/* =========================================================
   IRONCOAT — Premium Epoxy Floor Coatings
   Design system: graphite base · molten-copper accent
   ========================================================= */
:root{
  --bg:#0b0c0e;
  --bg-2:#101216;
  --surface:#15181d;
  --surface-2:#1b1f26;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#f5f6f8;
  --muted:#9aa1ab;
  --muted-2:#6f7680;
  --accent:#f08a3c;
  --accent-2:#ffce8a;
  --accent-ink:#1a0f05;
  --grad-accent:linear-gradient(120deg,#f5813a 0%,#ffb865 55%,#ffd79a 100%);
  --grad-sheen:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0));
  --shadow:0 24px 60px -20px rgba(0,0,0,.7);
  --shadow-lg:0 40px 90px -30px rgba(0,0,0,.8);
  --r-sm:12px; --r:18px; --r-lg:26px; --r-pill:999px;
  --wrap:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg); color:var(--text);
  line-height:1.6; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.brand__word{font-family:'Space Grotesk',sans-serif;line-height:1.05;letter-spacing:-.02em;font-weight:600}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--accent-2)}
.wrap{width:min(var(--wrap),92vw);margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.95rem;
  padding:.85em 1.5em;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--grad-accent);color:var(--accent-ink);cursor:pointer;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s var(--ease);
  box-shadow:0 10px 30px -10px rgba(240,138,60,.6);white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 40px -12px rgba(240,138,60,.75)}
.btn svg path{transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--lg{padding:1.05em 1.9em;font-size:1.02rem}
.btn--sm{padding:.6em 1.1em;font-size:.88rem}
.btn--block{width:100%}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line-2);box-shadow:none;backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(255,255,255,.06);border-color:var(--line-2);box-shadow:none}

/* ---------- Nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;transition:background .4s var(--ease),border-color .4s var(--ease),padding .3s var(--ease);
  border-bottom:1px solid transparent}
.nav.is-stuck{background:rgba(11,12,14,.72);backdrop-filter:blur(16px) saturate(140%);border-bottom-color:var(--line)}
.nav__inner{width:min(var(--wrap),94vw);margin-inline:auto;display:flex;align-items:center;gap:2rem;
  padding:1.15rem 0;transition:padding .3s var(--ease)}
.nav.is-stuck .nav__inner{padding:.7rem 0}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.15rem;letter-spacing:.01em}
.brand__mark{color:var(--accent);display:grid;place-items:center}
.brand__word span{color:var(--accent)}
.nav__links{display:flex;gap:1.6rem;margin-left:auto;font-size:.94rem;color:var(--muted)}
.nav__links a{position:relative;padding:.3rem 0;transition:color .25s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad-accent);transition:width .3s var(--ease)}
.nav__links a:hover{color:var(--text)}
.nav__links a:hover::after{width:100%}
.nav__cta{display:flex;align-items:center;gap:1.1rem}
.nav__phone{display:inline-flex;align-items:center;gap:.45rem;font-weight:600;font-size:.92rem;color:var(--text)}
.nav__phone svg{color:var(--accent)}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:.4rem}
.nav__burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease)}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__video{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.03)}
.hero__scrim{position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(8,9,11,.62) 0%,rgba(8,9,11,.34) 46%,rgba(8,9,11,.12) 74%,rgba(8,9,11,.34) 100%),
    linear-gradient(0deg,rgba(8,9,11,.8) 0%,rgba(8,9,11,0) 40%,rgba(8,9,11,.32) 100%);
}
.hero__grain{position:absolute;inset:0;opacity:.5;mix-blend-mode:overlay;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E")}
.hero__content{position:relative;z-index:2;width:min(var(--wrap),92vw);margin-inline:auto;padding-top:6rem}

/* Darker-hue contrast panel behind the hero copy — the whole card slides in
   from the left at the END of the video; inner lines settle a beat later. */
.hero__panel{
  max-width:660px;
  padding:clamp(1.7rem,2.6vw,2.7rem) clamp(1.7rem,2.8vw,3rem);
  border-radius:24px;
  background:linear-gradient(105deg,rgba(6,7,9,.9) 0%,rgba(10,12,16,.72) 55%,rgba(12,14,18,.34) 100%);
  backdrop-filter:blur(12px) saturate(120%);
  -webkit-backdrop-filter:blur(12px) saturate(120%);
  border:1px solid rgba(255,255,255,.09);
  border-left:3px solid var(--accent);
  box-shadow:0 34px 90px -34px rgba(0,0,0,.9);
  opacity:0;transform:translateX(-72px);
  transition:opacity 1s var(--ease),transform 1s var(--ease);
}
.hero.reveal-in .hero__panel{opacity:1;transform:none}

.hero__eyebrow,.hero__title .line,.hero__sub,.hero__actions,.hero__trust{
  opacity:0;transform:translateX(-22px);
  transition:opacity .8s var(--ease),transform .8s var(--ease);
}
.hero.reveal-in .hero__eyebrow{opacity:1;transform:none;transition-delay:.3s}
.hero.reveal-in .hero__title .line:nth-child(1){opacity:1;transform:none;transition-delay:.4s}
.hero.reveal-in .hero__title .line:nth-child(2){opacity:1;transform:none;transition-delay:.52s}
.hero.reveal-in .hero__sub{opacity:1;transform:none;transition-delay:.66s}
.hero.reveal-in .hero__actions{opacity:1;transform:none;transition-delay:.8s}
.hero.reveal-in .hero__trust{opacity:1;transform:none;transition-delay:.92s}

.hero__eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-2);font-weight:600;margin-bottom:1.4rem}
.hero__eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(240,138,60,.2);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(240,138,60,.2)}50%{box-shadow:0 0 0 8px rgba(240,138,60,0)}}
.hero__title{font-size:clamp(2.7rem,7vw,5.3rem);font-weight:700;margin-bottom:1.4rem}
.hero__title .line{display:block}
.hero__title .accent{background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{font-size:clamp(1.05rem,1.6vw,1.28rem);color:#d7dbe1;max-width:60ch;margin-bottom:2.2rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2.4rem}
.hero__trust{display:flex;flex-wrap:wrap;gap:1.6rem;list-style:none;font-size:.9rem;color:var(--muted)}
.hero__trust li{position:relative;padding-left:1.5rem}
.hero__trust li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:16px;height:16px;
  background:var(--grad-accent);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m5 13 4 4L19 7' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m5 13 4 4L19 7' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.hero__scroll{position:absolute;left:50%;bottom:1.8rem;transform:translateX(-50%);z-index:3;width:26px;height:42px;border:2px solid var(--line-2);border-radius:var(--r-pill)}
.hero__scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;background:var(--accent);border-radius:2px;transform:translateX(-50%);animation:scroll 1.8s infinite}
@keyframes scroll{0%{opacity:0;top:8px}30%{opacity:1}70%{opacity:1;top:22px}100%{opacity:0;top:22px}}

/* ---------- Stats ---------- */
.stats{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);border-block:1px solid var(--line);position:relative;z-index:5}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-inline:1px solid var(--line);
  overflow:hidden}
.stat{background:var(--bg-2);padding:2.6rem 1.4rem;text-align:center}
.stat__num{display:block;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(2.2rem,4vw,3.2rem);
  background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.02em}
.stat__label{display:block;color:var(--muted);font-size:.9rem;margin-top:.3rem;letter-spacing:.02em}

/* ---------- Section shared ---------- */
section{position:relative}
.section-head{max-width:720px;margin-bottom:3.2rem}
.kicker{display:inline-block;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:1rem}
.section-head h2{font-size:clamp(1.9rem,4vw,3rem);font-weight:600;margin-bottom:1rem}
.lead{color:var(--muted);font-size:1.08rem;max-width:60ch}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Before / After ---------- */
.transform{padding:6.5rem 0}
.ba{position:relative;width:100%;aspect-ratio:16/10;max-height:640px;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);user-select:none;cursor:ew-resize;background:#000}
.ba__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba__before-wrap{position:absolute;inset:0;width:50%;overflow:hidden;will-change:width}
.ba__before-wrap .ba__img{width:100vw;max-width:none}
@media(min-width:1305px){.ba__before-wrap .ba__img{width:min(var(--wrap),92vw)}}
.ba__handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:var(--grad-accent);transform:translateX(-50%);
  display:grid;place-items:center;cursor:ew-resize;box-shadow:0 0 24px rgba(240,138,60,.55)}
.ba__handle svg{background:var(--accent);color:var(--accent-ink);border-radius:50%;padding:8px;width:40px;height:40px;
  box-shadow:0 8px 24px rgba(0,0,0,.5)}
.ba__handle:focus-visible{outline:2px solid var(--accent-2);outline-offset:4px}
.ba__tag{position:absolute;top:1rem;padding:.4rem .9rem;border-radius:var(--r-pill);font-size:.78rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;backdrop-filter:blur(8px);background:rgba(10,11,13,.6);border:1px solid var(--line-2)}
.ba__tag--before{left:1rem}
.ba__tag--after{right:1rem;color:var(--accent-2);border-color:rgba(240,138,60,.4)}

/* ---------- Why / features ---------- */
.why{padding:6.5rem 0;background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.why__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.feature{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:var(--r);
  padding:2rem 1.8rem;transition:transform .4s var(--ease),border-color .4s var(--ease),box-shadow .4s var(--ease);position:relative;overflow:hidden}
.feature::before{content:"";position:absolute;inset:0;background:var(--grad-sheen);opacity:0;transition:opacity .4s}
.feature:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}
.feature:hover::before{opacity:1}
.feature__icon{display:grid;place-items:center;width:54px;height:54px;border-radius:14px;margin-bottom:1.3rem;
  color:var(--accent);background:rgba(240,138,60,.1);border:1px solid rgba(240,138,60,.22)}
.feature h3{font-size:1.22rem;margin-bottom:.55rem}
.feature p{color:var(--muted);font-size:.97rem}

/* ---------- Colors ---------- */
.colors{padding:6.5rem 0;background:var(--bg)}
.colors__filter{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2.2rem}
.chip-filter{font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:.9rem;padding:.55em 1.2em;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);color:var(--muted);cursor:pointer;transition:.28s var(--ease)}
.chip-filter:hover{color:var(--text);border-color:var(--line-2)}
.chip-filter.is-active{background:var(--grad-accent);color:var(--accent-ink);border-color:transparent}
.colors__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.swatch{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:1;border:1px solid var(--line);cursor:pointer;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),opacity .4s,filter .4s;background:#111}
.swatch img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.swatch:hover{transform:translateY(-6px);box-shadow:var(--shadow);z-index:2}
.swatch:hover img{transform:scale(1.08)}
.swatch__label{position:absolute;inset:auto 0 0 0;padding:1.4rem .9rem .8rem;display:flex;justify-content:space-between;align-items:flex-end;
  background:linear-gradient(0deg,rgba(6,7,9,.9),transparent);font-size:.9rem;font-weight:600;font-family:'Space Grotesk',sans-serif}
.swatch__tone{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-2);font-weight:600;opacity:.9}
.swatch.is-hidden{display:none}
.colors__cta{margin-top:2.4rem;color:var(--muted);font-size:.98rem}
.colors__cta a{color:var(--accent-2);font-weight:600;border-bottom:1px solid rgba(255,206,138,.35)}

/* ---------- Process ---------- */
.process{padding:6.5rem 0;background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:2rem 1.6rem;position:relative}
.step__no{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:2.4rem;background:var(--grad-accent);
  -webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:1rem;letter-spacing:-.03em}
.step h3{font-size:1.15rem;margin-bottom:.55rem}
.step p{color:var(--muted);font-size:.95rem}
.step::after{content:"";position:absolute;top:2.9rem;right:-.9rem;width:1.2rem;height:2px;background:var(--line-2);z-index:2}
.step:last-child::after{display:none}

/* ---------- Reviews ---------- */
.reviews{padding:6.5rem 0;background:var(--bg-2)}
.reviews__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.review{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:var(--r);
  padding:2rem 1.8rem;display:flex;flex-direction:column;gap:1.1rem}
.review__stars{color:var(--accent);letter-spacing:.15em;font-size:1.05rem}
.review blockquote{font-size:1.05rem;line-height:1.6;color:#e7eaee}
.review figcaption{display:flex;flex-direction:column;margin-top:auto}
.review figcaption strong{font-family:'Space Grotesk',sans-serif;font-weight:600}
.review figcaption span{color:var(--muted-2);font-size:.85rem}

/* ---------- Quote ---------- */
.quote{padding:6.5rem 0;background:
  radial-gradient(1000px 500px at 85% -10%,rgba(240,138,60,.14),transparent 60%),var(--bg)}
.quote__inner{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.quote__copy h2{font-size:clamp(2rem,3.6vw,2.9rem);margin-bottom:1.1rem}
.quote__phone{display:inline-flex;align-items:center;gap:.6rem;margin-top:1.8rem;font-family:'Space Grotesk',sans-serif;
  font-weight:600;font-size:1.35rem}
.quote__phone svg{color:var(--accent)}
.quote__form{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:var(--r-lg);
  padding:2.2rem;box-shadow:var(--shadow)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:.4rem;font-weight:500;letter-spacing:.02em}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r-sm);
  padding:.85rem 1rem;color:var(--text);font-family:inherit;font-size:.98rem;transition:border-color .25s,box-shadow .25s}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(240,138,60,.18)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6' fill='none' stroke='%239aa1ab' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:18px}
.quote__note{margin-top:1rem;color:var(--accent-2);font-size:.92rem;text-align:center}

/* ---------- Footer ---------- */
.footer{background:var(--bg);border-top:1px solid var(--line);padding-top:4rem}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem;padding-bottom:3rem}
.brand--foot{font-size:1.2rem;margin-bottom:1rem}
.footer__brand p{color:var(--muted);font-size:.95rem;max-width:34ch;margin-top:1rem}
.footer__col h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:1.1rem;font-weight:600}
.footer__col a,.footer__col span{display:block;color:var(--muted);font-size:.95rem;margin-bottom:.6rem;transition:color .25s}
.footer__col a:hover{color:var(--accent-2)}
.footer__bar{border-top:1px solid var(--line);padding:1.5rem 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;
  width:min(var(--wrap),92vw);margin-inline:auto;color:var(--muted-2);font-size:.85rem}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .why__grid,.steps,.reviews__grid{grid-template-columns:repeat(2,1fr)}
  .colors__grid{grid-template-columns:repeat(3,1fr)}
  .quote__inner{grid-template-columns:1fr;gap:2.2rem}
  .step::after{display:none}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav__links,.nav__cta .nav__phone{display:none}
  .nav__burger{display:flex}
  .nav__links.is-open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(11,12,14,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:.5rem 6vw 1.2rem}
  .nav__links.is-open a{padding:.9rem 0;border-bottom:1px solid var(--line)}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .why__grid,.steps,.reviews__grid,.colors__grid{grid-template-columns:1fr}
  .colors__grid{grid-template-columns:repeat(2,1fr)}
  .hero__content{padding-top:7rem}
  .ba{aspect-ratio:4/3}
  .footer__grid{grid-template-columns:1fr}
}

/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal,.hero__panel,.hero__eyebrow,.hero__title .line,.hero__sub,.hero__actions,.hero__trust{opacity:1!important;transform:none!important}
}