/* Corporate palette and shared layout tokens. No build or external assets required. */
:root {
  --ink:#173c45;
  --muted:#52666a;
  --paper:#faf9f5;
  --sand:#f0eee5;
  --line:#d7ded7;
  --brand:#123e49;
  --accent:#d8edb6;
  --teal:#286d68;
  --radius:8px;
  --container:1160px;
}

* {
  box-sizing:border-box;
}

html {
  scroll-behavior:smooth;
  scroll-padding-top:110px;
}

body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:Arial,Helvetica,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

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

button,input,select {
  font:inherit;
}

button,a,input,select,summary {
  -webkit-tap-highlight-color:transparent;
}

button,a,select,summary {
  touch-action:manipulation;
}

a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible {
  outline:3px solid #a66a25;
  outline-offset:5px;
}

h1,h2,h3,p {
  margin:0;
}

h1,h2,h3 {
  line-height:1.1;
}

h2 {
  font-size:clamp(30px,3.3vw,44px);
  letter-spacing:-1.6px;
  font-weight:600;
}

h3 {
  font-size:21px;
  letter-spacing:-.5px;
}

em {
  font-family:Georgia,'Times New Roman',serif;
  font-weight:400;
  color:var(--teal);
}

.container {
  width:min(var(--container),calc(100% - 80px));
  margin-inline:auto;
}

.section {
  padding:88px 0;
}

.eyebrow {
  font-size:11px;
  font-weight:700;
  letter-spacing:1.65px;
  margin-bottom:24px;
  line-height:1.6;
}

.topline {
  background:var(--brand);
  color:#e3ece7;
  font-size:11px;
  letter-spacing:.35px;
}

.topline .container {
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding-block:9px;
}

.topline a {
  text-decoration:underline;
  text-underline-offset:3px;
}

.header {
  position:sticky;
  top:0;
  z-index:10;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}

.header-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  min-height:90px;
}

.brand {
  display:flex;
  align-items:center;
  gap:9px;
  flex-shrink:0;
}

.brand>span {
  font-size:10px;
  letter-spacing:3.1px;
  font-weight:700;
  line-height:1.3;
}

.brand strong {
  display:block;
  font-size:21px;
  letter-spacing:-.5px;
}

.brand-dot {
  color:var(--teal);
}

.brand img {
  object-fit:contain;
}

.header nav {
  display:flex;
  gap:28px;
  font-size:13px;
  font-weight:600;
}

.header nav a:hover,.text-link:hover {
  color:var(--teal);
  text-decoration:underline;
  text-underline-offset:5px;
}

.header-phone {
  font-size:13px;
  font-weight:700;
  border:1px solid #bccbc5;
  padding:11px 16px;
  border-radius:var(--radius);
  white-space:nowrap;
}

.hero {
  padding:64px 0 60px;
}

.hero-grid {
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:64px;
  align-items:center;
}

.hero .eyebrow {
  font-size:10px;
}

h1 {
  font-size:clamp(48px,5.1vw,70px);
  font-weight:600;
  line-height:1.04;
  letter-spacing:-3.2px;
}

h1 em {
  font-size:1.08em;
}

.hero-description {
  font-size:17px;
  color:var(--muted);
  max-width:460px;
  margin-top:25px;
  line-height:1.75;
}

.hero-actions {
  display:flex;
  align-items:center;
  gap:24px;
  margin-top:29px;
}

.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:22px;
  min-height:52px;
  padding:14px 22px;
  border:1px solid transparent;
  border-radius:var(--radius);
  font-size:14px;
  font-weight:700;
  line-height:1.4;
  cursor:pointer;
  transition:background .15s,color .15s;
}

.button-primary {
  background:var(--brand);
  color:#fff;
}

.button-primary:hover {
  background:#215c65;
}

.button span {
  font-size:20px;
  font-weight:400;
}

.text-link {
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:14px;
  min-height:44px;
}

.hero-note {
  font-size:11px;
  color:var(--muted);
  margin-top:12px;
}

.hero-facts {
  display:flex;
  gap:30px;
  margin-top:35px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:11px;
  color:var(--muted);
}

.hero-facts b {
  display:block;
  color:var(--ink);
  font-size:12px;
  margin-bottom:3px;
}

.hero-art {
  background:var(--brand);
  border-radius:12px;
  overflow:hidden;
  color:#edf0e6;
  transform:rotate(1deg);
}

.art-heading,.art-footer {
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin:0 28px;
  padding:22px 0;
}

.art-heading {
  font-size:9px;
  letter-spacing:1.4px;
  border-bottom:1px solid #3b5c63;
}

.art-heading>span:last-child {
  font-size:24px;
}

.pipe-art {
  display:block;
  width:100%;
  height:auto;
}

.art-footer {
  padding-top:0;
  font-family:Georgia,serif;
  font-size:19px;
  gap:20px;
}

.art-seal {
  font:10px Arial,sans-serif;
  letter-spacing:1px;
  border:1px solid #769493;
  border-radius:50%;
  padding:15px 8px;
  white-space:nowrap;
}

.service-section {
  border-top:1px solid var(--line);
  padding-top:66px;
}

.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:32px;
  margin-bottom:36px;
}

.section-heading>p {
  font-size:14px;
  color:var(--muted);
  padding-bottom:4px;
}

.service-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}

.service-card {
  padding:27px 28px;
  display:flex;
  flex-direction:column;
  transition:background .15s;
}

.service-card+.service-card {
  border-left:1px solid var(--line);
}

.service-card:hover {
  background:var(--sand);
}

.service-number {
  display:flex;
  justify-content:space-between;
  font-size:12px;
  color:var(--teal);
  margin-bottom:34px;
}

.service-number span {
  font-size:23px;
}

.service-card p {
  font-size:14px;
  color:var(--muted);
  margin-top:15px;
  margin-bottom:28px;
  line-height:1.7;
}

.service-cta {
  font-size:12px;
  font-weight:700;
  display:flex;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
}

.process-section {
  background:var(--sand);
}

.process-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:110px;
}

.section-description {
  font-size:16px;
  color:var(--muted);
  margin-top:24px;
  line-height:1.8;
  max-width:490px;
}

.method-note {
  display:flex;
  gap:18px;
  border-top:1px solid #cdd3c8;
  padding-top:25px;
  margin-top:30px;
}

.method-note>span {
  font-size:30px;
  color:var(--teal);
}

.method-note p {
  font-size:13px;
  color:var(--muted);
}

.method-note strong {
  display:block;
  color:var(--ink);
  font-size:14px;
  margin-bottom:5px;
}

.steps {
  margin:0;
  padding:0;
  list-style:none;
}

.steps li {
  display:flex;
  gap:22px;
  padding:25px 0;
  border-bottom:1px solid #cdd3c8;
}

.steps li:first-child {
  padding-top:0;
}

.steps li>span {
  font-family:Georgia,serif;
  font-size:22px;
  color:var(--teal);
}

.steps h3 {
  font-size:20px;
  margin-bottom:12px;
}

.steps p {
  font-size:14px;
  color:var(--muted);
}

.contact-section {
  background:var(--brand);
  color:var(--paper);
}

.contact-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:110px;
  align-items:center;
}

.contact-copy .eyebrow {
  color:var(--accent);
}

.contact-copy h2 {
  font-size:clamp(38px,4vw,54px);
}

.contact-copy>p:not(.eyebrow) {
  color:#cfdfdd;
  max-width:365px;
  margin-top:24px;
  font-size:15px;
}

.contact-phone {
  display:block;
  margin-top:38px;
  font-size:27px;
  letter-spacing:-.6px;
}

.contact-phone small {
  display:block;
  font-size:9px;
  letter-spacing:1.5px;
  margin-bottom:8px;
  color:var(--accent);
}

.contact-copy p.contact-note {
  font-size:12px;
  border-top:1px solid #42616a;
  padding-top:23px;
}

.request-form {
  background:var(--paper);
  color:var(--ink);
  padding:32px;
  border-radius:12px;
}

fieldset {
  border:0;
  padding:0;
  margin:0;
  min-width:0;
}

legend,.field>label {
  font-weight:700;
  font-size:14px;
  margin-bottom:5px;
}

legend>span,.step-label {
  color:var(--teal);
  margin-right:8px;
}

.field-help {
  font-size:12px;
  color:var(--muted);
  margin-bottom:15px;
}

.service-options {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}

.service-options label {
  position:relative;
  cursor:pointer;
}

.service-options input {
  position:absolute;
  opacity:0;
  width:1px;
  height:1px;
}

.service-options label>span {
  display:flex;
  align-items:center;
  gap:10px;
  border:1px solid #bdc9c2;
  border-radius:6px;
  padding:13px 12px;
  font-size:13px;
  min-height:48px;
}

.service-options label>span:before {
  content:'';
  width:15px;
  height:15px;
  border:1px solid #829b96;
  border-radius:3px;
  flex-shrink:0;
  background:white;
}

.service-options input:checked+span {
  background:#e7eddf;
  border-color:var(--teal);
}

.service-options input:checked+span:before {
  content:'✓';
  background:var(--teal);
  color:white;
  border-color:var(--teal);
  font-size:12px;
  line-height:15px;
  text-align:center;
}

.service-options input:focus-visible+span {
  outline:3px solid #a66a25;
  outline-offset:3px;
}

.field {
  margin-top:24px;
}

.field>label {
  display:block;
  margin-bottom:12px;
}

.field select,.field input {
  width:100%;
  min-width:0;
  min-height:50px;
  border:1px solid #bdc9c2;
  border-radius:6px;
  padding:12px;
  background:white;
  color:var(--ink);
  font-size:16px;
}

.submit-button {
  width:100%;
  margin-top:8px;
  justify-content:space-between;
}

.form-note {
  text-align:center;
  font-size:11px;
  color:var(--muted);
  margin-top:13px;
  line-height:1.7;
}

.form-error {
  font-size:13px;
  color:#9b2d20;
  margin:15px 0 0;
}

.form-error:empty {
  margin-top:22px;
}

.coverage-grid {
  display:grid;
  grid-template-columns:1fr 1.35fr;
  gap:100px;
}

.coverage-grid .section-description {
  margin-top:0;
}

.areas {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  margin:25px 0 15px;
  border-top:1px solid var(--line);
  padding-top:25px;
}

.areas h3 {
  font-size:17px;
  margin-bottom:10px;
}

.areas p {
  font-size:13px;
  line-height:1.9;
  color:var(--muted);
}

.faq-section {
  padding-top:0;
}

.faq-grid {
  border-top:1px solid var(--line);
  padding-top:65px;
  display:grid;
  grid-template-columns:1fr 1.35fr;
  gap:100px;
}

.faq-list details {
  border-bottom:1px solid var(--line);
}

.faq-list summary {
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-weight:600;
  font-size:15px;
  padding:21px 0;
  min-height:60px;
}

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

.faq-list summary:after {
  content:'+';
  font-size:22px;
  font-weight:400;
}

.faq-list details[open] summary:after {
  content:'−';
}

.faq-list details p {
  color:var(--muted);
  font-size:14px;
  padding:0 25px 22px 0;
}

.footer {
  background:var(--sand);
  padding:42px 0 20px;
}

.footer-top {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:25px;
  padding-bottom:35px;
}

.footer-top p {
  font-size:12px;
  color:var(--muted);
}

.footer-top>a:last-child {
  font-size:16px;
  font-weight:700;
}

.footer-bottom {
  display:flex;
  justify-content:space-between;
  border-top:1px solid #cdd3c8;
  padding-top:18px;
  font-size:11px;
  color:var(--muted);
}

.skip-link {
  position:fixed;
  left:16px;
  top:-100px;
  z-index:30;
  padding:12px;
  background:var(--accent);
}

.skip-link:focus {
  top:10px;
}

[hidden] {
  display:none!important;
}

@media(min-width:1500px) {
  .hero {
    padding-block:85px;
  }
}

@media(max-width:1050px) {
  .container {
    width:calc(100% - 48px);
  }
  .hero-grid {
    gap:30px;
  }
  .header nav {
    gap:18px;
  }
  .header-inner {
    gap:18px;
  }
  .header-phone {
    padding:10px;
  }
  .hero-actions {
    gap:15px;
    flex-wrap:wrap;
  }
  .process-grid,.contact-grid {
    gap:50px;
  }
  .coverage-grid,.faq-grid {
    gap:50px;
  }
  .service-card {
    padding:23px 20px;
  }
  .hero-facts {
    gap:18px;
  }
  .request-form {
    padding:26px;
  }
}

@media(max-width:760px) {
  html {
    scroll-padding-top:90px;
  }
  .container {
    width:calc(100% - 40px);
  }
  .topline .container {
    justify-content:center;
    font-size:10px;
  }
  .topline a {
    display:none;
  }
  .header-inner {
    min-height:72px;
    gap:12px;
  }
  .brand img {
    width:36px;
    height:36px;
  }
  .brand>span {
    font-size:8px;
    letter-spacing:2.5px;
  }
  .brand strong {
    font-size:18px;
  }
  .header nav {
    display:none;
  }
  .header-phone {
    font-size:11px;
    padding:9px 10px;
    min-height:44px;
    display:flex;
    align-items:center;
  }
  .hero {
    padding:40px 0;
  }
  .hero-grid {
    grid-template-columns:1fr;
    gap:30px;
  }
  .hero .eyebrow {
    font-size:9px;
    letter-spacing:1.15px;
    margin-bottom:21px;
  }
  h1 {
    font-size:clamp(46px,9vw,68px);
    letter-spacing:-2.5px;
  }
  .hero-description {
    font-size:16px;
    margin-top:21px;
    max-width:520px;
  }
  .hero-actions {
    margin-top:24px;
    gap:20px;
  }
  .hero-note {
    font-size:11px;
  }
  .hero-facts {
    margin-top:24px;
    padding-top:18px;
    gap:30px;
  }
  .hero-art {
    transform:none;
    max-width:520px;
    width:100%;
    justify-self:center;
  }
  .pipe-art {
    max-height:290px;
  }
  .art-heading {
    padding:14px 0;
    margin-inline:22px;
  }
  .art-footer {
    font-size:17px;
    padding-bottom:20px;
    margin-inline:22px;
  }
  .art-seal {
    padding:11px 6px;
    font-size:9px;
  }
  .section {
    padding:52px 0;
  }
  h2 {
    font-size:34px;
    letter-spacing:-1.2px;
  }
  .eyebrow {
    font-size:10px;
    margin-bottom:17px;
  }
  .section-heading {
    display:block;
    margin-bottom:25px;
  }
  .section-heading>p {
    margin-top:20px;
  }
  .service-grid {
    grid-template-columns:1fr;
  }
  .service-card {
    padding:24px;
  }
  .service-card+.service-card {
    border-left:0;
    border-top:1px solid var(--line);
  }
  .service-number {
    margin-bottom:18px;
  }
  .service-card p {
    margin-bottom:20px;
    max-width:430px;
  }
  .process-grid,.contact-grid,.coverage-grid,.faq-grid {
    grid-template-columns:1fr;
    gap:35px;
  }
  .steps li {
    padding-block:22px;
  }
  .contact-copy h2 {
    font-size:42px;
  }
  .contact-copy>p:not(.eyebrow) {
    max-width:100%;
  }
  .contact-phone {
    margin-top:26px;
    font-size:26px;
  }
  .contact-copy p.contact-note {
    margin-top:18px;
    padding-top:17px;
  }
  .request-form {
    padding:25px 22px;
  }
  .coverage-grid {
    gap:25px;
  }
  .areas {
    gap:24px;
  }
  .faq-section {
    padding-top:0;
  }
  .faq-grid {
    padding-top:45px;
    gap:15px;
  }
  .footer {
    padding-top:32px;
    padding-bottom:32px;
  }
  .footer-top {
    flex-wrap:wrap;
    gap:22px;
    align-items:start;
  }
  .footer-top p {
    max-width:190px;
  }
  .footer-top>a:last-child {
    width:100%;
  }
  .button-outline {
    border-color:var(--brand);
    color:var(--brand);
    background:transparent;
  }
  .button-outline:hover {
    background:var(--sand);
  }
}

@media(max-width:360px) {
  .container {
    width:calc(100% - 32px);
  }
  .header-phone {
    font-size:10px;
    padding:8px;
  }
  .brand {
    gap:5px;
  }
  .brand img {
    width:30px;
    height:30px;
  }
  .brand strong {
    font-size:16px;
  }
  .hero-actions {
    gap:10px;
  }
  .hero-actions .button {
    width:100%;
    justify-content:space-between;
  }
  .hero-facts {
    gap:15px;
  }
  .request-form {
    padding:22px 16px;
  }
  .service-options {
    gap:8px;
  }
  .service-options label>span {
    font-size:12px;
    padding:12px 9px;
  }
  .areas {
    grid-template-columns:1fr;
    gap:20px;
  }
  .contact-phone {
    font-size:23px;
  }
}

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





/* Immediate contact: both actions are visible before scrolling on mobile. */
.button-outline {
  border-color: var(--brand);
  color: var(--brand);
  background: transparent;
}
.button-outline:hover { background: var(--sand); }
.hero-actions { flex-wrap: wrap; gap: 12px; }
h1 { font-size: clamp(42px, 4.5vw, 62px); }
.button-whatsapp { background: var(--accent); color: var(--brand); margin-top: 24px; }
.button-whatsapp:hover { background: #e5f4cf; }
.guided-contact { border: 1px solid #799595; border-radius: 12px; overflow: hidden; }
.guided-contact > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  list-style: none;
}
.guided-contact > summary::-webkit-details-marker { display: none; }
.guided-contact > summary span { font-size: 11px; font-weight: 400; color: var(--accent); }
.guided-contact > summary::after { content: '+'; }
.guided-contact[open] > summary::after { content: '−'; }
.guided-contact .request-form { border-radius: 0; }
.contact-copy .contact-direct-note { font-size: 12px; margin-top: 10px; }
@media (max-width: 760px) {
  .topline { display: none; }
  .hero { padding: 28px 0 32px; }
  h1 { font-size: clamp(36px, 8vw, 52px); letter-spacing: -1.5px; }
  .hero .eyebrow { margin-bottom: 14px; }
  .hero-description { margin-top: 18px; line-height: 1.6; }
  .hero-actions { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 20px; }
  .hero-actions .button { width: 100%; justify-content: space-between; }
  .hero-art { display: none; }
  .hero-facts { margin-top: 20px; }
  .service-section { padding-top: 32px; }
}

/* Header WhatsApp contact. */
.header-quote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
.header-quote:hover { background: #215c65; }
.header-quote svg { flex-shrink: 0; }