/* =========================================================
   ALEXANDER CONSTRUCTION — SITE 4 "THE BUILD"
   Scrollytelling: a house that builds as you scroll.
   Blueprint → built. Sora + JetBrains Mono.
   ========================================================= */
:root{
  --bg0:#08111c; --bg1:#0e2235; --bg2:#123049;
  --ink:#eaf2fb; --muted:#8ba1b6; --dim:#5a728a;
  --line:#1d3850;
  --cyan:#37c4dd; --cyan-soft:rgba(55,196,221,.5);
  --amber:#f6a623; --amber-deep:#e08a00;
  /* materials */
  --concrete:#9aa3ab; --concrete-d:#7c858d;
  --wood:#cda86a; --wood-d:#a9854a;
  --osb:#c6a46d; --osb-d:#a98a55;
  --shingle:#363b43; --shingle-2:#2c3037; --shingle-edge:#1f2329;
  --siding:#aab6bb; --siding-d:#8b999f; --siding-line:#7c8a90;
  --trim:#f4f1ea; --door:#b23b3b; --door-d:#8f2e2e;
  --glass:#6f96b6; --glow:#ffce6e;
  --grass:#3c5740; --grass-d:#2c4230; --tree:#54744f; --trunk:#6b4a30;
  --font:'Sora',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --pad:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.22,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:clip}            /* clip (not hidden) so position:sticky keeps working */
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg0);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:#1a1206;padding:10px 16px;z-index:200;font-weight:700}
.skip:focus{left:8px;top:8px}
.kicker{font-family:var(--mono);font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);display:inline-flex;align-items:center;gap:.6em;margin:0 0 1.2rem}
.kicker--dark{color:var(--amber-deep)}
.blip{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 var(--cyan-soft);animation:blip 2s infinite}
@keyframes blip{0%{box-shadow:0 0 0 0 var(--cyan-soft)}70%{box-shadow:0 0 0 8px transparent}100%{box-shadow:0 0 0 0 transparent}}

/* ---------- header ---------- */
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;gap:1.4rem;
  padding:.7rem var(--pad);transition:background .35s,backdrop-filter .35s,border-color .35s;
  border-bottom:1px solid transparent}
.hdr.is-stuck{background:rgba(8,17,28,.82);backdrop-filter:blur(12px);border-bottom-color:var(--line)}
.brand{display:inline-flex;align-items:center;gap:.65rem;color:var(--ink)}
.brand__mark{color:var(--cyan)}
.brand__txt{font-weight:800;letter-spacing:.04em;line-height:1;display:flex;flex-direction:column}
.brand__txt small{font-family:var(--mono);font-weight:400;font-size:.56rem;letter-spacing:.18em;color:var(--dim);margin-top:.35em}
.nav{margin-left:auto;display:flex;align-items:center;gap:.4rem}
.nav>a{font-weight:600;font-size:.92rem;padding:.5em .8em;color:var(--muted);border-radius:7px}
.nav>a:hover{color:var(--ink)}
.nav__cta{background:var(--amber);color:#1a1206!important;font-weight:700}
.nav__cta:hover{background:var(--amber-deep)}
.hdr__phone{font-family:var(--mono);font-weight:700;font-size:.9rem;color:var(--ink)}
.hdr__phone:hover{color:var(--amber)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;
  background:radial-gradient(120% 90% at 70% -10%,var(--bg2),var(--bg0) 60%)}
.hero__grid{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--cyan-soft) 1px,transparent 1px),linear-gradient(90deg,var(--cyan-soft) 1px,transparent 1px);
  background-size:46px 46px;-webkit-mask:radial-gradient(80% 70% at 60% 40%,#000,transparent 75%);mask:radial-gradient(80% 70% at 60% 40%,#000,transparent 75%);opacity:.16}
.hero__inner{position:relative;max-width:1180px;margin-inline:auto;width:100%;padding:6rem var(--pad) 3rem}
.hero__title{font-weight:800;line-height:.98;letter-spacing:-.02em;font-size:clamp(2.8rem,8vw,6.2rem);margin:0}
.hero__title em{font-style:normal;color:transparent;background:linear-gradient(100deg,var(--cyan),#7fe1f0);-webkit-background-clip:text;background-clip:text}
.hero__sub{max-width:54ch;color:var(--muted);font-size:clamp(1rem,1.5vw,1.2rem);margin:1.6rem 0 0}
.hero__sub strong{color:var(--ink);font-weight:600}
.scrollcue{display:inline-flex;align-items:center;gap:.7em;margin-top:2.4rem;font-family:var(--mono);font-size:.82rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.scrollcue svg{animation:bob 1.8s var(--ease) infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* ---------- scrolly stage ---------- */
.scrolly{position:relative;height:780vh}
.stage{position:sticky;top:0;height:100svh;overflow:hidden}
.bg{position:absolute;inset:0;pointer-events:none}
.bg--base{background:
  radial-gradient(120% 80% at 50% 8%,#16314a,transparent 60%),
  linear-gradient(180deg,var(--bg1),var(--bg0) 70%,#06101a)}
.bg--grid{background-image:
  linear-gradient(var(--cyan-soft) 1px,transparent 1px),
  linear-gradient(90deg,var(--cyan-soft) 1px,transparent 1px);
  background-size:42px 42px;opacity:.14;
  -webkit-mask:linear-gradient(180deg,#000 55%,transparent 80%);mask:linear-gradient(180deg,#000 55%,transparent 80%)}
.bg--glow{background:radial-gradient(80% 50% at 50% 100%,rgba(255,176,74,.30),transparent 65%);opacity:0}
.bg--stars{opacity:0}
.bg--stars i{position:absolute;width:2px;height:2px;border-radius:50%;background:#dff0ff;opacity:.85;animation:tw 3.5s ease-in-out infinite}
@keyframes tw{0%,100%{opacity:.25}50%{opacity:.9}}

#house{position:absolute;inset:0;width:100%;height:100%}
#house .draw{stroke-linecap:round;stroke-linejoin:round}
.gb{transform-box:fill-box;transform-origin:bottom}
.gc{transform-box:fill-box;transform-origin:center}
/* worker hammer/arm motion */
.arm{transform-box:fill-box;transform-origin:88% 12%;animation:hammer .5s ease-in-out infinite}
@keyframes hammer{0%,100%{transform:rotate(8deg)}50%{transform:rotate(-34deg)}}
.smoke{opacity:0}
.smoke i{position:absolute}

/* ---------- captions ---------- */
.captions{position:absolute;left:var(--pad);top:50%;transform:translateY(-50%);max-width:400px;z-index:5;pointer-events:none}
.cap{position:absolute;left:0;top:0;opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.cap.on{opacity:1;transform:none;position:relative}
.cap__num{font-family:var(--mono);font-size:.82rem;letter-spacing:.2em;color:var(--amber)}
.cap__title{font-weight:800;font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.04;margin:.4rem 0 .7rem;letter-spacing:-.01em}
.cap__text{color:var(--muted);font-size:1.02rem;max-width:38ch}
.cap__rule{width:54px;height:2px;background:var(--cyan);margin-top:1.1rem}

/* ---------- HUD ---------- */
.hud{position:absolute;left:var(--pad);right:var(--pad);bottom:26px;z-index:6}
.hud__row{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--mono);
  font-size:.72rem;letter-spacing:.18em;color:var(--muted);margin-bottom:.5rem}
.hud__pct{color:var(--cyan);font-weight:700;font-size:.95rem}
.hud__bar{height:4px;background:rgba(255,255,255,.08);border-radius:3px;overflow:hidden}
.hud__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--amber));transition:width .12s linear}
.hud__ticks{display:flex;justify-content:space-between;margin-top:.5rem}
.hud__ticks b{font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;color:var(--dim);font-weight:400;
  text-transform:uppercase;transition:color .3s}
.hud__ticks b.done{color:var(--cyan)}
.hud__ticks b.active{color:var(--amber)}
.hint{position:absolute;right:var(--pad);top:calc(var(--pad) + 40px);font-family:var(--mono);font-size:.72rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--dim);z-index:6;transition:opacity .4s}

/* ---------- trades ---------- */
.trades{background:#f4f1ea;color:#1b1f24;padding:clamp(64px,9vw,120px) 0}
.h2{font-weight:800;font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.02;letter-spacing:-.015em;margin:0}
.lede{max-width:60ch;color:#5a606a;font-size:1.08rem;margin:1.1rem 0 0}
.trades__list{list-style:none;margin:clamp(36px,5vw,60px) 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2vw,28px)}
.trades__list li{border-top:2px solid #1b1f24;padding-top:1.1rem}
.trades__list span{font-family:var(--mono);font-weight:700;color:var(--amber-deep);font-size:.9rem}
.trades__list h3{font-weight:700;font-size:1.3rem;margin:.5rem 0 .4rem}
.trades__list p{margin:0;color:#5a606a;font-size:.96rem}

/* ---------- cta ---------- */
.cta{background:
  radial-gradient(90% 70% at 80% 0%,#16314a,transparent 60%),
  linear-gradient(180deg,var(--bg1),var(--bg0));padding:clamp(64px,9vw,120px) 0}
.cta__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.cta__title{font-weight:800;font-size:clamp(2.1rem,4.4vw,3.4rem);line-height:1.04;margin:0 0 1rem;letter-spacing:-.015em}
.cta__title em{font-style:normal;color:var(--amber)}
.cta__lede{color:var(--muted);max-width:46ch;font-size:1.06rem;margin:0}
.phone-xl{display:inline-flex;align-items:center;gap:.55em;margin:1.8rem 0 1rem;font-family:var(--mono);font-weight:700;
  font-size:clamp(1.5rem,3vw,2.2rem);color:var(--ink)}
.phone-xl:hover{color:var(--amber)}
.phone-xl svg{color:var(--amber)}
.trust{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;color:var(--dim)}

.form{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:16px;padding:clamp(22px,2.4vw,30px);
  box-shadow:0 40px 80px -50px #000}
.form__row{margin-bottom:.9rem}
.form__row--2{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.form label{display:flex;flex-direction:column;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);gap:.45rem}
.form label span{color:var(--dim)}
.form input,.form select,.form textarea{font-family:var(--font);font-size:.98rem;color:var(--ink);background:var(--bg0);
  border:1px solid var(--line);border-radius:9px;padding:.72em .85em;width:100%;resize:vertical;transition:border-color .2s,box-shadow .2s}
.form input::placeholder,.form textarea::placeholder{color:#4d6379}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(246,166,35,.18)}
.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;font-weight:700;font-size:1rem;
  padding:1em 1.4em;border:none;border-radius:10px;cursor:pointer;transition:transform .2s var(--ease),background .2s}
.btn--amber{background:var(--amber);color:#1a1206}
.btn--amber:hover{background:var(--amber-deep);transform:translateY(-2px)}
.form__note{font-family:var(--mono);font-size:.72rem;text-align:center;color:var(--dim);margin:.9rem 0 0}
.form.sent .form__row,.form.sent .btn{display:none}
.form.sent .form__note{color:var(--ink);font-size:1rem}

/* ---------- footer ---------- */
.ftr{background:var(--bg0);border-top:1px solid var(--line);padding-top:clamp(40px,5vw,64px)}
.ftr__grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;padding-bottom:28px}
.ftr__name{font-weight:800;letter-spacing:.04em;margin:0}
.ftr__tag{font-family:var(--mono);color:var(--amber);margin:.4rem 0 0;font-size:.85rem}
.ftr__meta{display:flex;flex-direction:column;gap:.3rem;text-align:right;font-size:.92rem;color:var(--muted)}
.ftr__meta a:hover{color:var(--amber)}
.ftr__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid var(--line);
  padding:18px 0;font-family:var(--mono);font-size:.72rem;color:var(--dim)}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .nav>a:not(.nav__cta){display:none}
  .hdr__phone{display:none}
  /* captions move to the top so they never sit on the (now larger) house;
     offset clears the fixed nav */
  .captions{top:calc(var(--pad) + 66px);bottom:auto;left:var(--pad);right:var(--pad);transform:none;max-width:none}
  .cap{background:rgba(8,17,28,.5);backdrop-filter:blur(5px);border:1px solid var(--line);border-radius:13px;padding:13px 16px}
  .cap__num{font-size:.74rem}
  .cap__title{font-size:1.4rem;margin:.3rem 0 .45rem}
  .cap__text{max-width:none;font-size:.92rem}
  .cap__rule{margin-top:.7rem}
  #house{inset:0 0 84px 0}          /* lift the house clear of the HUD bar */
  .hud{bottom:18px}
  .trades__list{grid-template-columns:1fr}
  .cta__grid{grid-template-columns:1fr}
  .ftr__meta{text-align:left}
}
@media (max-width:560px){
  .form__row--2{grid-template-columns:1fr}
  .cap__title{font-size:1.5rem}
  .hint{display:none}
}

/* ---------- reduced motion ----------
   The build is scroll-CONTROLLED (the visitor drives it), so it stays on for
   everyone. We only switch off the auto-looping flourishes. */
@media (prefers-reduced-motion:reduce){
  .blip,.scrollcue svg,.bg--stars i,.smoke i{animation:none!important}
}