@import url('./fonts.css');

:root {
  --ink: #292820;
  --ink-soft: #5f5a4d;
  --cream: #fffaf1;
  --paper: #f7efdf;
  --grain: #e9ad5d;
  --grain-light: #f7d8a9;
  --grain-pale: #fcedd6;
  --rust: #a55729;
  --green: #475b3c;
  --line: rgba(41, 40, 32, 0.16);
  --shadow: 0 24px 60px rgba(60, 43, 24, 0.14);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 30px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, .button { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #1f6f68; outline-offset: 3px; }
::selection { background: var(--grain-light); color: var(--ink); }

.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 100;
  transform: translateY(-160%); padding: 10px 15px;
  background: var(--ink); color: white; border-radius: 7px;
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.eyebrow {
  margin: 0 0 10px; color: var(--rust); font-size: 0.78rem;
  font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
}
h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; line-height: 1.08; margin-top: 0; }
h1 { font-size: clamp(3rem, 7vw, 6.8rem); letter-spacing: -0.045em; }
h2 { font-size: clamp(2.2rem, 4.5vw, 4.3rem); letter-spacing: -0.035em; }
h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }
p { margin-top: 0; }
.lead { font-size: clamp(1.05rem, 1.7vw, 1.35rem); line-height: 1.55; color: var(--ink-soft); }
.muted { color: var(--ink-soft); }
.small { font-size: 0.86rem; }

.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,250,241,0.94);
  border-bottom: 1px solid var(--line); backdrop-filter: blur(14px);
}
.nav-wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 700; letter-spacing: 0.02em; }
.brand img { width: 39px; height: 39px; }
.brand-name { font-family: 'Fraunces', Georgia, serif; font-size: 1.42rem; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { text-decoration: none; font-size: 0.94rem; font-weight: 600; }
.site-nav a:not(.button):hover { color: var(--rust); }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang-switch a { padding: 5px 9px; border-radius: 999px; font-size: 0.76rem; }
.lang-switch a[aria-current='page'] { background: var(--ink); color: white; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: transparent; }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ''; display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--ink); }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 48px; padding: 12px 20px; border: 1px solid var(--ink);
  border-radius: 999px; color: white; background: var(--ink); text-decoration: none;
  font-weight: 700; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(41,40,32,.2); }
.button--grain { background: var(--grain); color: var(--ink); border-color: var(--grain); }
.button--light { background: var(--cream); color: var(--ink); border-color: var(--cream); }
.button--outline { background: transparent; color: var(--ink); border-color: var(--line); }
.button--sm { min-height: 40px; padding: 8px 15px; font-size: .88rem; }
.button--danger { background: transparent; color: #8c2e1d; border-color: rgba(140,46,29,.35); }
.button[disabled] { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }

.hero {
  position: relative; min-height: min(790px, calc(100svh - 74px)); display: grid; align-items: end;
  color: white; isolation: isolate; overflow: hidden; background: #6b4a2b;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -2;
  background: url('../assets/images/hero-gramo.jpg') center 48% / cover no-repeat;
  transform: scale(1.01);
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(25,23,18,.88) 0%, rgba(25,23,18,.72) 35%, rgba(25,23,18,.12) 72%, rgba(25,23,18,.08)),
              linear-gradient(0deg, rgba(25,23,18,.38), transparent 55%);
}
.hero-content { padding-block: clamp(80px, 12vh, 140px) 64px; max-width: 720px; }
.hero h1 { margin-bottom: 24px; }
.hero .lead { color: rgba(255,255,255,.86); max-width: 610px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 40px; padding: 0; list-style: none; }
.hero-facts li { display: flex; align-items: center; gap: 9px; font-size: .9rem; font-weight: 600; }
.hero-facts li::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--grain); box-shadow: 0 0 0 5px rgba(233,173,93,.18); }
.hero-credit { position: absolute; right: 14px; bottom: 10px; color: rgba(255,255,255,.65); font-size: .67rem; }

.section { padding-block: clamp(78px, 10vw, 128px); }
.section--paper { background: var(--paper); }
.section--ink { background: var(--ink); color: var(--cream); }
.section--grain { background: var(--grain-light); }
.section-head { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr); gap: 60px; align-items: end; margin-bottom: 54px; }
.section-head h2 { margin-bottom: 0; }
.section-head p { margin-bottom: 7px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.feature { background: var(--cream); padding: clamp(28px, 4vw, 44px); min-height: 255px; }
.feature-number { display: block; margin-bottom: 40px; color: var(--rust); font-family: 'Fraunces', serif; font-size: 1.1rem; }
.feature h3 { margin-bottom: 12px; }
.feature p { color: var(--ink-soft); margin-bottom: 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 8vw, 110px); align-items: center; }
.diagram-card { position: relative; min-height: 560px; overflow: hidden; border-radius: var(--radius-lg); background: #d89c4d; box-shadow: var(--shadow); }
.diagram-grain { position: absolute; inset: 43% 0 0; background-color: #d8a451; background-image: radial-gradient(ellipse at 25% 25%, #f0c77d 0 2px, transparent 2.8px), radial-gradient(ellipse at 70% 70%, #b87835 0 1.7px, transparent 2.4px); background-size: 15px 10px, 19px 13px; }
.diagram-grain::before { content:''; position:absolute; inset:0; background:linear-gradient(rgba(247,216,169,.1),rgba(90,54,21,.16)); }
.probe-illustration { position: absolute; inset: 7% 34% 8%; }
.probe-box { position: absolute; top: 0; left: calc(50% - 37px); width: 74px; height: 150px; border-radius: 13px; background: #242521; border: 2px solid #4d4f49; box-shadow: 12px 18px 26px rgba(43,30,14,.22); }
.probe-box::before { content:''; position:absolute; left:17px; right:17px; top:15px; height:15px; border-radius:5px; background:#343630; }
.probe-box::after { content:''; position:absolute; width:9px; height:9px; border-radius:50%; background:var(--grain); top:48px; left:31px; }
.probe-tube { position:absolute; top:146px; bottom:0; left:calc(50% - 4px); width:8px; border-radius:3px; background:linear-gradient(90deg,#5c5c56,#dfe2dc 43%,#73746e); box-shadow:5px 3px 8px rgba(40,31,20,.2); }
.probe-depth-label { position:absolute; top:52%; right:23px; padding:7px 10px; border-radius:99px; background:rgba(255,250,241,.9); font-size:.8rem; font-weight:700; }
.spec-list { display: grid; gap: 0; margin: 28px 0 36px; border-top: 1px solid var(--line); }
.spec-row { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.spec-icon { width: 35px; height: 35px; display: grid; place-items: center; border-radius: 50%; background: var(--grain-pale); font-weight: 700; color: var(--rust); }
.spec-row strong { display: block; }
.spec-row span { color: var(--ink-soft); font-size: .93rem; }

.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: steps; }
.process-step { position: relative; padding-top: 28px; border-top: 2px solid rgba(255,255,255,.22); }
.process-step::before { counter-increment: steps; content: '0' counter(steps); position:absolute; top:-17px; left:0; background:var(--ink); padding-right:13px; color:var(--grain); font-weight:700; }
.process-step p { color: rgba(255,255,255,.68); }

.trust-band { padding-block: 54px; border-block: 1px solid var(--line); background: #fffdf8; }
.trust-head { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-bottom: 26px; }
.trust-head h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.partner-logos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.partner-placeholder { min-height: 108px; border: 1px dashed rgba(41,40,32,.28); border-radius: var(--radius); display:grid; place-items:center; color:var(--ink-soft); font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; background:var(--cream); }

.demo-banner { display: grid; grid-template-columns: 1.3fr .7fr; gap: 50px; align-items: center; padding: clamp(38px,6vw,70px); border-radius: var(--radius-lg); background: var(--grain-light); }
.demo-banner h2 { margin-bottom: 16px; }
.demo-banner .actions { display:flex; justify-content:flex-end; flex-wrap:wrap; gap:12px; }

.site-footer { padding-block: 48px 28px; background: #211f1a; color: rgba(255,255,255,.72); }
.footer-grid { display:grid; grid-template-columns: 1.1fr .8fr .8fr; gap:50px; }
.footer-grid h2 { color:white; font-size:1.7rem; margin-bottom:14px; }
.footer-grid h3 { color:white; font-family:'IBM Plex Sans',sans-serif; font-size:.82rem; letter-spacing:.12em; text-transform:uppercase; }
.footer-grid a { display:block; margin-bottom:7px; text-decoration:none; }
.footer-grid a:hover { color:var(--grain); }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; margin-top:48px; padding-top:20px; border-top:1px solid rgba(255,255,255,.14); font-size:.78rem; }

/* Interior pages */
.page-hero { padding-block: clamp(70px, 9vw, 120px) 64px; background: var(--paper); border-bottom:1px solid var(--line); }
.page-hero h1 { max-width: 950px; font-size: clamp(3rem, 7vw, 6rem); }
.page-hero .lead { max-width: 760px; }
.breadcrumb { margin-bottom:38px; font-size:.82rem; color:var(--ink-soft); }
.breadcrumb a { text-underline-offset:4px; }

/* Forms */
.form-layout { display:grid; grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr); gap:48px; align-items:start; }
.form-section { margin-bottom:56px; }
.form-section-title { display:flex; gap:16px; align-items:flex-start; margin-bottom:24px; }
.form-section-title .index { flex:0 0 auto; width:38px; height:38px; display:grid; place-items:center; border-radius:50%; background:var(--ink); color:white; font-weight:700; }
.form-section-title h2 { font-size:clamp(1.65rem,3vw,2.5rem); margin-bottom:6px; }
.form-section-title p { color:var(--ink-soft); margin-bottom:0; }
.measurement-types { display:grid; gap:18px; }
.measurement-card { padding:24px; border:1px solid var(--line); border-radius:var(--radius); background:#fffdf8; box-shadow:0 10px 30px rgba(67,48,24,.06); }
.measurement-card.is-active { border-color:var(--rust); box-shadow:0 0 0 2px rgba(165,87,41,.12); }
.measurement-card-head { display:flex; justify-content:space-between; gap:20px; align-items:center; margin-bottom:18px; }
.measurement-card-head h3 { margin:0; }
.measurement-actions { display:flex; gap:8px; }
.form-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.form-grid--3 { grid-template-columns:repeat(3,1fr); }
.field { display:grid; gap:7px; }
.field--full { grid-column:1/-1; }
label, legend { font-weight:700; font-size:.91rem; }
.required::after { content:' *'; color:#9c2f1b; }
input, select, textarea {
  width:100%; min-height:48px; padding:11px 13px; color:var(--ink); background:white;
  border:1px solid rgba(41,40,32,.24); border-radius:9px;
}
textarea { min-height:120px; resize:vertical; }
input:invalid:not(:placeholder-shown), select:invalid.is-touched { border-color:#a63d28; }
.field-help { color:var(--ink-soft); font-size:.79rem; }
.depth-fields { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:16px; }
.depth-field[hidden] { display:none; }
.card-price { margin-top:20px; padding-top:16px; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:16px; align-items:flex-end; }
.card-price strong { font-family:'Fraunces',serif; font-size:1.7rem; }
.add-type { margin-top:16px; }

.radio-stack { display:grid; gap:10px; }
.radio-option { position:relative; }
.radio-option input { position:absolute; opacity:0; pointer-events:none; }
.radio-option label { display:grid; grid-template-columns:1fr auto; gap:18px; padding:16px 18px; border:1px solid var(--line); border-radius:11px; background:white; cursor:pointer; }
.radio-option label span:last-child { color:var(--rust); white-space:nowrap; }
.radio-option input:checked + label { border-color:var(--rust); box-shadow:0 0 0 2px rgba(165,87,41,.12); background:#fff9ee; }
.radio-option input:focus-visible + label { outline:3px solid #1f6f68; outline-offset:3px; }
.checkbox-row { display:flex; gap:10px; align-items:flex-start; }
.checkbox-row input { width:20px; min-height:20px; margin-top:3px; }
.checkbox-row label { font-weight:400; }

.quote-preview { position:sticky; top:96px; }
.probe-preview { min-height:520px; position:relative; overflow:hidden; border-radius:var(--radius-lg); background:#f4ead8; border:1px solid var(--line); }
.preview-sky { position:absolute; inset:0 0 72%; background:linear-gradient(#faf5ea,#f0e3ca); }
.preview-grain { position:absolute; inset:28% 0 0; background:#d9a75a; background-image:radial-gradient(ellipse at 25% 25%,#edc57e 0 2px,transparent 3px),radial-gradient(ellipse at 75% 65%,#bd7938 0 2px,transparent 3px); background-size:13px 9px,17px 11px; }
.preview-grain::before { content:''; position:absolute; inset:0; background:linear-gradient(90deg,rgba(255,255,255,.08),rgba(80,45,16,.1)); }
.preview-surface { position:absolute; top:28%; left:0; right:0; height:2px; background:rgba(88,53,24,.38); }
.preview-probe-box { position:absolute; top:5%; left:calc(50% - 31px); width:62px; height:90px; border-radius:10px; background:#232521; border:2px solid #4f514b; z-index:3; }
.preview-probe-box::after { content:''; position:absolute; width:8px; height:8px; border-radius:50%; background:var(--grain); top:29px; left:25px; }
.preview-tube { position:absolute; z-index:2; top:20%; left:calc(50% - 4px); width:8px; height:66%; border-radius:4px; background:linear-gradient(90deg,#62645e,#e6e9e3 45%,#767871); transition:height .25s ease; }
.sensor-point { position:absolute; z-index:4; left:calc(50% - 9px); width:18px; height:18px; border:4px solid #fff6e8; background:#a55729; border-radius:50%; box-shadow:0 2px 9px rgba(65,35,12,.35); transition:top .25s ease; }
.sensor-point span { position:absolute; left:24px; top:-7px; white-space:nowrap; padding:4px 8px; border-radius:6px; background:rgba(255,250,241,.94); font-size:.72rem; font-weight:700; color:var(--ink); }
.preview-scale { position:absolute; left:18px; top:28%; bottom:8%; display:flex; flex-direction:column; justify-content:space-between; font-size:.7rem; color:rgba(41,40,32,.7); }
.preview-meta { position:absolute; right:14px; top:13px; z-index:6; padding:7px 10px; border-radius:999px; background:rgba(255,255,255,.82); font-size:.75rem; font-weight:700; }
.quote-summary { margin-top:18px; padding:24px; border-radius:var(--radius); background:var(--ink); color:white; }
.summary-line { display:flex; justify-content:space-between; gap:20px; padding:9px 0; border-bottom:1px solid rgba(255,255,255,.13); }
.summary-total { display:flex; justify-content:space-between; gap:18px; align-items:end; margin-top:18px; }
.summary-total strong { display:block; color:var(--grain-light); font-family:'Fraunces',serif; font-size:2rem; line-height:1; }
.summary-total small { color:rgba(255,255,255,.62); }
.summary-monthly { margin-top:12px; color:var(--grain-light); font-weight:700; text-align:right; }
.locked-price { padding:18px; border:1px dashed rgba(255,255,255,.34); border-radius:10px; color:rgba(255,255,255,.7); font-size:.88rem; }
.quote-actions { display:grid; gap:10px; margin-top:16px; }
.quote-notice { margin-top:22px; padding:18px; border-left:4px solid var(--grain); background:var(--grain-pale); font-size:.88rem; }
.validation-message { margin-top:12px; color:#8d2f1f; font-weight:600; }

.contact-grid { display:grid; grid-template-columns:.8fr 1.2fr; gap:60px; align-items:start; }
.contact-card { padding:30px; border:1px solid var(--line); border-radius:var(--radius); background:white; }
.contact-method { padding:19px 0; border-bottom:1px solid var(--line); }
.contact-method:last-child { border-bottom:0; }
.contact-method span { display:block; color:var(--ink-soft); font-size:.8rem; }
.contact-method a { font-size:1.15rem; font-weight:700; text-decoration:none; }
.form-status { min-height:26px; margin-top:12px; color:var(--green); font-weight:700; }

.noscript { padding:15px; background:#fff0d6; border:1px solid #e2a64f; color:#5e3e12; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

@media (max-width: 980px) {
  .site-nav { position:fixed; inset:75px 0 auto; display:none; padding:25px 20px 30px; background:var(--cream); border-bottom:1px solid var(--line); flex-direction:column; align-items:stretch; }
  .site-nav.is-open { display:flex; }
  .nav-toggle { display:block; }
  .nav-cta { text-align:center; }
  .lang-switch { align-self:flex-start; }
  .section-head, .split, .form-layout, .contact-grid { grid-template-columns:1fr; }
  .feature-grid { grid-template-columns:repeat(2,1fr); }
  .process { grid-template-columns:1fr; }
  .quote-preview { position:static; }
  .demo-banner { grid-template-columns:1fr; }
  .demo-banner .actions { justify-content:flex-start; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width: 680px) {
  body { font-size:16px; }
  .container { width:min(calc(100% - 28px),var(--max)); }
  .nav-wrap { min-height:66px; }
  .site-nav { inset:67px 0 auto; }
  .hero { min-height:720px; align-items:end; }
  .hero::before { background-position:64% center; }
  .hero::after { background:linear-gradient(0deg,rgba(25,23,18,.93) 0%,rgba(25,23,18,.6) 58%,rgba(25,23,18,.16)); }
  .hero-content { padding-block:100px 52px; }
  .hero h1 { font-size:clamp(3.1rem,17vw,5rem); }
  .hero-facts { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  .section { padding-block:70px; }
  .section-head { gap:18px; margin-bottom:36px; }
  .feature-grid, .partner-logos, .footer-grid, .form-grid, .form-grid--3, .depth-fields { grid-template-columns:1fr; }
  .feature { min-height:auto; }
  .feature-number { margin-bottom:24px; }
  .diagram-card { min-height:440px; }
  .trust-head, .footer-bottom, .measurement-card-head { align-items:flex-start; flex-direction:column; }
  .page-hero { padding-top:56px; }
  .form-section-title { gap:12px; }
  .measurement-card { padding:18px; }
  .measurement-actions { width:100%; }
  .measurement-actions .button { flex:1; }
  .probe-preview { min-height:470px; }
  .summary-total { align-items:flex-start; flex-direction:column; }
  .summary-monthly { text-align:left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { transition-duration:.01ms !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .quote-actions, .add-type, .measurement-actions { display:none !important; }
  body { background:white; font-size:11pt; }
  .page-hero, .section { padding:24px 0; }
  .form-layout { grid-template-columns:1fr 1fr; }
  .quote-preview { position:static; }
  .measurement-card, .quote-summary { break-inside:avoid; }
}