0.35); background: rgba(225, 29, 72, 0.08); }
.home-quick-nav a:nth-child(5) { border-color: rgba(5, 150, 105, 0.4); background: rgba(5, 150, 105, 0.1); }
.home-quick-nav a:nth-child(6) { border-color: rgba(234, 88, 12, 0.4); background: rgba(234, 88, 12, 0.1); }

.home-quick-nav a:hover,
.home-quick-nav a:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.15);
}

.home-shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.25rem;
  max-width: 420px;
  margin-inline: auto;
}

.home-shot {
  margin: 0;
  text-align: center;
}

.home-shot img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  background: #eef1f5;
  aspect-ratio: 9 / 19;
  object-fit: contain;
  box-shadow: var(--shadow);
}

.home-shot figcaption {
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--font-en);
}

.home-product-showcase {
  margin: 0 0 1rem;
  padding: 0.85rem;
  border-radius: var(--radius);
  background: rgba(16, 18, 40, 0.65);
  border: 1px solid rgba(168, 85, 247, 0.28);
  text-align: center;
}

.home-product-showcase img {
  width: min(100%, 260px);
  margin-inline: auto;
  object-fit: contain;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(34, 211, 238, 0.08), rgba(168, 85, 247, 0.08));
  padding: 0.5rem;
}

.home-product-showcase figcaption {
  margin-top: 0.45rem;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--muted);
}

.section-poster {
  padding-block: clamp(2rem, 5vw, 3rem);
}

.promo-poster {
  margin: 0 auto 1.75rem;
  max-width: 920px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  background: #fff;
}

.promo-poster img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.promo-poster figcaption {
  margin: 0;
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  background: linear-gradient(90deg, #e0f7ff, #ecfdf5);
  border-top: 1px solid rgba(8, 145, 178, 0.15);
}

.video-section-title {
  margin: 0 0 0.85rem;
  text-align: center;
  font-size: 1.15rem;
}

.video-section {
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.section-head--videos {
  margin-bottom: 1rem;
}

.section-head--videos p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  text-align: center;
}

.video-grid {
  display: grid;
  gap: 1.25rem;
  max-width: 920px;
  margin-inline: auto;
}

@media (min-width: 700px) {
  .video-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.35rem;
  }
}

.video-card {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid rgba(8, 145, 178, 0.18);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
}

.video-card h4 {
  margin: 0;
  font-family: var(--font-en);
  font-size: 1.05rem;
  text-align: center;
}

.video-card-desc {
  margin: 0;
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
}

.video-card .video-embed,
.video-card .video-placeholder {
  margin-inline: 0;
  max-width: none;
}

.video-embed {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(8, 145, 178, 0.25);
  box-shadow: var(--shadow);
  background: #000;
}

.video-embed::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-embed--compact {
  max-width: 100%;
  margin-top: 0.65rem;
}

.video-placeholder {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(168, 85, 247, 0.35);
  background: rgba(16, 18, 40, 0.5);
}

.video-placeholder code {
  color: var(--cyan);
  font-size: 0.82rem;
}

.video-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 0.55rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  border: 1px solid rgba(236, 72, 153, 0.4);
}

.video-link-btn:hover,
.video-link-btn:focus-visible {
  filter: brightness(1.1);
}

.package-item img {
  width: min(160px, 100%);
  height: auto;
  max-height: 120px;
  object-fit: contain;
  background: linear-gradient(160deg, rgba(34, 211, 238, 0.06), rgba(168, 85, 247, 0.08));
  border-radius: 14px;
  padding: 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.package-media-hint {
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.package-media-hint code {
  color: var(--cyan);
  font-size: 0.75rem;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: none;
}

.hero-brand {
  margin: 0 0 0.65rem;
  font-family: var(--font-en);
  font-size: clamp(1.85rem, 7.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #ffffff 10%, var(--cyan) 55%, var(--blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 28px rgba(34, 211, 238, 0.28));
}

.hero h1,
.hero h2.desktop-hero-title {
  margin: 0;
  font-size: clamp(1.2rem, 3.6vw, 1.75rem);
  line-height: 1.35;
  font-weight: 600;
  max-width: 22ch;
  color: var(--text);
}

.hero-sub {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 34ch;
}

/* Mobile first page (sketch layout) */
.mobile-home {
  display: none;
}

.mobile-home-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}

.mobile-home-brand img {
  flex-shrink: 0;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.mobile-home-title {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(1.35rem, 6vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  background: linear-gradient(120deg, #fff 10%, var(--cyan) 55%, var(--blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mobile-home-lead {
  margin: 0 0 0.65rem;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--text);
}

.mobile-home-lead strong {
  font-family: var(--font-en);
  font-weight: 600;
  color: var(--cyan);
}

.mobile-home-sub {
  margin: 0 0 1.35rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.mobile-menu {
  display: grid;
  gap: 0.65rem;
}

.mobile-menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 56px;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.mobile-menu-item:hover,
.mobile-menu-item:focus-visible {
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.28);
}

.mobile-menu-arrow {
  flex-shrink: 0;
  font-size: 1.15rem;
  color: var(--cyan);
  font-weight: 700;
}

.mobile-menu-text {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.mobile-menu-text strong {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.mobile-menu-text small {
  font-size: 0.82rem;
  color: var(--muted);
  font-family: var(--font-en);
}

.desktop-hero-title {
  margin: 0;
  font-size: clamp(1.2rem, 3.6vw, 1.75rem);
  line-height: 1.35;
  font-weight: 600;
  max-width: 22ch;
  color: var(--text);
}

.price-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-top: 1.15rem;
  padding: 0.65rem 1rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.12), rgba(234, 88, 12, 0.1));
  border: 1px solid rgba(8, 145, 178, 0.3);
}

.price-chip strong {
  font-family: var(--font-en);
  font-size: 1.55rem;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.price-chip span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-visuals {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-rows: auto auto auto;
  gap: 0.85rem;
  animation: float-in 0.8s ease both;
}

.media-card {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.media-card img {
  width: 100%;
  object-fit: cover;
}

.media-card figcaption {
  padding: 0.55rem 0.75rem 0.7rem;
  font-size: 0.8rem;
  color: var(--muted);
  font-family: var(--font-en);
}

.media-card--product {
  grid-column: 1 / 2;
  grid-row: 1 / 4;
}

.media-card--product img {
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: linear-gradient(160deg, #0f1b2b, #152536);
  padding: 1rem;
}

.media-card--sensor img {
  aspect-ratio: 1;
  object-fit: contain;
  background: linear-gradient(160deg, #101c2c, #0d1826);
  padding: 0.75rem;
}

.media-card--app img,
.media-card--schedule img {
  aspect-ratio: 9 / 19;
  object-fit: contain;
  background: #eef1f5;
  padding: 0;
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections */
.section {
  padding: 3.5rem 0;
  position: relative;
}

.section > .container,
.section > .container.narrow {
  position: relative;
  z-index: 1;
}

.section-alt {
  position: relative;
  background: rgba(255, 255, 255, 0.45);
  border-block: 1px solid rgba(8, 145, 178, 0.1);
}

.section-alt::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.7;
}

#features.section-alt::before {
  background: radial-gradient(ellipse 80% 60% at 10% 50%, rgba(8, 145, 178, 0.14), transparent);
}

#compare.section-alt::before {
  background: radial-gradient(ellipse 80% 60% at 90% 50%, rgba(234, 88, 12, 0.12), transparent);
}

#package.section-alt::before {
  background: radial-gradient(ellipse 70% 55% at 50% 0%, rgba(37, 99, 235, 0.12), transparent);
}

#reviews.section-alt::before {
  background: radial-gradient(ellipse 70% 55% at 50% 100%, rgba(225, 29, 72, 0.1), transparent);
}

.section-head h2,
.section-problem h2,
.final-cta h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.45rem, 3.5vw, 2rem);
  line-height: 1.3;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head {
  margin-bottom: 1.75rem;
  max-width: 40rem;
  position: relative;
  z-index: 1;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

/* Problem */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.problem-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.problem-card span {
  display: block;
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.problem-card p {
  margin: 0;
  font-size: 0.98rem;
}

.solution-line {
  margin: 1.5rem 0 0;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.12), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(34, 211, 238, 0.22);
  font-weight: 700;
  font-size: 1.05rem;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, 0.35);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(34, 211, 238, 0.1);
  margin-bottom: 0.85rem;
  font-size: 1.2rem;
}

.feature-card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-en);
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Flow */
.flow {
  list-style: none;
  display: grid;
  gap: 0.35rem;
  max-width: 640px;
  margin-inline: auto;
}

.flow-step {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.price-chip--lg strong {
  font-size: 2rem;
}

.flow-badge {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-cool);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.55rem;
}

.flow-step h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-en);
  font-size: 1.05rem;
}

.flow-step p {
  margin: 0;
  color: var(--muted);
}

.flow-arrow {
  text-align: center;
  color: var(--cyan);
  font-size: 1.25rem;
  line-height: 1;
  list-style: none;
}

/* App section */
.app-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.app-stats {
  list-style: none;
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0 0.75rem;
}

.app-stats li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(8, 145, 178, 0.16);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 20px rgba(8, 80, 120, 0.06);
}

.home-stats-mobile li:nth-child(1),
.home-stats-live li:nth-child(1) { border-color: rgba(8, 145, 178, 0.4); }
.home-stats-mobile li:nth-child(2),
.home-stats-live li:nth-child(2) { border-color: rgba(37, 99, 235, 0.35); }
.home-stats-mobile li:nth-child(3),
.home-stats-live li:nth-child(3) { border-color: rgba(5, 150, 105, 0.4); }

.home-stats-mobile li:nth-child(1) strong,
.home-stats-live li:nth-child(1) strong { color: var(--cyan); }
.home-stats-mobile li:nth-child(2) strong,
.home-stats-live li:nth-child(2) strong { color: var(--blue); }
.home-stats-mobile li:nth-child(3) strong,
.home-stats-live li:nth-child(3) strong { color: var(--green); }

.app-stats span {
  color: var(--muted);
}

.app-stats strong {
  font-family: var(--font-en);
  font-size: 1.15rem;
}

.status-on {
  color: var(--green);
}

.note,
.asset-hint {
  color: var(--muted);
  font-size: 0.85rem;
}

.app-screenshots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.app-screenshot-card {
  margin: 0;
}

.app-screenshot-card img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  background: #eef1f5;
  box-shadow: var(--shadow);
  aspect-ratio: 9 / 19;
  object-fit: contain;
}

.app-screenshot-card figcaption {
  margin-top: 0.45rem;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  font-family: var(--font-en);
}

.app-shot {
  justify-self: center;
  width: min(280px, 100%);
}

.app-shot img {
  width: 100%;
  border-radius: 28px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  background: #0b1522;
}

.asset-hint {
  margin-top: 0.65rem;
  text-align: center;
}

.asset-hint code {
  font-size: 0.78rem;
  color: var(--cyan);
}

/* Interactive phone demo */
.demo-stage {
  justify-self: center;
  width: min(320px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.phone-device {
  position: relative;
  width: 100%;
  padding: 11px;
  border-radius: 44px;
  background:
    linear-gradient(160deg, #4a505a 0%, #2a2e36 22%, #14161a 70%, #0a0b0d 100%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 30px 70px rgba(0, 0, 0, 0.55),
    0 10px 24px rgba(0, 0, 0, 0.4),
    inset 0 1px 1px rgba(255, 255, 255, 0.18),
    inset 0 -2px 4px rgba(0, 0, 0, 0.4);
}

.phone-device::before {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 38px;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  z-index: 20;
}

.phone-bezel {
  position: relative;
  border-radius: 34px;
  overflow: hidden;
  background: #000;
}

.phone-island {
  position: absolute;
  top: 11px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 14;
  width: 96px;
  height: 28px;
  border-radius: 999px;
  background: #050505;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 11px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.phone-island-cam {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #5b7ea3, #102033 65%, #050b12);
  box-shadow: 0 0 0 2px #050505;
}

.phone-status {
  position: absolute;
  top: 14px;
  left: 20px;
  right: 20px;
  z-index: 13;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  pointer-events: none;
}

.phone-status-icons {
  opacity: 0.92;
  font-size: 0.64rem;
  letter-spacing: 0.03em;
}

.phone-btn {
  position: absolute;
  z-index: 5;
  background: linear-gradient(180deg, #3a3f48, #1c1f25);
  border-radius: 2px;
}

.phone-btn--silent {
  left: -2px;
  top: 105px;
  width: 3px;
  height: 24px;
}

.phone-btn--vol-up {
  left: -2px;
  top: 150px;
  width: 3px;
  height: 44px;
}

.phone-btn--vol-down {
  left: -2px;
  top: 202px;
  width: 3px;
  height: 44px;
}

.phone-btn--power {
  right: -2px;
  top: 172px;
  width: 3px;
  height: 64px;
}

.phone-screen {
  border-radius: 0;
  background: #e8eef2;
  border: 0;
  min-height: 560px;
  overflow: hidden;
}

.phone-screen--app {
  padding: 0;
  display: flex;
  flex-direction: column;
  background: #e8eef2;
  min-height: 590px;
  position: relative;
}

.phone-frame {
  display: contents;
}

.phone-notch {
  display: none;
}

.app-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 48px 0.65rem 0.75rem;
  background: #0288d1;
  color: #fff;
  border-radius: 0;
}

.app-bar-menu {
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
  border-radius: 8px;
}

.app-bar-menu:hover,
.app-bar-menu:focus-visible {
  background: rgba(255, 255, 255, 0.12);
}

.app-bar-menu:focus-visible {
  outline: 2px solid #81d4fa;
  outline-offset: 1px;
}

.app-bar-menu span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

.app-bar-text {
  flex: 1;
  min-width: 0;
}

.app-bar-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-bar-sub {
  margin: 0.12rem 0 0;
  font-size: 0.72rem;
  color: #e0f7fa;
  font-weight: 600;
}

/* Matches Flutter LabeledPumpSwitch */
.pump-switch {
  flex-shrink: 0;
  width: 78px;
  height: 34px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.35);
  padding: 3px;
  cursor: pointer;
  position: relative;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s ease;
}

.pump-switch-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 40px;
  height: calc(100% - 6px);
  border-radius: 16px;
  background: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #616161;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
  transition: left 0.15s ease, color 0.15s ease;
}

.pump-switch[aria-checked="true"] {
  background: #69f0ae;
  border-color: rgba(255, 255, 255, 0.55);
}

.pump-switch[aria-checked="true"] .pump-switch-thumb {
  left: calc(100% - 43px);
  color: #1b5e20;
}

.pump-switch:focus-visible {
  outline: 2px solid #81d4fa;
  outline-offset: 2px;
}

.phone-body--home {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.1rem 0.85rem 1.15rem;
  gap: 0.85rem;
}

.home-tank {
  position: relative;
  width: min(168px, 58%);
  aspect-ratio: 0.72;
  border-radius: 22px;
  border: 3px solid rgba(2, 136, 209, 0.28);
  background: linear-gradient(180deg, #f7fbff, #eef5f8);
  overflow: hidden;
  box-shadow: inset 0 0 18px rgba(2, 119, 189, 0.06);
}

.home-tank-water {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 18%;
  background: linear-gradient(180deg, #4fc3f7 0%, #29b6f6 45%, #0288d1 100%);
  z-index: 1;
}

.home-tank-water::before {
  content: "";
  position: absolute;
  top: -10px;
  left: -15%;
  width: 130%;
  height: 22px;
  border-radius: 40%;
  background: rgba(179, 229, 252, 0.75);
  animation: water-wave 2.4s ease-in-out infinite;
}

.home-tank.is-filling .home-tank-water::before {
  animation-duration: 1.1s;
}

.home-tank-bubbles {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.home-tank-bubbles i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  bottom: 12%;
  animation: bubble-rise 3.5s linear infinite;
  opacity: 0;
}

.home-tank-bubbles i:nth-child(1) { left: 18%; animation-delay: 0.2s; }
.home-tank-bubbles i:nth-child(2) { left: 38%; width: 5px; height: 5px; animation-delay: 1.1s; }
.home-tank-bubbles i:nth-child(3) { left: 55%; animation-delay: 0.7s; }
.home-tank-bubbles i:nth-child(4) { left: 70%; width: 6px; height: 6px; animation-delay: 1.8s; }
.home-tank-bubbles i:nth-child(5) { left: 82%; animation-delay: 2.4s; }

.home-tank.is-filling .home-tank-bubbles i {
  opacity: 1;
}

.home-tank-pct {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
}

.home-tank-pct strong {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.92);
  border: 2px solid rgba(2, 136, 209, 0.2);
  box-shadow: 0 8px 20px rgba(2, 119, 189, 0.12);
  color: #0277bd;
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 800;
}

.home-timer {
  position: relative;
  width: 148px;
  height: 148px;
  display: grid;
  place-items: center;
}

.timer-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer-track,
.timer-arc {
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
}

.timer-track {
  stroke: #cfd8dc;
}

.timer-arc {
  stroke: #0288d1;
  stroke-dasharray: 460;
  stroke-dashoffset: 80;
  opacity: 0;
}

.timer-center {
  position: relative;
  z-index: 1;
  text-align: center;
}

.timer-center strong {
  display: block;
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: 800;
  color: #37474f;
  letter-spacing: 0.02em;
}

.timer-center span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.7rem;
  color: #78909c;
  font-weight: 600;
}

.home-timer.is-running .timer-ring {
  animation: timer-spin 4s linear infinite;
}

.home-timer.is-running .timer-arc {
  opacity: 1;
}

.home-timer.is-running .timer-center strong {
  color: #0277bd;
}

@keyframes timer-spin {
  from {
    transform: rotate(-90deg);
  }
  to {
    transform: rotate(270deg);
  }
}

.home-live {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: #c8e6c9;
  color: #1b5e20;
  font-size: 0.78rem;
  font-weight: 700;
}

.home-liters {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: #263238;
  border-bottom: 2px solid rgba(38, 50, 56, 0.35);
  padding-bottom: 0.1rem;
  font-family: var(--font-en);
}

.home-auto-info,
.home-schedule-info {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: #546e7a;
  text-align: center;
}

.home-schedule-info {
  color: #5e35b1;
}

.phone-screen--app {
  position: relative;
}

.demo-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 8;
}

.side-menu {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(82%, 230px);
  z-index: 9;
  padding: 1rem 0.75rem;
  background: linear-gradient(165deg, #1b1036, #2a1758 50%, #0e1b3d);
  color: #fff;
  overflow-y: auto;
  animation: drawer-in 0.2s ease;
  box-shadow: 10px 0 28px rgba(0, 0, 0, 0.28);
}

.side-menu[hidden],
.auto-page[hidden],
.demo-drawer-backdrop[hidden] {
  display: none !important;
}

.side-menu-title {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 700;
}

.side-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 14px;
  padding: 0.7rem 0.65rem;
  margin-bottom: 0.55rem;
  cursor: pointer;
}

.side-menu-item strong {
  display: block;
  font-size: 0.82rem;
}

.side-menu-item small {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.6);
}

.side-ico {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.side-ico.green {
  background: rgba(57, 255, 20, 0.15);
  border: 1px solid rgba(57, 255, 20, 0.45);
  color: #39ff14;
}

.side-ico.purple {
  background: rgba(179, 136, 255, 0.15);
  border: 1px solid rgba(179, 136, 255, 0.5);
  color: #b388ff;
}

.auto-page {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  background: linear-gradient(155deg, #1b1036, #2a1758 48%, #0e1b3d);
  color: #fff;
  border-radius: 0;
  overflow: hidden;
  animation: drawer-in 0.2s ease;
}

.side-menu {
  border-radius: 0;
}

.demo-drawer-backdrop {
  border-radius: 0;
}

.schedule-page {
  background: linear-gradient(155deg, #1a1030, #3a1d6e 48%, #120b28);
}

/* App-matched Motor Timer Setup */
.sched-page {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  background: #f2f3f7;
  color: #212121;
  overflow: hidden;
  animation: drawer-in 0.2s ease;
}

.sched-page[hidden] {
  display: none !important;
}

.sched-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 48px 0.75rem 0.95rem;
  background: #5e35b1;
  color: #fff;
  border-radius: 0 0 22px 22px;
}

.sched-back,
.sched-add {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
  flex-shrink: 0;
}

.sched-add {
  background: rgba(255, 255, 255, 0.95);
  color: #5e35b1;
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1;
}

.sched-header-text {
  flex: 1;
  min-width: 0;
}

.sched-header-text strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
}

.sched-header-text p {
  margin: 0.15rem 0 0;
  font-size: 0.72rem;
  opacity: 0.9;
}

.sched-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 0.85rem 0.75rem 1.1rem;
}

.sched-card {
  background: #fff;
  border-radius: 16px;
  padding: 0.8rem 0.75rem;
  box-shadow: 0 4px 14px rgba(33, 33, 33, 0.06);
  margin-bottom: 0.65rem;
}

.sched-delay-card {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.sched-delay-ico {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(94, 53, 177, 0.12);
  color: #5e35b1;
  flex-shrink: 0;
}

.sched-delay-copy {
  flex: 1;
  min-width: 0;
}

.sched-delay-copy strong {
  display: block;
  font-size: 0.86rem;
}

.sched-delay-copy p {
  margin: 0.15rem 0 0;
  font-size: 0.68rem;
  color: #78909c;
  line-height: 1.3;
}

.sched-delay-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}

.sched-delay-actions input {
  width: 48px;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 0.4rem 0.35rem;
  text-align: center;
  font: inherit;
  font-weight: 700;
}

.sched-sec {
  font-size: 0.75rem;
  color: #78909c;
  font-weight: 700;
}

.sched-check {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: #5e35b1;
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.sched-list {
  display: grid;
  gap: 0.55rem;
}

.sched-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: #fff;
  border-radius: 16px;
  padding: 0.7rem 0.65rem;
  box-shadow: 0 4px 14px rgba(33, 33, 33, 0.05);
}

.sched-item.is-off {
  opacity: 0.55;
}

.sched-item-ico {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(94, 53, 177, 0.12);
  color: #5e35b1;
  flex-shrink: 0;
}

.sched-item.is-off .sched-item-ico {
  background: #eceff1;
  color: #90a4ae;
}

.sched-item-main {
  flex: 1;
  min-width: 0;
  cursor: pointer;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 0;
}

.sched-item-time {
  display: block;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 0.88rem;
  color: #212121;
}

.sched-item-time .on {
  color: #2e7d32;
}

.sched-item-time .off {
  color: #c62828;
}

.sched-item-time .arrow {
  color: #90a4ae;
  font-weight: 600;
  margin: 0 0.2rem;
}

.sched-item-dur {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.7rem;
  color: #78909c;
}

.sched-item-toggle {
  position: relative;
  width: 42px;
  height: 24px;
  flex-shrink: 0;
}

.sched-item-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.sched-item-toggle span {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #cfd8dc;
  cursor: pointer;
}

.sched-item-toggle span::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.15s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.sched-item-toggle input:checked + span {
  background: #5e35b1;
}

.sched-item-toggle input:checked + span::after {
  transform: translateX(18px);
}

.sched-del {
  border: 0;
  background: transparent;
  color: #90a4ae;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.2rem;
}

.sched-limit {
  margin: 0.75rem 0 0;
  text-align: center;
  font-size: 0.72rem;
  color: #90a4ae;
}

.sched-editor {
  position: absolute;
  inset: 0;
  z-index: 12;
  background: rgba(0, 0, 0, 0.35);
  display: grid;
  align-items: end;
}

.sched-editor[hidden] {
  display: none !important;
}

.sched-editor-sheet {
  background: #fff;
  border-radius: 22px 22px 0 0;
  padding: 1rem 0.9rem 1.15rem;
  display: grid;
  gap: 0.7rem;
}

.sched-editor-sheet strong {
  font-size: 1rem;
}

.sched-editor-sheet label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #546e7a;
}

.sched-editor-sheet input[type="time"] {
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 0.65rem 0.7rem;
  font: inherit;
  color: #212121;
}

.sched-editor-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-top: 0.2rem;
}

.sched-btn-ghost,
.sched-btn-fill {
  border: 0;
  border-radius: 12px;
  padding: 0.75rem;
  font-weight: 800;
  cursor: pointer;
}

.sched-btn-ghost {
  background: #eceff1;
  color: #455a64;
}

.sched-btn-fill {
  background: #5e35b1;
  color: #fff;
}

.neon-cyan {
  color: #00e5ff;
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
}

.neon-purple {
  color: #b388ff;
  text-shadow: 0 0 12px rgba(179, 136, 255, 0.4);
}

.schedule-page input[type="time"] {
  width: 100%;
  margin-top: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font: inherit;
  color-scheme: dark;
}

.schedule-save {
  background: #b388ff;
  color: #1a1030;
  box-shadow: 0 0 18px rgba(179, 136, 255, 0.35);
}

@keyframes drawer-in {
  from {
    opacity: 0.5;
    transform: translateX(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.auto-page-bar {
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 0.7rem 0.75rem 0.5rem;
}

.auto-page-bar strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
}

.auto-page-bar p {
  margin: 0.15rem 0 0;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.6);
}

.auto-back {
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  width: 32px;
  height: 32px;
  cursor: pointer;
  padding: 0;
}

.auto-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 0.35rem 0.75rem 1rem;
  display: grid;
  gap: 0.7rem;
}

.auto-glass {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  padding: 0.75rem;
  backdrop-filter: blur(10px);
}

.auto-glass > strong {
  display: block;
  font-size: 0.9rem;
}

.auto-glass > p,
.auto-card-top p,
.auto-mode-row p {
  margin: 0.2rem 0 0;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.35;
}

.auto-mode-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 0.7rem;
}

.auto-mode-row strong {
  font-size: 0.9rem;
}

.auto-toggle {
  position: relative;
  width: 46px;
  height: 28px;
  flex-shrink: 0;
}

.auto-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.auto-toggle span {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  cursor: pointer;
  transition: background 0.2s ease;
}

.auto-toggle span::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s ease;
}

.auto-toggle input:checked + span {
  background: rgba(57, 255, 20, 0.55);
}

.auto-toggle input:checked + span::after {
  transform: translateX(18px);
}

.auto-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.auto-card-top strong {
  font-size: 0.9rem;
}

.auto-card-top em {
  font-style: normal;
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 800;
}

.neon-green {
  color: #39ff14;
  text-shadow: 0 0 12px rgba(57, 255, 20, 0.45);
}

.neon-red {
  color: #ff2d55;
  text-shadow: 0 0 12px rgba(255, 45, 85, 0.4);
}

.auto-glass input[type="range"] {
  width: 100%;
  accent-color: #39ff14;
  margin: 0.2rem 0 0;
}

.auto-glass:nth-of-type(3) input[type="range"] {
  accent-color: #ff2d55;
}

.auto-glass input[type="number"] {
  width: 100%;
  margin-top: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font: inherit;
}

.demo-save-btn {
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 0.75rem 0.85rem;
  background: #39ff14;
  color: #06210a;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(57, 255, 20, 0.35);
}

.demo-drawer-note {
  margin: 0;
  text-align: center;
  color: #39ff14;
  font-size: 0.85rem;
  font-weight: 800;
}

.outside-hint {
  margin-top: 0.75rem;
  text-align: center;
}

@keyframes water-wave {
  0%,
  100% {
    transform: translateX(0) scaleY(1);
  }
  50% {
    transform: translateX(8%) scaleY(1.2);
  }
}

@keyframes bubble-rise {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  15% {
    opacity: 0.7;
  }
  100% {
    transform: translateY(-90px);
    opacity: 0;
  }
}

.phone-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.phone-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  padding: 0.75rem;
}

.phone-card span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  margin-bottom: 0.25rem;
}

.phone-card strong {
  font-family: var(--font-en);
  font-size: 1rem;
  color: var(--green);
}

.phone-motor-row {
  display: grid;
  gap: 1rem;
  justify-items: center;
  padding: 1rem 0.75rem;
  border-radius: 18px;
  background: rgba(7, 16, 28, 0.9);
  border: 1px solid rgba(34, 211, 238, 0.15);
}

.demo-devices {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1rem;
  width: 100%;
}

.tank-visual {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
}

.tank-shell {
  position: relative;
  width: 72px;
  height: 100px;
  border-radius: 10px 10px 14px 14px;
  border: 3px solid rgba(157, 176, 197, 0.4);
  background: linear-gradient(180deg, rgba(15, 28, 42, 0.4), rgba(8, 16, 28, 0.9));
  overflow: hidden;
  box-shadow: inset 0 0 16px rgba(0, 0, 0, 0.35);
}

.tank-shell::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 6px;
  border-radius: 4px;
  background: rgba(157, 176, 197, 0.35);
  z-index: 3;
}

.tank-water {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 18%;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.85), rgba(14, 116, 144, 0.95));
  transition: none;
  z-index: 1;
}

.tank-water::before {
  content: "";
  position: absolute;
  top: -6px;
  left: -20%;
  width: 140%;
  height: 14px;
  border-radius: 40%;
  background: rgba(125, 211, 252, 0.55);
  animation: water-wave 2.2s ease-in-out infinite;
}

.tank-visual.is-filling .tank-water::before {
  animation-duration: 1.1s;
}

.tank-marks {
  position: absolute;
  inset: 18px 8px 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 2;
  pointer-events: none;
}

.tank-marks span {
  display: block;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.motor-visual {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
}

.motor-body {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 35% 30%, #24364d, #101b29 70%);
  border: 3px solid rgba(157, 176, 197, 0.25);
  box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.45);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.motor-fan {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background:
    conic-gradient(
      from 0deg,
      #22d3ee 0 20%,
      transparent 20% 25%,
      #3b82f6 25% 45%,
      transparent 45% 50%,
      #22d3ee 50% 70%,
      transparent 70% 75%,
      #3b82f6 75% 95%,
      transparent 95% 100%
    );
  position: relative;
  transition: filter 0.25s ease;
}

.motor-fan::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  background: #0b1522;
  border: 2px solid #34d399;
}

.motor-label {
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--muted);
}

.motor-visual.is-on .motor-body {
  border-color: rgba(52, 211, 153, 0.65);
  box-shadow:
    inset 0 0 18px rgba(0, 0, 0, 0.45),
    0 0 22px rgba(52, 211, 153, 0.25);
}

.motor-visual.is-on .motor-fan {
  animation: motor-spin 0.55s linear infinite;
  filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.45));
}

.motor-visual.is-on .motor-label {
  color: var(--green);
}

@keyframes motor-spin {
  to {
    transform: rotate(360deg);
  }
}

.switch-wrap {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
  width: 100%;
}

.switch-caption {
  font-weight: 700;
  font-size: 0.92rem;
}

.motor-switch {
  position: relative;
  width: min(100%, 220px);
  height: 56px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  background: #243246;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: background 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}

.motor-switch-knob {
  position: absolute;
  top: 5px;
  left: 5px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #e8eef6;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  transition: left 0.25s ease, background 0.25s ease;
  z-index: 2;
}

.motor-switch-on,
.motor-switch-off {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  z-index: 1;
}

.motor-switch-on {
  left: 22px;
  color: rgba(255, 255, 255, 0.35);
}

.motor-switch-off {
  right: 22px;
  color: #c5d0dc;
}

.motor-switch[aria-checked="true"] {
  background: linear-gradient(135deg, #059669, #10b981);
}

.motor-switch[aria-checked="true"] .motor-switch-knob {
  left: calc(100% - 51px);
  background: #fff;
}

.motor-switch[aria-checked="true"] .motor-switch-on {
  color: #ecfdf5;
}

.motor-switch[aria-checked="true"] .motor-switch-off {
  color: rgba(255, 255, 255, 0.35);
}

.motor-switch:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.phone-hint {
  margin: 0.9rem 0 0;
  text-align: center;
  color: var(--cyan);
  font-size: 0.85rem;
  font-weight: 600;
}

#demo-status-label.is-off {
  color: var(--muted);
}

/* Package */
.package-options {
  display: grid;
  gap: 1rem;
  max-width: 820px;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .package-options {
    grid-template-columns: 1fr 1fr;
  }
}

.package-option {
  display: grid;
  gap: 0.85rem;
  padding: 1.15rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(160deg, rgba(20, 22, 50, 0.95), rgba(10, 12, 28, 0.95));
  box-shadow: var(--shadow);
}

.package-option--featured {
  border-color: rgba(56, 189, 248, 0.35);
  background: linear-gradient(160deg, rgba(20, 28, 55, 0.98), rgba(12, 16, 36, 0.98));
}

.package-option-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.package-option-head img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.35rem;
}

.package-option-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.package-breakdown {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.package-breakdown li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.9rem;
}

.package-breakdown strong {
  font-family: var(--font-en);
  font-weight: 700;
  white-space: nowrap;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.package-cable-rate {
  font-family: var(--font-en);
  font-weight: 700;
  background: none !important;
  -webkit-background-clip: unset;
  background-clip: unset;
  color: var(--cyan) !important;
}

.package-shared {
  margin-top: 1.25rem;
  text-align: center;
}

.package-controller {
  margin: 0 auto;
  max-width: 280px;
}

.package-controller img {
  width: min(100%, 220px);
  margin-inline: auto;
  object-fit: contain;
}

.package-controller figcaption {
  margin-top: 0.45rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.package-card {
  position: relative;
  max-width: 720px;
  margin-inline: auto;
  background: linear-gradient(160deg, rgba(20, 22, 50, 0.95), rgba(10, 12, 28, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.package-card::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 2px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--cyan), var(--blue), var(--purple), var(--pink), var(--orange));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.package-items {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.package-item {
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  text-align: center;
  min-width: 140px;
}

.package-item span {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.92rem;
}

.package-item-price {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 700;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.package-plus {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cyan);
}

.package-sensor-options {
  display: grid;
  gap: 0.65rem;
  justify-items: center;
  width: 100%;
}

.package-sensor-label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.package-sensor-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1rem;
}

.package-item--sensor {
  padding: 0.75rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.package-sensor-or {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
}

.package-prices {
  display: grid;
  gap: 0.75rem;
  margin: 1.35rem 0 0.85rem;
}

@media (min-width: 520px) {
  .package-prices {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

.package-option .package-price {
  margin: 0;
  padding: 0.75rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.package-price {
  text-align: center;
  margin: 0;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.package-price--featured {
  border-color: rgba(56, 189, 248, 0.35);
  background: linear-gradient(160deg, rgba(56, 189, 248, 0.12), rgba(139, 92, 246, 0.08));
}

.package-price span {
  display: block;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.package-price strong {
  font-family: var(--font-en);
  font-size: clamp(2rem, 6vw, 2.6rem);
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.package-meta {
  list-style: none;
  text-align: center;
  color: var(--muted);
  margin: 1.25rem 0 0.5rem;
}

.package-meta li + li {
  margin-top: 0.25rem;
}

.section-problem .narrow {
  text-align: center;
}

.intro-lead {
  margin: 0.75rem auto 0;
  max-width: 42rem;
  text-align: center;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.65;
}

.intro-lead strong {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--font-en);
  font-weight: 600;
}

.benefit-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
}

.benefit-list li {
  position: relative;
  padding: 0.85rem 0.95rem 0.85rem 2.35rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(8, 145, 178, 0.14);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  line-height: 1.45;
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 16px rgba(8, 80, 120, 0.05);
}

.benefit-list li:nth-child(6n + 1) { border-left: 3px solid var(--cyan); }
.benefit-list li:nth-child(6n + 2) { border-left: 3px solid var(--blue); }
.benefit-list li:nth-child(6n + 3) { border-left: 3px solid var(--purple); }
.benefit-list li:nth-child(6n + 4) { border-left: 3px solid var(--pink); }
.benefit-list li:nth-child(6n + 5) { border-left: 3px solid var(--green); }
.benefit-list li:nth-child(6n + 6) { border-left: 3px solid var(--orange); }

.benefit-list li::before {
  content: "✓";
  position: absolute;
  left: 0.85rem;
  top: 0.85rem;
  font-weight: 700;
}

.benefit-list li:nth-child(6n + 1)::before { color: var(--cyan); }
.benefit-list li:nth-child(6n + 2)::before { color: var(--blue); }
.benefit-list li:nth-child(6n + 3)::before { color: var(--purple); }
.benefit-list li:nth-child(6n + 4)::before { color: var(--pink); }
.benefit-list li:nth-child(6n + 5)::before { color: var(--green); }
.benefit-list li:nth-child(6n + 6)::before { color: var(--orange); }

.benefit-list--compact li {
  padding-block: 0.75rem;
  font-size: 0.92rem;
}

.compare-list {
  list-style: none;
  counter-reset: compare;
  display: grid;
  gap: 0.85rem;
}

.compare-list li {
  counter-increment: compare;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(8, 145, 178, 0.14);
  border-radius: var(--radius);
  padding: 1rem 1rem 1rem 3.25rem;
  position: relative;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 20px rgba(8, 80, 120, 0.05);
}

.compare-list li:nth-child(odd) {
  border-left: 3px solid var(--orange);
}

.compare-list li:nth-child(even) {
  border-left: 3px solid var(--cyan);
}

.compare-list li::before {
  content: counter(compare);
  position: absolute;
  left: 1rem;
  top: 1rem;
  width: 1.65rem;
  height: 1.65rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}

.compare-list li:nth-child(odd)::before {
  background: linear-gradient(135deg, var(--orange), var(--pink));
}

.compare-list li:nth-child(even)::before {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
}

.compare-list strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.compare-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Why choose */
.check-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.check-list li {
  background: var(--card);
  border: 1px solid rgba(52, 211, 153, 0.18);
  border-radius: var(--radius-sm);
  padding: 0.95rem 1rem;
  font-weight: 600;
}

/* Warranty */
.section-warranty {
  padding-block: 2.75rem;
}

.warranty-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.warranty-card {
  border-radius: var(--radius);
  padding: 1.4rem 1.2rem;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(8, 145, 178, 0.16);
}

.warranty-grid .warranty-card:nth-child(1) {
  background: linear-gradient(160deg, rgba(8, 145, 178, 0.16), #ffffff);
  border-color: rgba(8, 145, 178, 0.35);
}

.warranty-grid .warranty-card:nth-child(2) {
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.14), #ffffff);
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.1);
}

.warranty-grid .warranty-card:nth-child(3) {
  background: linear-gradient(160deg, rgba(5, 150, 105, 0.14), #ffffff);
  border-color: rgba(5, 150, 105, 0.35);
}

.warranty-card--accent {
  border-color: rgba(37, 99, 235, 0.45);
}

.warranty-grid .warranty-card:nth-child(1) .warranty-label { color: var(--cyan); }
.warranty-grid .warranty-card:nth-child(2) .warranty-label { color: var(--purple); }
.warranty-grid .warranty-card:nth-child(3) .warranty-label { color: var(--green); }

.warranty-label {
  margin: 0 0 0.4rem;
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.warranty-card h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.35;
}

/* Reviews */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.review-card {
  border-radius: var(--radius);
  padding: 1.35rem;
  min-height: 140px;
  display: grid;
  place-items: center;
  text-align: center;
}

.review-placeholder {
  border: 1px dashed rgba(157, 176, 197, 0.45);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
}

.review-placeholder p {
  margin: 0;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.65rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(8, 145, 178, 0.16);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.9rem;
  box-shadow: 0 6px 16px rgba(8, 80, 120, 0.05);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 0;
  font-weight: 700;
  position: relative;
  padding-right: 1.75rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cyan);
  font-size: 1.2rem;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0 0 1rem;
  color: var(--muted);
}

/* Final CTA */
.final-cta {
  padding-bottom: 4rem;
}

.final-inner {
  text-align: center;
  background:
    linear-gradient(160deg, #ffffff 0%, #e8f9ff 55%, #fff4e8 100%),
    radial-gradient(ellipse at 20% 0%, rgba(8, 145, 178, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(234, 88, 12, 0.12), transparent 50%);
  border: 1px solid rgba(8, 145, 178, 0.22);
  border-radius: 24px;
  padding: 2rem 1.25rem;
  box-shadow: var(--shadow);
}

.final-inner p {
  color: var(--muted);
  max-width: 36rem;
  margin: 0.65rem auto 0;
}

.final-inner .price-chip {
  margin-top: 1.25rem;
}

.phone-line {
  margin-top: 1.15rem !important;
  font-weight: 600;
}

.phone-line a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.5rem 0 1.75rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  color: var(--muted);
}

.footer-inner strong {
  display: block;
  color: var(--text);
  font-family: var(--font-en);
}

.footer-inner p {
  margin: 0.15rem 0 0;
}


/* Sticky CTA */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.6rem calc(0.55rem + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(8, 145, 178, 0.18);
  box-shadow: 0 -8px 28px rgba(8, 80, 120, 0.12);
}

.sticky-cta::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--orange), var(--pink));
  opacity: 0.95;
}

.sticky-cta .btn {
  flex: 1;
  min-height: 48px;
  padding-inline: 0.45rem;
  font-size: 0.88rem;
  white-space: normal;
  line-height: 1.15;
}

.sticky-cta .btn-call {
  flex: 0 0 auto;
  min-width: 64px;
}

@media (min-width: 901px) {
  .sticky-cta { display: none; }
  body { padding-bottom: 0; }
  .mobile-call-link { display: none !important; }
  .home-stats-mobile { display: none !important; }
  .home-shots {
    max-width: none;
    margin-top: 1.75rem;
    grid-template-columns: repeat(2, minmax(0, 180px));
    justify-content: start;
    margin-inline: 0;
  }
  .home-quick-nav {
    margin-top: 1.75rem;
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 900px) {
  :root { --header-h: 60px; --sticky-h: 78px; }
  .site-header { display: none; }
  html { scroll-padding-top: 12px; }
  .home-landing { padding: 1rem 0 1.5rem; }
  .home-stack {
    gap: 0.9rem;
  }
  .home-top { text-align: center; }
  .home-lead { max-width: none; margin-inline: auto; }
  .home-meta { justify-content: center; }
  .home-demo-hint--above {
    display: none;
  }
  .home-cta,
  .home-note { display: none; }
  .home-stats-live {
    display: grid !important;
    width: 100%;
    margin-bottom: 0.35rem;
  }
  .price-calc {
    display: block;
    width: 100%;
  }
  .home-stats-mobile {
    display: none !important;
  }
  .home-demo-wrap .demo-stage {
    width: min(100%, min(360px, calc(100vw - 1.5rem)));
  }
  .promo-poster--home {
    border-radius: 14px;
  }
  .home-shots { max-width: none; }
  .nav-toggle { display: none; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; display: none;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 0.5rem 1rem 1.1rem; background: rgba(8, 13, 22, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    padding: 1rem 0.35rem; min-height: 48px; display: flex; align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05); font-size: 1.02rem;
  }
  .site-nav .btn { margin-top: 0.65rem; width: 100%; min-height: 50px; }
  .hero-grid, .app-layout { grid-template-columns: 1fr; gap: 1.25rem; }
  .hero h1,
  .hero h2.desktop-hero-title { max-width: none; font-size: clamp(1.35rem, 6.2vw, 1.85rem); }
  .mobile-call-link { display: inline-flex; }
  .btn-demo-jump { width: 100%; border-color: rgba(255, 255, 255, 0.35); }
  .problem-grid, .feature-grid, .warranty-grid, .review-grid,
  .benefit-list { grid-template-columns: 1fr 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .hero-visuals { grid-template-columns: 1fr 1fr; }
  .media-card--product { grid-column: 1 / -1; }
  .media-card--product img { aspect-ratio: 16 / 10; }
  .media-card--app,
  .media-card--schedule { display: none; }
  .app-layout { display: flex; flex-direction: column; }
  .demo-stage {
    order: -1; width: min(100%, 360px); margin-inline: auto;
    overflow: hidden; padding-inline: 4px;
  }
  .app-copy { text-align: center; }
  .app-stats { text-align: left; }
  .faq-item summary { min-height: 52px; display: flex; align-items: center; font-size: 1rem; }
  input, textarea, select { font-size: 16px !important; }
}

@media (max-width: 600px) {
  .container { width: calc(100% - 1rem); }
  .section { padding: 2.25rem 0; }
  .problem-grid, .feature-grid, .warranty-grid, .review-grid,
  .benefit-list { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; }
  .cta-row .btn { width: 100%; }
  .hero-visuals { grid-template-columns: 1fr; }
  .media-card--sensor { display: none; }
  .package-card { padding: 1rem; }
  .package-item { min-width: 100%; }
  .btn { white-space: normal; }
  .sticky-cta .btn { font-size: 0.82rem; padding-inline: 0.35rem; }
  .phone-btn { display: none; }
  .home-tank { width: min(150px, 52%); }
  .home-timer { width: 132px; height: 132px; }
  .final-inner { padding: 1.35rem 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}