/* Norling Construction and Design · one-page site
   Light and dark follow the visitor's system setting. */

:root{
  --red:#EE3A42;
  --grey:#DCDDDE;
  --bg:#f7f7f5; --bg-2:#ffffff; --fg:#111; --muted:#5c5c58; --hair:#e2e2de;
  --ink-mark:#111;
  --ok:#2c8a4b; --bad:#c9262e;
  --nav-h:60px;
  /* Hero photo shown through the mark. Swap the two lines to try the other crop.
     Crops are portrait 451:950 to match the mark, cut from the originals. */
  --hero-image:url("assets/hero-kitchen.jpg");
  /* --hero-image:url("assets/hero-house.jpg"); */
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){ --bg:#0b0b0b; --bg-2:#141414; --fg:#f2f2f0; --muted:#9a9a95; --hair:#232323; --ink-mark:#fff; color-scheme:dark; }
}
:root[data-theme="dark"]{ --bg:#0b0b0b; --bg-2:#141414; --fg:#f2f2f0; --muted:#9a9a95; --hair:#232323; --ink-mark:#fff; color-scheme:dark; }
:root[data-theme="light"]{ color-scheme:light; }

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{margin:0;background:var(--bg);color:var(--fg);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
h1,h2,h3{margin:0;line-height:1.05;letter-spacing:-.02em}
.wrap{max-width:1100px;margin:0 auto;padding:0 1.5rem}
.skip{position:absolute;left:-999px;top:0;background:var(--fg);color:var(--bg);padding:.5rem 1rem}
.skip:focus{left:1rem;top:1rem;z-index:100}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;
  background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--hair)}
.nav-brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.85rem}
.nav-brand img{height:30px;width:auto}
.nav nav{display:flex;gap:1.6rem}
.nav nav a{text-decoration:none;font-size:.9rem;font-weight:500;color:var(--muted);padding:.4rem 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.nav nav a:hover,.nav nav a.active{color:var(--fg);border-bottom-color:var(--red)}
@media (max-width:520px){.nav nav{gap:1rem}.nav nav a{font-size:.8rem}.nav-brand span{display:none}}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:grid;place-items:center;padding:calc(var(--nav-h) + 2rem) 1.5rem 3rem;overflow:hidden;position:relative}
.hero-inner{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:clamp(1.5rem,5vw,4.5rem);max-width:1200px;width:100%}
.hero-mark{
  height:min(78svh,calc(100vw * .42));aspect-ratio:451/950;
  background:var(--hero-image,url("assets/hero-kitchen.jpg")) center/cover no-repeat, var(--ink-mark);
  -webkit-mask:var(--mark) center/contain no-repeat;mask:var(--mark) center/contain no-repeat;
  animation:rise 1.1s cubic-bezier(.2,.7,.2,1) both;
}
.hero-text{animation:rise 1.1s .15s cubic-bezier(.2,.7,.2,1) both}
.hero h1{font-size:clamp(2.4rem,6.4vw,6.4rem);line-height:1;display:inline-flex;flex-direction:column;align-items:flex-start}
.hero h1 .wm{font-weight:800;letter-spacing:.055em;line-height:1;display:block}
.hero h1 .sub{display:block;font-weight:300;font-size:.245em;letter-spacing:.2em;white-space:nowrap;margin-top:.22em;line-height:1;color:var(--fg)}
.hero-sub{max-width:34ch;color:var(--muted);font-size:clamp(1rem,1.5vw,1.2rem);margin:1.8rem 0 2rem}
.hero-cta{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:600;font-size:.95rem;
  border:1.5px solid var(--fg);border-radius:999px;padding:.7rem 1.3rem;transition:background .2s,color .2s}
.hero-cta:hover{background:var(--fg);color:var(--bg)}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media (max-width:760px){
  .hero{padding-top:calc(var(--nav-h) + 1rem)}
  .hero-inner{grid-template-columns:1fr;justify-items:center;text-align:center;gap:2rem}
  .hero h1{align-items:center}
  .hero-mark{height:min(48svh,calc(100vw * .9))}
  .hero-sub{margin-left:auto;margin-right:auto}
}

/* ---------- separators ---------- */
.sep{display:flex;justify-content:center;align-items:center;gap:1.25rem;padding:1rem 0}
.sep::before,.sep::after{content:"";height:1px;width:min(28vw,220px);background:var(--hair)}
.sep img{height:44px;width:auto}

/* ---------- sections ---------- */
.work,.contact{padding:clamp(4rem,9vw,7rem) 0}
.eyebrow{font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--red);font-weight:600;margin:0 0 1rem}
.work h2,.contact h2{font-size:clamp(1.9rem,4.2vw,3.4rem);font-weight:800;letter-spacing:-.03em;max-width:20ch;margin-bottom:2rem}
.prose{max-width:62ch;font-size:clamp(1.05rem,1.35vw,1.2rem)}
.prose p{margin:0 0 1.4em}
.prose .lead{font-weight:600;font-size:1.12em;letter-spacing:-.01em;border-left:3px solid var(--red);padding-left:1.1rem}
.areas{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--hair)}
.areas h3{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:1rem}
.areas ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.6rem}
.areas li{border:1px solid var(--hair);background:var(--bg-2);border-radius:999px;padding:.45rem .95rem;font-weight:500;font-size:.95rem}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-mark,.hero-text{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- contact form ---------- */
.contact .intro{max-width:56ch;color:var(--muted);font-size:1.05rem;margin:0 0 2.5rem}
.form{max-width:720px;background:var(--bg-2);border:1px solid var(--hair);border-radius:16px;padding:clamp(1.25rem,3vw,2.25rem)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
@media (max-width:600px){.row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column}
.field label{font-weight:600;font-size:.9rem;margin-bottom:.45rem}
.field input,.field textarea{
  font:inherit;color:var(--fg);background:var(--bg);border:1.5px solid var(--hair);border-radius:10px;padding:.8rem .95rem;
  transition:border-color .2s,box-shadow .2s;width:100%}
.field textarea{resize:vertical;min-height:9rem;line-height:1.5}
.field input::placeholder,.field textarea::placeholder{color:color-mix(in srgb,var(--muted) 70%,transparent)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--fg);box-shadow:0 0 0 3px color-mix(in srgb,var(--fg) 12%,transparent)}
.field.invalid input,.field.invalid textarea{border-color:var(--bad)}
.field.valid input,.field.valid textarea{border-color:var(--ok)}
/* validation message: fixed-height slot so the layout never shifts */
.msg{margin:0;min-height:1.5rem;font-size:.82rem;line-height:1.5rem;padding-top:.15rem;color:var(--bad);visibility:hidden}
.msg.show{visibility:visible}
.msg.ok{color:var(--ok)}
.hint{font-size:.85rem;color:var(--muted);margin:-.1rem 0 1.5rem;min-height:1.3rem}
.hint.bad{color:var(--bad)}
.actions{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap;margin-top:.5rem}
button#submitBtn{font:inherit;font-weight:600;font-size:1rem;background:var(--red);color:#fff;border:0;border-radius:999px;padding:.85rem 1.8rem;cursor:pointer;transition:opacity .2s,transform .15s}
button#submitBtn:hover:not(:disabled){transform:translateY(-1px)}
button#submitBtn:disabled{opacity:.38;cursor:not-allowed}
.form-status{margin:0;font-size:.9rem;color:var(--muted);min-height:1.4rem}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--hair);padding:3rem 0 3.5rem;background:var(--bg-2)}
.foot .wrap{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;align-items:flex-start}
.foot-brand{display:flex;gap:1rem;align-items:center}
.foot-brand img{height:59px;width:auto}
.foot-brand div{display:flex;flex-direction:column;gap:.15rem;font-size:.92rem}
.foot-brand b{font-weight:700}
.foot-brand span{color:var(--muted)}
.foot-meta{display:flex;flex-direction:column;gap:.35rem;font-size:.82rem;color:var(--muted);text-align:right}
.foot-meta em{font-style:normal;font-weight:600;color:var(--fg)}
/* test-only theme toggle */
.theme-toggle{display:inline-flex;gap:.2rem;margin-top:.6rem;padding:.2rem;border:1px solid var(--hair);border-radius:999px;align-self:flex-end}
.theme-toggle button{font:inherit;font-size:.72rem;font-weight:500;color:var(--muted);background:none;border:0;border-radius:999px;padding:.25rem .65rem;cursor:pointer}
.theme-toggle button[aria-pressed="true"]{background:var(--fg);color:var(--bg)}
@media (max-width:640px){.theme-toggle{align-self:flex-start}}
@media (max-width:640px){.foot .wrap{flex-direction:column}.foot-meta{text-align:left}}