/* ==========================================================================
   O.L. Gustavo Armature Winders — olgustavo.co.za
   Industrial / copper design system.  Built 2026.
   ========================================================================== */

:root{
  /* surfaces */
  --ink:        #0B0C0E;
  --ink-2:      #12141A;
  --ink-3:      #191C23;
  --paper:      #F5F2EC;
  --paper-2:    #E9E4DA;

  /* ink + text */
  --on-dark:    #EDEAE4;
  --on-dark-dim:#9CA3AC;
  --on-light:   #15171B;
  --on-light-dim:#5C6067;

  /* brand — copper (the metal this business winds with) */
  --copper:     #D9832F;
  --copper-hi:  #F0A24A;
  --copper-lo:  #A2591A;

  /* lines */
  --line-d:     rgba(255,255,255,.13);
  --line-l:     rgba(21,23,27,.13);

  /* type */
  --f-head: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --f-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;

  /* rhythm */
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --sec: clamp(4.5rem, 9vw, 8.5rem);
  --wrap: 1240px;
  --r: 4px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--ink);
  color:var(--on-dark);
  font-family:var(--f-body);
  font-size:clamp(1rem, .35vw + .92rem, 1.075rem);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; }

h1,h2,h3,h4{
  font-family:var(--f-head);
  font-weight:800;
  line-height:1.02;
  letter-spacing:-.022em;
  margin:0 0 .6em;
  text-wrap:balance;
}
h1{ font-size:clamp(2.5rem, 7.2vw, 5.6rem); font-weight:900; text-transform:uppercase; letter-spacing:-.03em; }
h2{ font-size:clamp(1.9rem, 4.2vw, 3.4rem); }
h3{ font-size:clamp(1.12rem, 1.4vw, 1.35rem); line-height:1.2; }
p{ margin:0 0 1.1em; }
.muted{ color:var(--on-light-dim); }
.section-dark .muted{ color:var(--on-dark-dim); }
.tiny{ font-size:.82rem; line-height:1.5; }
strong{ font-weight:600; }
.accent{ color:var(--copper); }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }

.skip{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--copper); color:#12141A; padding:.7rem 1.1rem; font-weight:600;
}
.skip:focus{ left:1rem; top:1rem; }

:focus-visible{ outline:2px solid var(--copper-hi); outline-offset:3px; border-radius:2px; }

/* ---------- eyebrow ---------- */
.eyebrow{
  font-family:var(--f-mono); font-size:.74rem; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--copper); margin:0 0 1.1rem;
}
.section-dark .eyebrow{ color:var(--copper-hi); }

/* ---------- buttons ---------- */
.btn{
  --bg:transparent; --fg:var(--on-dark); --bd:var(--line-d);
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  font-family:var(--f-body); font-weight:600; font-size:.95rem; letter-spacing:.01em;
  padding:.85rem 1.5rem; min-height:48px;
  background:var(--bg); color:var(--fg); border:1px solid var(--bd);
  border-radius:var(--r); text-decoration:none; cursor:pointer;
  transition:transform .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }
.btn-solid{ --bg:var(--copper); --fg:#100C07; --bd:var(--copper); }
.btn-solid:hover{ --bg:var(--copper-hi); --bd:var(--copper-hi); }
.btn-outline{ --bd:rgba(255,255,255,.32); }
.btn-outline:hover{ --bd:var(--copper); --fg:var(--copper-hi); }
.btn-outline.dark{ --fg:var(--on-light); --bd:rgba(21,23,27,.3); }
.btn-outline.dark:hover{ --bd:var(--copper); --fg:var(--copper-lo); }
.btn-ghost{ --bd:transparent; padding-inline:.9rem; }
.btn-sm{ padding:.55rem 1rem; font-size:.88rem; min-height:42px; }
.btn-lg{ padding:1.05rem 1.9rem; font-size:1.02rem; min-height:56px; }
.btn-block{ width:100%; }
.dot{ width:7px; height:7px; border-radius:50%; background:var(--copper); box-shadow:0 0 0 3px rgba(217,131,47,.18); }

.link-arrow{
  display:inline-block; font-weight:600; text-decoration:none;
  border-bottom:1px solid var(--copper); padding-bottom:2px; color:var(--copper-lo);
}
.link-arrow:hover{ color:var(--copper); }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:color-mix(in srgb, var(--ink) 82%, transparent);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, background-color .25s ease;
}
.site-header.is-stuck{ border-bottom-color:var(--line-d); background:color-mix(in srgb, var(--ink) 94%, transparent); }
.header-inner{ display:flex; align-items:center; gap:1.5rem; min-height:74px; }

.brand{ display:flex; align-items:center; gap:.7rem; text-decoration:none; margin-right:auto; }
.brand-mark{ width:40px; height:40px; color:var(--copper); flex:0 0 auto; }
.brand-mark svg{ width:100%; height:100%; display:block; }
.brand-text{ display:flex; flex-direction:column; line-height:1.05; }
.brand-text strong{ font-family:var(--f-head); font-weight:900; font-size:1.02rem; letter-spacing:.06em; }
.brand-text em{ font-style:normal; font-family:var(--f-mono); font-size:.63rem; letter-spacing:.13em; text-transform:uppercase; color:var(--on-dark-dim); }

.nav{ display:flex; gap:1.6rem; }
.nav a{
  font-size:.92rem; font-weight:500; text-decoration:none; color:var(--on-dark);
  padding:.4rem 0; border-bottom:1px solid transparent;
}
.nav a:hover{ border-bottom-color:var(--copper); color:var(--copper-hi); }

.header-cta{ display:flex; align-items:center; gap:.6rem; }
.burger{ display:none; width:46px; height:46px; background:none; border:1px solid var(--line-d); border-radius:var(--r); cursor:pointer; padding:0; }
.burger span{ display:block; width:19px; height:2px; background:var(--on-dark); margin:4px auto; transition:transform .2s ease, opacity .2s ease; }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero{
  position:relative; isolation:isolate; overflow:hidden;
  min-height:min(94svh, 900px);
  display:flex; align-items:flex-end;
  padding:clamp(4rem,10vw,7rem) 0 clamp(2.5rem,5vw,4rem);
  background:var(--ink);
}
.hero-bg{ position:absolute; inset:0; z-index:-2; }
.hero-bg img{ width:100%; height:100%; object-fit:cover; object-position:58% 45%; filter:saturate(.5) contrast(1.08) brightness(.5); }
.hero::after{
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    linear-gradient(100deg, var(--ink) 4%, rgba(11,12,14,.92) 34%, rgba(11,12,14,.45) 68%, rgba(11,12,14,.72) 100%),
    linear-gradient(to top, var(--ink) 2%, transparent 46%);
}
.hero-grain{
  position:absolute; inset:0; z-index:-1; opacity:.5; pointer-events:none;
  background-image:linear-gradient(0deg, rgba(217,131,47,.06) 0 1px, transparent 1px 0);
  background-size:100% 3px;
  mask-image:linear-gradient(to bottom, transparent, #000 40%, #000 75%, transparent);
}
.hero-inner{ position:relative; }
.hero h1{ margin-bottom:.7em; }
.hero .lede{ max-width:52ch; font-size:clamp(1.03rem, 1.3vw, 1.22rem); color:#DCD8D1; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:.8rem; margin:2rem 0 2.4rem; }
.hero-trust{
  display:flex; flex-wrap:wrap; gap:.55rem 1.6rem; list-style:none; margin:0; padding:1.2rem 0 0;
  border-top:1px solid var(--line-d); font-size:.9rem; color:var(--on-dark-dim);
}
.hero-trust strong{ color:var(--on-dark); }
.star{ color:var(--copper); }
.star svg{ width:13px; height:13px; fill:var(--copper); vertical-align:-1px; }
.stat-star svg{ width:.5em; height:.5em; fill:var(--copper-hi); vertical-align:super; }
.hero-badge{
  position:absolute; right:var(--pad); top:clamp(1.5rem,6vw,4rem);
  width:104px; height:104px; border-radius:50%;
  border:1px solid rgba(217,131,47,.45); color:var(--copper);
  display:grid; place-content:center; text-align:center;
  font-family:var(--f-mono); font-size:.68rem; letter-spacing:.18em; line-height:1.4;
  background:rgba(11,12,14,.5);
}
.hero-badge span{ display:block; font-family:var(--f-head); font-weight:900; font-size:1.5rem; letter-spacing:-.02em; }

/* ---------- marquee ---------- */
.marquee{
  display:flex; overflow:hidden; gap:0; padding:.95rem 0;
  background:var(--copper); color:#160F07;
  border-block:1px solid rgba(0,0,0,.15);
}
.marquee-track{
  display:flex; align-items:center; gap:1.6rem; flex:0 0 auto;
  padding-right:1.6rem; white-space:nowrap;
  animation:slide 52s linear infinite;
  font-family:var(--f-head); font-weight:700; font-size:.95rem; letter-spacing:.02em; text-transform:uppercase;
}
.marquee-track i{ font-style:normal; font-size:.6rem; opacity:.6; }
.marquee:hover .marquee-track{ animation-play-state:paused; }
@keyframes slide{ from{ transform:translateX(0); } to{ transform:translateX(-100%); } }

/* ---------- sections ---------- */
.section{ padding-block:var(--sec); }
.section-light{ background:var(--paper); color:var(--on-light); }
.section-paper{ background:var(--paper-2); color:var(--on-light); }
.section-dark{ background:var(--ink-2); color:var(--on-dark); }
.section-dark h2, .section-dark h3{ color:var(--on-dark); }
.sec-head{ max-width:68ch; margin-bottom:clamp(2.5rem,5vw,4rem); }

/* ---------- numbers band ---------- */
.band{ background:var(--ink-3); border-block:1px solid var(--line-d); padding-block:clamp(2.2rem,4vw,3.4rem); }
.stat-row{ display:grid; grid-template-columns:repeat(5,1fr); gap:1.6rem 2rem; }
.stat{ display:flex; flex-direction:column; gap:.35rem; }
.stat-n{
  font-family:var(--f-head); font-weight:900; font-size:clamp(1.7rem,3vw,2.5rem);
  line-height:1; color:var(--copper-hi); letter-spacing:-.03em;
}
.stat-star{ font-size:.55em; vertical-align:super; }
.stat-l{ font-size:.85rem; color:var(--on-dark-dim); }

/* ---------- split ---------- */
.split{ display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); gap:clamp(2rem,5vw,4.5rem); align-items:start; }
.split-rev{ grid-template-columns:minmax(0,1fr) minmax(0,1fr); }
.split-head{ position:sticky; top:100px; }
.split-rev .split-head{ position:static; }
.split-media{ margin:0; }
.split-media img{ border-radius:var(--r); filter:saturate(.88) contrast(1.05); }
.split-media figcaption{ font-family:var(--f-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--on-light-dim); margin-top:.8rem; }

/* ---------- capability list ---------- */
.cap-list{ list-style:none; margin:0; padding:0; counter-reset:cap; }
.cap-list li{
  display:grid; grid-template-columns:64px 1fr; gap:1rem;
  padding:1.15rem 0; border-top:1px solid var(--line-l);
  transition:transform .2s ease;
}
.cap-list li:last-child{ border-bottom:1px solid var(--line-l); }
.cap-list li:hover{ transform:translateX(6px); }
.cap-i{ font-family:var(--f-mono); font-size:.8rem; color:var(--copper-lo); padding-top:.35rem; }
.cap-list h3{ margin:0 0 .25rem; }
.cap-list p{ margin:0; font-size:.94rem; color:var(--on-light-dim); }

/* ---------- mosaic ---------- */
.mosaic{ display:grid; grid-template-columns:repeat(6,1fr); gap:14px; }
.tile{
  grid-column:span 2; position:relative; overflow:hidden;
  border-radius:var(--r); background:var(--ink-3);
  border:1px solid var(--line-d);
  min-height:250px; display:flex; flex-direction:column; justify-content:flex-end;
}
.tile-wide{ grid-column:span 4; }
.tile img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  filter:saturate(.72) contrast(1.1) brightness(.72);
  transition:transform .7s cubic-bezier(.2,.7,.2,1), filter .5s ease;
}
.tile::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(9,10,12,.94) 6%, rgba(9,10,12,.55) 46%, rgba(9,10,12,.12) 100%);
}
.tile:hover img{ transform:scale(1.05); filter:saturate(.95) contrast(1.08) brightness(.8); }
.tile-body{ position:relative; z-index:2; padding:1.35rem 1.4rem; }
.tile-body h3{ margin:0 0 .3rem; font-size:1.1rem; }
.tile-body p{ margin:0; font-size:.9rem; color:#C9C6BF; max-width:46ch; }
.tile-cta{
  grid-column:span 2; min-height:250px; background:linear-gradient(160deg, var(--copper-lo), var(--copper));
  border-color:transparent; color:#160F07; justify-content:center;
}
.tile-cta::after{ display:none; }
.tile-cta .tile-body{ padding:1.6rem; }
.tile-cta h3{ font-size:1.25rem; color:#160F07; }
.tile-cta p{ color:rgba(22,15,7,.8); }
.tile-cta a{ font-weight:700; color:#160F07; }

/* ---------- fact list ---------- */
.fact-list{ list-style:none; margin:1.8rem 0 0; padding:0; display:grid; gap:.55rem; }
.fact-list li{ position:relative; padding-left:1.6rem; font-size:.96rem; color:var(--on-light); }
.fact-list li::before{
  content:""; position:absolute; left:0; top:.62em;
  width:9px; height:9px; border:1.5px solid var(--copper); border-radius:50%;
}

/* ---------- steps ---------- */
.steps{ list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(4,1fr); gap:0; }
.steps li{ position:relative; padding:2rem 1.6rem 0 0; border-top:1px solid var(--line-d); }
.steps li::before{
  content:""; position:absolute; top:-5px; left:0; width:9px; height:9px;
  background:var(--copper); border-radius:50%;
}
.step-n{ font-family:var(--f-mono); font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--copper-hi); }
.steps h3{ margin:.7rem 0 .5rem; }
.steps p{ font-size:.94rem; color:var(--on-dark-dim); margin:0; }

/* ---------- reviews / share ---------- */
.rev-wrap{ display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(1.5rem,4vw,3rem); align-items:stretch; }
.rev-card,.share-card{ padding:clamp(1.6rem,3.4vw,2.6rem); border-radius:var(--r); }
.rev-card{ background:#fff; border:1px solid var(--line-l); }
.share-card{ background:var(--ink-2); color:var(--on-dark); }
.share-card h3{ color:var(--on-dark); font-size:clamp(1.5rem,2.4vw,2rem); }
.rev-card h2{ margin-bottom:.5rem; }
.rev-actions{ display:flex; flex-wrap:wrap; gap:.7rem; margin:1.5rem 0 .9rem; }
.rev-card .eyebrow{ color:var(--copper-lo); }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:clamp(2rem,5vw,4rem); align-items:start; }
.contact-list{ margin:2rem 0 0; display:grid; gap:1.1rem; }
.contact-list dt{ font-family:var(--f-mono); font-size:.7rem; letter-spacing:.18em; text-transform:uppercase; color:var(--copper-hi); margin-bottom:.2rem; }
.contact-list dd{ margin:0; font-size:1.02rem; }
.contact-list dd a{ color:var(--on-dark); text-decoration:none; border-bottom:1px solid var(--line-d); }
.contact-list dd a:hover{ border-bottom-color:var(--copper); color:var(--copper-hi); }
.c-all-actions{ display:flex; flex-wrap:wrap; gap:.7rem; margin-top:2rem; }

.contact-side{ display:grid; gap:1.4rem; }
.map-frame{ border:1px solid var(--line-d); border-radius:var(--r); overflow:hidden; height:340px; background:var(--ink-3); filter:grayscale(.25) contrast(1.02); }
.map-frame iframe{ display:block; width:100%; height:100%; }

.quote{ background:var(--ink-3); border:1px solid var(--line-d); border-radius:var(--r); padding:clamp(1.4rem,3vw,2.1rem); }
.quote h3{ margin-bottom:.35rem; }
.quote label{ display:block; font-family:var(--f-mono); font-size:.7rem; letter-spacing:.16em; text-transform:uppercase; color:var(--on-dark-dim); margin-bottom:.9rem; }
.field-2{ display:grid; grid-template-columns:1fr 1fr; gap:.9rem; }
.quote input,.quote textarea{
  display:block; width:100%; margin-top:.45rem;
  background:var(--ink); color:var(--on-dark);
  border:1px solid var(--line-d); border-radius:var(--r);
  padding:.75rem .85rem; font-family:var(--f-body); font-size:1rem; min-height:48px;
}
.quote textarea{ resize:vertical; }
.quote input:focus,.quote textarea:focus{ border-color:var(--copper); outline:none; box-shadow:0 0 0 3px rgba(217,131,47,.16); }

/* ---------- footer ---------- */
.site-footer{ background:var(--ink); border-top:1px solid var(--line-d); padding:clamp(2.2rem,4vw,3.4rem) 0 5rem; }
.foot-inner{ display:grid; grid-template-columns:1.2fr auto; gap:1.4rem 2rem; align-items:start; }
.foot-brand{ font-family:var(--f-head); font-weight:900; letter-spacing:.08em; font-size:.95rem; margin:0 0 .4rem; }
.foot-nav{ display:flex; flex-wrap:wrap; gap:1.2rem; }
.foot-nav a{ font-size:.9rem; text-decoration:none; color:var(--on-dark-dim); }
.foot-nav a:hover{ color:var(--copper-hi); }
.foot-inner > .tiny{ grid-column:1 / -1; padding-top:1.2rem; border-top:1px solid var(--line-d); margin:0; }

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none; position:fixed; left:0; right:0; bottom:0; z-index:110;
  background:color-mix(in srgb, var(--ink) 96%, transparent);
  border-top:1px solid var(--line-d);
  padding:.5rem .6rem calc(.5rem + env(safe-area-inset-bottom));
  gap:.5rem;
}
.mobile-bar a{
  display:flex; align-items:center; justify-content:center; gap:.4rem;
  min-height:50px; text-decoration:none; border-radius:var(--r);
  font-weight:600; font-size:.88rem; border:1px solid var(--line-d); color:var(--on-dark);
  white-space:nowrap; min-width:0;
}
.mobile-bar .mb-primary{ background:var(--copper); border-color:var(--copper); color:#160F07; }
.mobile-bar .mb-wa{ background:#25D366; border-color:#25D366; color:#06301C; }
.mobile-bar svg{ width:15px; height:15px; fill:currentColor; flex:0 0 auto; }

/* JS-managed WhatsApp buttons must stay hidden until the script confirms a
   number is configured — .btn/.mobile-bar a would otherwise out-specify [hidden] */
.wa-cta[hidden]{ display:none !important; }

/* ---------- reveal (only hidden when JS is running, so nothing is ever
     invisible for no-JS visitors, crawlers or if the script fails) ---------- */
html.js .reveal{ opacity:0; transform:translateY(18px); }
html.js .reveal.in{ opacity:1; transform:none; transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav{ display:none; }
  .burger{ display:block; }
  .nav.is-open{
    display:flex; flex-direction:column; gap:.2rem;
    position:absolute; left:0; right:0; top:100%;
    background:var(--ink); border-bottom:1px solid var(--line-d);
    padding:1rem var(--pad) 1.5rem;
  }
  .nav.is-open a{ padding:.85rem 0; border-bottom:1px solid var(--line-d); font-size:1.05rem; }
  .split,.split-rev{ grid-template-columns:1fr; }
  .split-head{ position:static; }
  .stat-row{ grid-template-columns:repeat(3,1fr); }
  .steps{ grid-template-columns:repeat(2,1fr); row-gap:2.4rem; }
  .rev-wrap,.contact-grid{ grid-template-columns:1fr; }
}
@media (max-width:820px){
  .mosaic{ grid-template-columns:repeat(2,1fr); }
  .tile,.tile-wide,.tile-cta{ grid-column:span 1; min-height:220px; }
  .tile-wide{ grid-column:span 2; }
  .hide-sm{ display:none; }
  .hero-badge{ width:84px; height:84px; font-size:.6rem; }
  .hero-badge span{ font-size:1.2rem; }
  .foot-inner{ grid-template-columns:1fr; }
}
@media (max-width:640px){
  .mobile-bar{ display:grid; grid-template-columns:repeat(3,1fr); }
  .site-footer{ padding-bottom:6.5rem; }
  .stat-row{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:1fr; }
  .field-2{ grid-template-columns:1fr; }
  .hero{ min-height:auto; padding-top:3.5rem; }
  .hero-actions .btn{ width:100%; }
  .brand-text em{ display:none; }
  .hero-badge{ display:none; } /* the eyebrow runs into it at phone widths */
  /* the sticky bar already carries the quote CTA here — keep the header uncluttered */
  .header-cta .btn-solid{ display:none; }
  .brand-text strong{ white-space:nowrap; font-size:.95rem; }
  .header-inner{ min-height:64px; gap:.75rem; }
}

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; }
  .marquee-track{ animation:none; }
  .btn:hover,.cap-list li:hover{ transform:none; }
  .tile:hover img{ transform:none; }
}

@media print{
  .site-header,.mobile-bar,.marquee,.hero-bg,.hero-grain{ display:none; }
  body{ background:#fff; color:#000; }
}