/* ============================================================
   Hydromation, Inc. — corporate site (Swiss Slate)
   IBM Plex Sans + IBM Plex Mono · slate/teal · photography-ready
   ============================================================ */
:root{
  --bg:#fafbfc; --ink:#111417; --soft:#5b6470; --line:#e3e7eb;
  --slate:#334155; --accent:#0f766e; --tint:#ecf5f4;
  --h:"IBM Plex Sans",system-ui,sans-serif; --m:"IBM Plex Mono",monospace;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:var(--h);color:var(--ink);background:var(--bg);line-height:1.66;font-size:17px;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,5.2vw,3.9rem);font-weight:600}
h2{font-size:clamp(1.8rem,3.4vw,2.5rem);font-weight:600;margin-bottom:.5em}
h3{font-size:1.15rem;font-weight:600}
p{max-width:62ch;color:var(--soft)}
a{text-decoration:none;color:var(--accent)}
strong{color:var(--ink)}
img{max-width:100%;display:block}
.mono{font-family:var(--m);font-size:.74rem;letter-spacing:.05em;color:var(--accent);text-transform:uppercase;display:block;margin-bottom:1.2rem}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:.94rem;padding:14px 28px;border:1px solid var(--ink);transition:.18s;color:var(--ink);cursor:pointer;background:transparent}
.btn-p{background:var(--ink);color:#fff}
.btn-p:hover{background:var(--slate)}
.btn:hover{border-color:var(--accent)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}

/* header */
header.site{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(250,251,252,.95);backdrop-filter:blur(8px);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:700;font-size:1.2rem;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;color:var(--ink)}
.logo .mk{width:30px;height:30px;border:2px solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--m);font-size:.9rem}
.logo .mk-lion{width:30px;height:30px;display:block}
.links{display:flex;gap:28px;align-items:center}
.links a{font-size:.92rem;font-weight:500;color:var(--ink)}
.links a:hover,.links a.active{color:var(--accent)}
.menu{display:none;background:none;border:none;cursor:pointer}
.menu svg{width:26px;height:26px;stroke:var(--ink)}

/* sections */
section{padding:96px 0;border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:none}
.page-hero{padding:88px 0 72px}
.page-hero h1{max-width:22ch}
.page-hero p{font-size:1.15rem;margin-top:22px;max-width:58ch}

/* hero */
.hero{padding:100px 0 0;border-bottom:none}
.hero h1{max-width:20ch}
.hero .sub{font-size:1.16rem;margin-top:24px;max-width:58ch}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}

/* photography — duotone frame system.
   While awaiting stock photos, .ph shows a styled slate placeholder.
   When a photo is added: <div class="ph"><img src="..." alt="..."></div>  */
.ph{position:relative;background:linear-gradient(150deg,#22303c,#334155 55%,#3d5166);overflow:hidden;min-height:300px;display:flex;align-items:flex-end}
.ph::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px)}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.35) contrast(1.02) brightness(.94)}
.ph::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(51,65,85,.28),rgba(15,118,110,.12));mix-blend-mode:multiply;pointer-events:none}
.ph .cap{position:relative;z-index:2;font-family:var(--m);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:#c6d2dd;background:rgba(17,20,23,.55);padding:8px 14px;margin:14px}
.ph.tall{min-height:420px}
.ph.wide{min-height:340px}
.ph.band-img{min-height:100%;height:100%}

/* meta strip */
.meta{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:64px}
.meta > div{background:var(--bg);padding:22px 24px}
.meta b{display:block;font-size:1.3rem;font-weight:600}
.meta span{font-family:var(--m);font-size:.68rem;color:var(--soft);text-transform:uppercase;letter-spacing:.04em}

/* capability rows */
.crow{display:grid;grid-template-columns:60px 1fr 1.6fr;gap:30px;padding:34px 0;border-bottom:1px solid var(--line);align-items:baseline}
.crow:last-of-type{border-bottom:none}
.crow .n{font-family:var(--m);font-size:.8rem;color:var(--accent)}
.crow p{font-size:.98rem}
.crow ul{list-style:none;display:grid;gap:8px;margin-top:12px}
.crow li{font-size:.94rem;color:var(--soft);padding-left:20px;position:relative}
.crow li::before{content:"—";position:absolute;left:0;color:var(--accent)}

/* two-column splits */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.g2-wide{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}

/* principles */
.tick{list-style:none;display:grid;gap:12px;margin-top:6px}
.tick li{display:flex;gap:12px;align-items:flex-start;font-size:.98rem;color:var(--ink)}
.tick svg{width:18px;height:18px;stroke:var(--accent);fill:none;stroke-width:2.2;flex:none;margin-top:4px}

/* prose */
.prose p{margin-bottom:18px;color:var(--ink);font-size:1.05rem;max-width:66ch}

/* forms */
form{display:grid;gap:18px;max-width:520px}
label{font-family:var(--m);font-weight:500;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--soft);display:block;margin-bottom:8px}
input,textarea{width:100%;font-family:var(--h);font-size:1rem;padding:13px 14px;border:1px solid var(--line);background:#fff;color:var(--ink)}
input:focus,textarea:focus{outline:none;border-color:var(--accent)}
textarea{min-height:140px;resize:vertical}
.hide{display:none}
.reassure{font-size:.9rem;color:var(--soft)}

/* cta panel */
.cta-in{background:var(--tint);border:1px solid #d5e7e5;padding:52px 56px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-in h2{margin:0}

/* footer */
footer.site{border-top:1px solid var(--line);padding:48px 0 40px;background:#f4f6f8}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:36px}
.foot-grid .fp{font-size:.92rem;margin-top:10px;max-width:36ch}
.foot-col h4{font-family:var(--m);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--soft);font-weight:500;margin-bottom:14px}
.foot-col a{display:block;color:var(--ink);font-size:.94rem;margin-bottom:9px;font-weight:500}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-family:var(--m);font-size:.7rem;color:var(--soft);text-transform:uppercase;letter-spacing:.04em}

/* responsive */
@media(max-width:860px){
  .hero-grid,.g2,.g2-wide,.meta,.crow,.foot-grid{grid-template-columns:1fr}
  section{padding:70px 0}
  .wrap{padding:0 24px}
  .cta-in{padding:34px 26px}
}
@media(max-width:680px){
  .links{position:fixed;top:72px;left:0;right:0;flex-direction:column;background:var(--bg);gap:0;padding:8px 24px 18px;border-bottom:1px solid var(--line);box-shadow:0 18px 40px -20px rgba(0,0,0,.25);display:none;z-index:60;align-items:stretch}
  .links.open{display:flex}
  .links a{padding:13px 0;border-bottom:1px solid var(--line)}
  .menu{display:block}
}

/* apps portfolio */
.apps-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:8px}
.app-card{border:1px solid var(--line);background:#fff;padding:32px 34px;display:flex;flex-direction:column;gap:16px;color:var(--ink);transition:.18s}
a.app-card:hover{border-color:var(--accent)}
a.app-card:hover .app-go{color:var(--accent)}
.app-head{display:flex;align-items:center;gap:18px}
.app-head h3{margin-bottom:4px}
.app-logo{width:64px;height:64px;flex:none;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;padding:8px}
.app-logo img{max-width:100%;max-height:100%;object-fit:contain}
.app-mono-mark{font-family:var(--m);font-weight:500;font-size:1.05rem;letter-spacing:.02em}
.app-status{font-family:var(--m);font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;color:var(--soft)}
.app-status.live{color:var(--accent)}
.app-card p{font-size:.97rem}
.app-go{font-family:var(--m);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:var(--soft);margin-top:auto;transition:.18s}
@media(max-width:860px){.apps-grid{grid-template-columns:1fr}}