/* ============================================================
   sandmoisturemeter.com — Seztec USA
   Palette derived from the logo mark:
   blue #2E8BC0 · light blue #7EC8E3 · sand #E3BE85 · navy #0F3D5C
   White primary, blue secondary, black tertiary.
   ============================================================ */

:root{
  --white:#FFFFFF;
  --paper:#FBFDFE;
  --ice:#EFF6FA;
  --blue:#2E8BC0;
  --blue-dk:#226D99;
  --blue-lt:#7EC8E3;
  --blue-pale:#D9EDF6;
  --navy:#0F3D5C;
  --navy-2:#164E73;
  --sand:#E3BE85;
  --sand-dk:#B98F51;
  --ink:#111827;
  --gray:#6B7280;
  --gray-lt:#9AA3AE;
  --line:#DDE7EE;
  --line-2:#EDF2F6;

  --f-display:"Archivo",system-ui,sans-serif;
  --f-body:"Inter",system-ui,sans-serif;
  --f-data:"Inter",system-ui,sans-serif;

  --wrap:1180px;
  --gap:clamp(3rem,7vw,6rem);
  --shadow:0 1px 2px rgba(15,61,92,.05),0 8px 24px rgba(15,61,92,.07);
  --num:tabular-nums;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);
  font-family:var(--f-body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-dk);text-decoration-thickness:1px;text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;line-height:1.08;
  letter-spacing:-.022em;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2.3rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem)}
p{margin:0 0 1.1em}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}
.sec{padding-block:var(--gap)}
.lede{font-size:clamp(1.05rem,1.6vw,1.24rem);color:var(--gray);max-width:62ch}

.eyebrow{font-family:var(--f-data);font-size:.7rem;font-weight:600;
  letter-spacing:.13em;text-transform:uppercase;color:var(--blue);
  display:flex;align-items:center;gap:.6rem;margin:0 0 1rem}
.eyebrow::before{content:"";width:1.6rem;height:2px;background:var(--sand);flex:none}

/* ================= READOUT — signature ================= */
.readout{font-family:var(--f-data);background:var(--navy);
  border:1px solid var(--navy-2);border-radius:5px;padding:1.1rem 1.2rem;
  color:var(--blue-pale);box-shadow:0 12px 32px rgba(15,61,92,.18)}
.readout-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem}
.readout-row + .readout-row{margin-top:.55rem;padding-top:.55rem;
  border-top:1px dashed rgba(126,200,227,.28)}
.readout-k{font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--blue-lt);opacity:.78}
.readout-v{font-size:1.05rem;font-weight:600;color:var(--sand);
  font-variant-numeric:tabular-nums;text-align:right}
.readout-v.lg{font-size:clamp(2.6rem,6vw,3.6rem);line-height:1;
  letter-spacing:-.02em;color:#fff}
.readout-u{font-size:.5em;color:var(--blue-lt);margin-left:.15em;
  font-weight:400;opacity:.8}

/* ================= HERO ================= */
.hero{background:linear-gradient(180deg,var(--ice) 0%,var(--white) 100%);
  border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(2rem,5vw,4.5rem);align-items:center;padding-block:clamp(3rem,7vw,5.5rem)}
.hero h1{color:var(--navy);margin-bottom:.55em}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p{color:var(--gray);max-width:46ch;font-size:1.09rem}
.hero-media{position:relative}
.hero-media img{border-radius:8px;box-shadow:var(--shadow)}
.hero-readout{position:absolute;right:-10px;bottom:-24px;width:min(280px,74%)}
.hero-note{font-family:var(--f-data);font-size:.68rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gray-lt);margin-top:2.6rem}

/* ================= BUTTONS ================= */
.btn{display:inline-block;font-family:var(--f-display);font-weight:600;
  font-size:.95rem;padding:.85rem 1.5rem;border-radius:4px;text-decoration:none;
  border:1.5px solid transparent;transition:.16s ease;cursor:pointer}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:var(--blue-dk);border-color:var(--blue-dk)}
.btn-ghost{border-color:var(--line);color:var(--navy);background:var(--white)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-dark:hover{background:var(--navy-2);border-color:var(--navy-2)}
.btn-row{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.8rem}

/* ================= STAGE SPINE ================= */
.spine{background:var(--navy);padding-block:clamp(2.6rem,5vw,4rem)}
.spine-head{display:flex;justify-content:space-between;align-items:end;
  gap:2rem;flex-wrap:wrap;margin-bottom:2.2rem}
.spine-head h2{color:#fff;margin:0}
.spine .eyebrow{color:var(--blue-lt)}
.spine-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.spine-rail::before{content:"";position:absolute;left:0;right:0;top:2.1rem;height:2px;
  background:linear-gradient(90deg,var(--blue-lt) 0%,var(--sand) 100%);opacity:.45}
.stage{position:relative;padding:0 1.1rem 0 0;text-decoration:none;
  color:inherit;display:block}
.stage-n{font-family:var(--f-data);font-size:.72rem;letter-spacing:.11em;
  color:var(--blue-lt);opacity:.7;margin-bottom:.85rem}
.stage-dot{width:14px;height:14px;border-radius:50%;background:var(--navy);
  border:2px solid var(--blue-lt);position:relative;z-index:2;margin-bottom:1.1rem}
.stage:hover .stage-dot{background:var(--sand);border-color:var(--sand)}
.stage h3{color:#fff;font-size:1.28rem;margin:0 0 .3rem}
.stage-kick{font-family:var(--f-data);font-size:.62rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--sand);margin-bottom:.55rem}
.stage p{color:#B9CFDD;font-size:.9rem;line-height:1.55;margin:0}

/* ================= CARDS ================= */
.grid{display:grid;gap:1.4rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:7px;
  padding:1.5rem;display:flex;flex-direction:column;text-decoration:none;
  color:inherit;transition:.16s ease}
a.card:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-2px)}
.card-media{background:var(--ice);border-radius:5px;margin:-.4rem 0 1.1rem;
  padding:1.2rem;display:grid;place-items:center;min-height:170px}
.card-media img{max-height:150px;width:auto;object-fit:contain}
.card h3{margin:0 0 .35rem;font-size:1.15rem}
.card p{font-size:.9rem;color:var(--gray);margin:0 0 1rem;line-height:1.55}
.card-tag{font-family:var(--f-data);font-size:.6rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--blue);margin-bottom:.6rem}
.card-sku{font-family:var(--f-body);font-size:.76rem;color:var(--gray-lt);
  margin-top:auto;padding-top:.8rem;border-top:1px solid var(--line-2)}

/* ================= TABLES ================= */
.spec{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--white)}
.spec th,.spec td{text-align:left;padding:.72rem .9rem;
  border-bottom:1px solid var(--line-2);vertical-align:top}
.spec th{font-family:var(--f-data);font-size:.7rem;letter-spacing:.07em;
  text-transform:uppercase;color:var(--gray);font-weight:500;width:44%}
.spec td{font-family:var(--f-body);font-size:.9rem;color:var(--navy);
  font-variant-numeric:tabular-nums;font-weight:500}
.spec tr:hover th,.spec tr:hover td{background:var(--ice)}

.mat{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--white);
  border:1px solid var(--line);border-radius:6px;overflow:hidden}
.mat thead th{font-family:var(--f-data);font-size:.66rem;letter-spacing:.09em;
  text-transform:uppercase;color:#fff;background:var(--navy);padding:.85rem .9rem;
  text-align:left;font-weight:600}
.mat td{padding:.75rem .9rem;border-bottom:1px solid var(--line-2)}
.mat td:nth-child(2),.mat td:nth-child(3){font-family:var(--f-data);
  font-variant-numeric:tabular-nums;white-space:nowrap}
.mat td:nth-child(2){color:var(--sand-dk);font-weight:600}
.mat tbody tr:hover{background:var(--ice)}
.mat td:last-child{color:var(--gray);font-size:.86rem}

/* ================= BANDS ================= */
.band-sand{background:var(--ice);border-block:1px solid var(--line)}
.band-dark{background:var(--navy)}
.band-dark h1,.band-dark h2,.band-dark h3{color:#fff}
.band-dark p,.band-dark .lede{color:#B9CFDD}
.band-dark .eyebrow{color:var(--blue-lt)}
.band-dark a:not(.btn){color:var(--sand)}
.band-dark .btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.band-dark .btn-primary:hover{background:var(--blue-lt);border-color:var(--blue-lt);color:var(--navy)}
.band-dark .btn-ghost{background:transparent;color:#fff;border-color:rgba(126,200,227,.5)}
.band-dark .btn-ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.band-dark .btn-dark{background:#fff;color:var(--navy);border-color:#fff}
.band-dark .btn-dark:hover{background:var(--blue-lt);border-color:var(--blue-lt);color:var(--navy)}
.band-dark .hero-note{color:#7E9DB0}
.band-dark .checks li{color:#CBDDE8}
.band-dark .checks li::before{background:var(--sand)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);
  align-items:center}
.split img{border-radius:7px;box-shadow:var(--shadow)}

.checks{list-style:none;padding:0;margin:1.5rem 0 0}
.checks li{position:relative;padding-left:1.7rem;margin-bottom:.75rem;
  font-size:.95rem;line-height:1.55}
.checks li::before{content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;
  background:var(--blue);border-radius:2px}

/* ================= FAQ ================= */
.faq details{border-bottom:1px solid var(--line);padding:1.1rem 0}
.faq summary{font-family:var(--f-display);font-weight:600;font-size:1.05rem;
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;
  gap:1rem;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-data);color:var(--blue);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.9rem 0 0;color:var(--gray);font-size:.95rem;max-width:70ch}

/* ================= FORM ================= */
.form{display:grid;gap:1rem;max-width:520px;background:var(--white);
  padding:1.8rem;border-radius:8px;border:1px solid var(--line);box-shadow:var(--shadow)}
.form label{font-family:var(--f-data);font-size:.68rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--gray);display:block;margin-bottom:.35rem}
.form input,.form select,.form textarea{width:100%;padding:.75rem .9rem;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);
  border-radius:4px;font-family:var(--f-body);font-size:.95rem}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--blue);
  outline-offset:1px;background:var(--white)}
.form textarea{min-height:110px;resize:vertical}

/* ================= HEADER / FOOTER ================= */
.hdr{background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hdr .wrap{max-width:1340px}
.hdr-in{display:flex;align-items:center;justify-content:space-between;
  gap:clamp(1rem,2.4vw,2rem);padding-block:.5rem;flex-wrap:nowrap}
.logo{display:block;line-height:0;flex:0 0 auto}
.logo img{height:63px;width:auto}
.nav{display:flex;gap:clamp(.9rem,1.7vw,1.5rem);align-items:center;
  flex:1 1 auto;justify-content:flex-end;min-width:0}
.nav a{color:var(--navy);text-decoration:none;font-size:.87rem;font-weight:500;
  white-space:nowrap}
.nav a:hover{color:var(--blue)}
.hdr .btn{padding:.62rem 1.15rem;font-size:.85rem;white-space:nowrap;flex:0 0 auto}
.btn{white-space:nowrap}

.ftr{background:var(--navy);color:#A9C3D3;padding-block:3.5rem 2rem;font-size:.88rem}
.ftr h4{font-family:var(--f-data);font-size:.66rem;letter-spacing:.11em;
  text-transform:uppercase;color:var(--blue-lt);margin:0 0 .9rem}
.ftr a{color:#A9C3D3;text-decoration:none}
.ftr a:hover{color:var(--sand)}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin-bottom:.45rem}
.ftr-btm{margin-top:2.5rem;padding-top:1.5rem;
  border-top:1px solid rgba(126,200,227,.2);display:flex;
  justify-content:space-between;gap:1.5rem;flex-wrap:wrap;
  font-size:.8rem;color:#7E9DB0}

.crumb{font-family:var(--f-data);font-size:.7rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--gray-lt);padding-top:1.6rem}
.crumb a{color:var(--gray-lt);text-decoration:none}
.crumb a:hover{color:var(--blue)}

/* ================= RESPONSIVE ================= */
@media(max-width:1120px){
  .nav{display:none}
}
@media(max-width:960px){
  .g4,.g3{grid-template-columns:repeat(2,1fr)}
  .spine-rail{grid-template-columns:repeat(2,1fr);gap:2rem 1rem}
  .spine-rail::before{display:none}
}
@media(max-width:760px){
  body{font-size:16px}
  .hero-grid{grid-template-columns:1fr;gap:2.5rem}
  .hero-readout{position:static;width:100%;margin-top:1rem}
  .split,.g2,.g3,.g4{grid-template-columns:1fr}
  .logo img{height:51px}
  .mat{font-size:.84rem}
  .mat td:last-child,.mat thead th:last-child{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* ---- footer social ---- */
.social{display:flex;gap:.6rem;flex-wrap:wrap}
.social a{display:inline-flex;align-items:center;gap:.45rem;
  padding:.45rem .85rem;border:1px solid rgba(126,200,227,.28);border-radius:4px;
  color:#A9C3D3;font-size:.8rem;font-weight:500;text-decoration:none;
  transition:.16s ease}
.social a:hover{color:var(--navy);background:var(--sand);border-color:var(--sand)}
.social svg{flex:none}