:root {
  --ink: #1e2e57;
  --ink-soft: #4a5d7f;
  --sky: #e7f1fb;
  --teal: #0f6ea8;
  --teal-deep: #0b5a8b;
  --amber: #2f3591;
  --steel: #747a81;
  --steel-light: #c8cdd3;
  --paper: #f9fbfd;
  --white: #ffffff;
  --line: #dbe7f0;
  --radius: 16px;
  --shadow: 0 12px 30px rgba(16, 42, 67, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Trebuchet MS", Verdana, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 15%, #e3eef9 0%, #f5f8fc 44%, #f3f6fb 100%);
  scroll-behavior: smooth;
}

.top-band {
  background: linear-gradient(120deg, var(--teal-deep), var(--teal), #2f3591);
  color: var(--white);
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 0.92rem;
  letter-spacing: 0.4px;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid #d2dce8;
  box-shadow: 0 8px 20px rgba(11, 90, 139, 0.16);
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
}

nav a:hover {
  color: var(--teal-deep);
  background: #e8f3fc;
}

nav a.active {
  color: var(--white);
  background: var(--teal-deep);
}

.home-banner {
  max-width: 1120px;
  min-height: 300px;
  margin: 1.5rem auto 0;
  padding: 2.5rem 1rem;
  display: flex;
  align-items: center;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(90deg, rgba(7, 40, 74, 0.96) 0%, rgba(11, 90, 139, 0.82) 55%, rgba(15, 110, 168, 0.48) 100%),
    url("https://lh3.googleusercontent.com/gps-cs-s/AHRPTWmFZtSYLB309S9tXmhhiNq0fyqqWVA6rsXyPRicXJerROfcMZ2VAnol3Njo7mh1L0TromglPeDWcMQICu4a4wfSJ-gaHOQfjGndu3CoLum346Gm2lfnyuLMFWGYF_yzgNOmpRTvVoxI0-Fq=w203-h153-k-no") center / cover;
  box-shadow: var(--shadow);
}

.home-banner::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  box-shadow: 0 0 0 28px rgba(255, 255, 255, 0.06), 0 0 0 56px rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.home-banner-content {
  max-width: 620px;
  position: relative;
  z-index: 1;
  color: var(--white);
}

.home-banner .eyebrow {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.32);
  color: var(--white);
}

.home-banner h2 {
  margin: 0.75rem 0 0.55rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.08;
}

.home-banner p {
  margin: 0;
  color: #e2f1fb;
  font-size: 1.05rem;
  line-height: 1.5;
}

.btn-banner {
  display: inline-block;
  margin-top: 1.25rem;
  background: var(--white);
  color: var(--teal-deep);
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 4.2rem 1rem 2.2rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.home-contact {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1rem 1.8rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.home-contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 6px 18px rgba(16, 42, 67, 0.08);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.home-contact-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.home-contact-item strong {
  color: var(--ink-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.home-contact-item span {
  color: var(--teal-deep);
  font-weight: 700;
}

.eyebrow {
  display: inline-block;
  background: #e7f2fb;
  color: #0b5a8b;
  border: 1px solid #c8ddf1;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

h1 {
  margin: 0.9rem 0 0.8rem;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.06rem;
  line-height: 1.6;
}

.cta-row {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 0.8rem 1.1rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.96rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -40% auto auto -20%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 110, 168, 0.2), rgba(15, 110, 168, 0));
  pointer-events: none;
}

.hero-card h3 {
  margin: 0.2rem 0 0.7rem;
  font-size: 1.1rem;
}

.meta-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
  color: var(--ink-soft);
  position: relative;
}

.meta-list strong {
  color: var(--ink);
}

section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.8rem 1rem;
}

.section-title {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.section-sub {
  margin: 0 0 1.3rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 760px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: 0 6px 18px rgba(16, 42, 67, 0.08);
}

.service-image {
  width: calc(100% + 2.2rem);
  height: 170px;
  margin: -1.1rem -1.1rem 1rem;
  display: block;
  object-fit: cover;
}

.service-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.service-grid .card {
  grid-column: span 2;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-grid .card:nth-child(4),
.service-grid .card:nth-child(5) {
  grid-column: span 3;
}

.service-grid .card p {
  flex: 1;
}

.span-6 {
  grid-column: span 6;
}

.span-4 {
  grid-column: span 4;
}

.card h3 {
  margin: 0 0 0.5rem;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.service-tags {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.service-tags span {
  background: #edf5fc;
  color: #2f3591;
  border: 1px solid #d5e5f5;
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.timeline {
  display: grid;
  gap: 0.8rem;
}

.timeline-item {
  border-left: 4px solid var(--teal);
  background: #eef5fb;
  border-radius: var(--radius);
  padding: 1rem;
  overflow: hidden;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 0 1.2rem;
  align-items: center;
}

.product-image {
  width: 180px;
  height: 125px;
  margin: 0;
  display: block;
  object-fit: cover;
  border-radius: 10px;
  grid-row: 1;
  grid-column: 1;
}

.product-info {
  grid-row: 1;
  grid-column: 2;
  min-width: 0;
}

.product-info strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-size: 1.08rem;
}

.product-info p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.valve-selector-label {
  display: block;
  margin-top: 0.8rem;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
}

.valve-selector {
  width: 100%;
  margin-top: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0.65rem 0.75rem;
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.valve-selector:focus {
  outline: 2px solid rgba(15, 110, 168, 0.25);
  border-color: var(--teal);
}

.product-note {
  display: block;
  margin-top: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.45;
}

.product-note b {
  color: var(--teal-deep);
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.photo-card {
  grid-column: span 4;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(16, 42, 67, 0.08);
  overflow: hidden;
}

.photo-card.wide {
  grid-column: span 6;
}

.photo-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.photo-card figcaption {
  padding: 0.75rem 0.9rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.4;
}

.pdf-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

iframe {
  width: 100%;
  height: 680px;
  border: 0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 1rem;
  align-items: start;
}

.contact-card {
  background: linear-gradient(140deg, #ffffff, #edf4fb);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.map-link {
  display: inline-block;
  margin: 0.4rem 0 1rem;
}

.map-frame {
  height: 260px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

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

.contact-list a {
  color: var(--teal-deep);
  text-decoration: none;
  font-weight: 700;
}

.contact-list a:hover {
  text-decoration: underline;
}

.contact-form-section {
  max-width: 1120px;
  padding-top: 0.5rem;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-field {
  display: grid;
  gap: 0.35rem;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-field label {
  color: var(--ink);
  font-weight: 700;
  font-size: 0.92rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  color: var(--ink);
  background: #fbfdff;
  font: inherit;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(15, 110, 168, 0.25);
  border-color: var(--teal);
}

.footer {
  margin-top: 2rem;
  background: #1e2e57;
  color: #d2e5f5;
  padding: 1.2rem 1rem;
  text-align: center;
  font-size: 0.92rem;
}

.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  min-height: 48px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: #168c4b;
  color: var(--white);
  box-shadow: 0 10px 24px rgba(22, 140, 75, 0.3);
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease;
}

.whatsapp-float:hover {
  background: #10723c;
  transform: translateY(-2px);
}

.install-app-button {
  position: fixed;
  right: 1.25rem;
  bottom: 4.9rem;
  z-index: 30;
  border: 1px solid var(--teal-deep);
  border-radius: 999px;
  padding: 0.65rem 1rem;
  background: var(--white);
  color: var(--teal-deep);
  box-shadow: var(--shadow);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.install-app-button:hover {
  background: #e8f3fc;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 940px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .home-contact {
    grid-template-columns: 1fr;
  }

  .span-6,
  .span-4 {
    grid-column: span 12;
  }

  .service-grid .card,
  .service-grid .card:nth-child(4),
  .service-grid .card:nth-child(5) {
    grid-column: span 6;
  }

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

  iframe {
    height: 520px;
  }

  .photo-card,
  .photo-card.wide {
    grid-column: span 6;
  }
}

@media (max-width: 560px) {
  .whatsapp-float {
    right: 0.85rem;
    bottom: 0.85rem;
    min-width: 118px;
    min-height: 44px;
    padding: 0.6rem 0.8rem;
    font-size: 0.9rem;
  }

  .install-app-button {
    right: 0.85rem;
    bottom: 4.8rem;
  }

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

  .form-field-full {
    grid-column: auto;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .product-image,
  .product-info {
    grid-column: 1;
  }

  .product-info {
    grid-row: 2;
  }

  .product-image {
    width: 100%;
    height: 150px;
  }

  .service-grid .card,
  .service-grid .card:nth-child(4),
  .service-grid .card:nth-child(5) {
    grid-column: span 12;
  }

  .home-banner {
    min-height: 360px;
    margin: 1rem;
    padding: 2rem 1.25rem;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    gap: 0.6rem;
  }

  iframe {
    height: 420px;
  }

  .photo-card,
  .photo-card.wide {
    grid-column: span 12;
  }

  .photo-card img {
    height: 220px;
  }
}