/* ============================================================
   CG Roofing & Waterproofing — Design System
   "Engineered Strength": light architectural premium + dark cinematic hero
   One edit in :root re-themes the whole site.
   ============================================================ */

:root{
  /* Brand */
  --green:        #009845;   /* CG green (sampled from logo) */
  --green-deep:   #0A7A38;
  --green-dark:   #075C2A;
  --green-tint:   #E8F5EC;
  --green-glow:   rgba(0,152,69,.45);

  /* Ink & surface */
  --ink:          #141A17;   /* near-black graphite */
  --ink-soft:     #2A322D;
  --slate:        #5B6166;   /* secondary text */
  --slate-light:  #8A9095;
  --hair:         #E2E6E3;   /* hairlines / borders */
  --surface:      #FFFFFF;
  --surface-2:    #F4F6F5;   /* cool off-white sections */
  --surface-3:    #ECEFED;

  /* Dark band (hero, CTA, footer) */
  --night:        #0B0F0D;
  --night-2:      #11160F;
  --night-card:   #161C18;
  --night-hair:   rgba(255,255,255,.10);
  --on-night:     #EAF0EC;
  --on-night-dim: #9AA8A0;

  /* Type */
  --font-head: "Archivo", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  /* Scale */
  --step--1: clamp(.82rem, .8rem + .1vw, .9rem);
  --step-0:  clamp(1rem, .97rem + .15vw, 1.08rem);
  --step-1:  clamp(1.2rem, 1.1rem + .4vw, 1.45rem);
  --step-2:  clamp(1.5rem, 1.3rem + .8vw, 2rem);
  --step-3:  clamp(2rem, 1.6rem + 1.6vw, 3rem);
  --step-4:  clamp(2.6rem, 1.9rem + 3vw, 4.6rem);
  --step-5:  clamp(3.2rem, 2.2rem + 4.6vw, 6rem);

  /* Space */
  --sp-1:.5rem; --sp-2:1rem; --sp-3:1.5rem; --sp-4:2rem;
  --sp-5:3rem; --sp-6:4rem; --sp-7:6rem; --sp-8:8rem;

  /* Radius / shadow */
  --r-sm:8px; --r:12px; --r-lg:18px; --r-xl:26px;
  --shadow-sm: 0 1px 2px rgba(20,26,23,.06), 0 2px 8px rgba(20,26,23,.05);
  --shadow:    0 12px 32px rgba(20,26,23,.10), 0 2px 8px rgba(20,26,23,.06);
  --shadow-lg: 0 30px 70px rgba(20,26,23,.16);

  --container: 1200px;
  --header-h: 76px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
html.lenis,html.lenis body{ scroll-behavior:auto !important; }   /* Lenis guard */
body{
  font-family:var(--font-body); color:var(--ink); background:var(--surface);
  font-size:var(--step-0); line-height:1.65; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; cursor:pointer; border:none; background:none; color:inherit; }
ul{ list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-head); font-weight:800; line-height:1.05; letter-spacing:-.02em; }
h1{ font-size:var(--step-5); }
h2{ font-size:var(--step-3); }
h3{ font-size:var(--step-1); letter-spacing:-.01em; }
:focus-visible{ outline:3px solid var(--green); outline-offset:3px; border-radius:4px; }

/* ---------- Layout ---------- */
.container{ width:min(100% - 2.4rem, var(--container)); margin-inline:auto; }
.section{ padding-block:var(--sp-7); }
.section--tight{ padding-block:var(--sp-6); }
.eyebrow{
  font-family:var(--font-head); font-weight:700; font-size:var(--step--1);
  letter-spacing:.14em; text-transform:uppercase; color:var(--green-deep);
  display:inline-flex; align-items:center; gap:.6rem;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--green); display:inline-block; }
.lead{ font-size:var(--step-1); color:var(--ink-soft); line-height:1.5; }
.muted{ color:var(--slate); }
.center{ text-align:center; }
.center .eyebrow{ justify-content:center; }

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:var(--green); --btn-fg:#fff;
  position:relative; display:inline-flex; align-items:center; gap:.55rem;
  font-family:var(--font-head); font-weight:700; font-size:var(--step-0);
  letter-spacing:.01em; padding:.95rem 1.7rem; border-radius:var(--r-sm);
  background:var(--btn-bg); color:var(--btn-fg); overflow:hidden;
  transition:transform .25s, box-shadow .25s, background .25s;
  box-shadow:0 8px 22px var(--green-glow);
}
.btn:hover{ transform:translateY(-2px); box-shadow:0 14px 30px var(--green-glow); }
.btn::after{ /* sheen sweep */
  content:""; position:absolute; top:0; left:-80%; width:55%; height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-18deg); transition:left .55s ease;
}
.btn:hover::after{ left:130%; }
.btn--ghost{ --btn-bg:transparent; --btn-fg:var(--ink); border:1.5px solid var(--hair); box-shadow:none; }
.btn--ghost:hover{ border-color:var(--green); color:var(--green-deep); box-shadow:none; }
.btn--on-night{ --btn-bg:#fff; --btn-fg:var(--ink); }
.btn--ghost-night{ --btn-bg:transparent; --btn-fg:#fff; border:1.5px solid rgba(255,255,255,.25); box-shadow:none; }
.btn--lg{ padding:1.1rem 2.1rem; font-size:var(--step-1); }
.btn--block{ width:100%; justify-content:center; }
.arr{ transition:transform .25s; }
.btn:hover .arr{ transform:translateX(4px); }

/* ---------- Header ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; height:var(--header-h); z-index:1000;
  display:flex; align-items:center;
  background:rgba(255,255,255,.82); backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid transparent; transition:border-color .3s, box-shadow .3s, background .3s;
}
.site-header.scrolled{ border-bottom-color:var(--hair); box-shadow:var(--shadow-sm); }
.site-header.on-dark:not(.scrolled){ background:transparent; }
.site-header.on-dark:not(.scrolled) .nav__link,
.site-header.on-dark:not(.scrolled) .header__phone{ color:var(--on-night); }
.site-header.on-dark:not(.scrolled) .nav__link:hover{ color:#fff; }
.header__inner{ width:min(100% - 2.4rem,var(--container)); margin-inline:auto; display:flex; align-items:center; gap:var(--sp-3); }
.brand{ display:flex; align-items:center; gap:.6rem; font-family:var(--font-head); font-weight:800; font-size:1.15rem; letter-spacing:-.02em; }
.brand img{ height:38px; width:auto; }
.brand__txt{ line-height:1; }
.brand__txt small{ display:block; font-size:.6rem; font-weight:600; letter-spacing:.18em; color:var(--green-deep); margin-top:3px; }
.site-header.on-dark:not(.scrolled) .brand__txt{ color:#fff; }
.nav{ margin-left:auto; }
.nav__list{ display:flex; align-items:center; gap:var(--sp-3); }
.nav__link{ font-weight:600; font-size:.95rem; color:var(--ink-soft); position:relative; padding:.4rem 0; transition:color .2s; }
.nav__link::after{ content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--green); transition:width .28s; }
.nav__link:hover{ color:var(--green-deep); }
.nav__link:hover::after{ width:100%; }
/* dropdown */
.nav__item--has{ position:relative; }
.nav__panel{
  position:absolute; top:calc(100% + 14px); left:50%; transform:translateX(-50%) translateY(8px);
  background:#fff; border:1px solid var(--hair); border-radius:var(--r); box-shadow:var(--shadow-lg);
  padding:.7rem; min-width:230px; opacity:0; visibility:hidden; transition:.24s;
}
.nav__item--has:hover .nav__panel{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
.nav__panel a{ display:block; padding:.55rem .8rem; border-radius:var(--r-sm); font-weight:600; font-size:.92rem; color:var(--ink-soft); transition:.18s; }
.nav__panel a:hover{ background:var(--green-tint); color:var(--green-deep); }
.header__phone{ font-family:var(--font-head); font-weight:700; color:var(--ink); display:inline-flex; align-items:center; gap:.4rem; }
.header__cta{ display:inline-flex; }
.burger{ display:none; width:44px; height:44px; border-radius:var(--r-sm); align-items:center; justify-content:center; }
.burger span{ width:22px; height:2px; background:currentColor; position:relative; transition:.25s; }
.burger span::before,.burger span::after{ content:""; position:absolute; left:0; width:22px; height:2px; background:currentColor; transition:.25s; }
.burger span::before{ top:-7px; } .burger span::after{ top:7px; }
.burger.open span{ background:transparent; }
.burger.open span::before{ top:0; transform:rotate(45deg); }
.burger.open span::after{ top:0; transform:rotate(-45deg); }

/* mobile drawer */
.drawer{ position:fixed; inset:0; z-index:1100; pointer-events:none; }
.drawer__scrim{ position:absolute; inset:0; background:rgba(11,15,13,.55); opacity:0; transition:.3s; }
.drawer__panel{ position:absolute; top:0; right:0; height:100%; width:min(86%,360px); background:#fff; transform:translateX(100%); transition:transform .35s cubic-bezier(.6,.05,.1,1); padding:var(--sp-4) var(--sp-3); overflow-y:auto; display:flex; flex-direction:column; gap:.3rem; }
.drawer.open{ pointer-events:auto; }
.drawer.open .drawer__scrim{ opacity:1; }
.drawer.open .drawer__panel{ transform:translateX(0); }
.drawer__panel a{ padding:.85rem .6rem; border-bottom:1px solid var(--hair); font-family:var(--font-head); font-weight:600; }
.drawer__panel .btn{ margin-top:var(--sp-3); }
.drawer__group summary{ padding:.85rem .6rem; border-bottom:1px solid var(--hair); font-family:var(--font-head); font-weight:700; cursor:pointer; list-style:none; display:flex; justify-content:space-between; }
.drawer__group summary::-webkit-details-marker{ display:none; }
.drawer__group summary::after{ content:"+"; color:var(--green); }
.drawer__group[open] summary::after{ content:"–"; }
.drawer__group a{ padding-left:1.2rem; font-weight:500; font-size:.92rem; }

/* ---------- Trust strip ---------- */
.trustbar{ background:var(--surface-2); border-block:1px solid var(--hair); }
.trustbar__inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:var(--sp-3) var(--sp-5); padding-block:var(--sp-3); }
.trustbar__item{ display:flex; align-items:center; gap:.55rem; font-weight:600; font-size:.9rem; color:var(--ink-soft); }
.trustbar__item svg{ width:20px; height:20px; color:var(--green); flex:none; }

/* ---------- Cards ---------- */
.card{
  position:relative; background:#fff; border:1px solid var(--hair); border-radius:var(--r-lg);
  padding:var(--sp-4); overflow:hidden; transition:transform .3s, box-shadow .3s, border-color .3s;
}
.card::before{ content:""; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent,var(--green-glow),transparent); opacity:0; transition:opacity .3s; }
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); border-color:transparent; }
.card:hover::before{ opacity:1; }
.card__icon{ width:54px; height:54px; border-radius:var(--r-sm); display:grid; place-items:center; background:var(--green-tint); color:var(--green-deep); margin-bottom:var(--sp-3); }
.card__icon svg{ width:28px; height:28px; }
.card h3{ margin-bottom:.5rem; }
.card p{ color:var(--slate); font-size:.97rem; }
.card__link{ margin-top:var(--sp-3); display:inline-flex; align-items:center; gap:.4rem; font-family:var(--font-head); font-weight:700; font-size:.92rem; color:var(--green-deep); }
.card__link .arr{ transition:transform .25s; }
.card:hover .card__link .arr{ transform:translateX(4px); }

/* ---------- Section heading block ---------- */
.sec-head{ max-width:760px; margin-bottom:var(--sp-5); }
.sec-head.center{ margin-inline:auto; }
.sec-head h2{ margin:.6rem 0 .8rem; }

/* ---------- Marquee (cert) ---------- */
.marquee{ overflow:hidden; border-block:1px solid var(--hair); background:#fff; padding-block:var(--sp-3); }
.marquee__track{ display:flex; gap:var(--sp-5); width:max-content; animation:marq 38s linear infinite; }
.marquee:hover .marquee__track{ animation-play-state:paused; }
.marquee__item{ display:flex; align-items:center; gap:.7rem; font-family:var(--font-head); font-weight:700; color:var(--slate); white-space:nowrap; font-size:1.05rem; }
.marquee__item img{ height:38px; width:auto; opacity:.9; }
@keyframes marq{ to{ transform:translateX(-50%); } }

/* ---------- Stats ---------- */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; }
.stat{ padding:var(--sp-2) var(--sp-4); position:relative; text-align:center; }
.stat + .stat::before{ content:""; position:absolute; left:0; top:18%; height:64%; width:1px;
  background:linear-gradient(180deg,transparent,var(--hair),transparent); }
.stat__num{ font-family:var(--font-head); font-weight:800; font-size:var(--step-3); color:var(--ink); line-height:1; letter-spacing:-.03em; }
.stat__num .u{ color:var(--green); }
.stat__label{ margin-top:.5rem; font-size:.88rem; color:var(--slate); font-weight:600; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--night); color:var(--on-night-dim); position:relative; overflow:hidden; padding-top:var(--sp-7); }
.footer__grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:var(--sp-5); padding-bottom:var(--sp-6); }
.footer__brand img{ height:42px; margin-bottom:var(--sp-3); }
.footer__brand p{ font-size:.92rem; max-width:32ch; }
.footer__col h4{ font-family:var(--font-head); color:#fff; font-size:.78rem; letter-spacing:.16em; text-transform:uppercase; margin-bottom:var(--sp-3); }
.footer__col a{ display:block; padding:.32rem 0; font-size:.92rem; transition:color .2s, padding .2s; }
.footer__col a:hover{ color:#fff; padding-left:4px; }
.footer__contact a{ color:var(--on-night); font-weight:600; }
.footer__contact .green{ color:var(--green); }
.footer__bottom{ border-top:1px solid var(--night-hair); padding-block:var(--sp-3); display:flex; flex-wrap:wrap; gap:var(--sp-2); justify-content:space-between; font-size:.82rem; }
.footer__bottom a:hover{ color:#fff; }
.footer__watermark{ position:absolute; left:50%; bottom:-3.2vw; transform:translateX(-50%);
  font-family:var(--font-head); font-weight:800; font-size:18vw; line-height:.8; white-space:nowrap;
  color:transparent; -webkit-text-stroke:1px rgba(255,255,255,.06); pointer-events:none; user-select:none; }

/* ---------- Forms ---------- */
.form{ display:grid; gap:var(--sp-3); }
.form__row{ display:grid; grid-template-columns:1fr 1fr; gap:var(--sp-3); }
.field{ display:grid; gap:.4rem; }
.field label{ font-weight:600; font-size:.85rem; color:var(--ink-soft); }
.field input,.field select,.field textarea{
  width:100%; padding:.85rem 1rem; border:1.5px solid var(--hair); border-radius:var(--r-sm);
  font:inherit; font-size:.96rem; background:#fff; color:var(--ink); transition:border-color .2s, box-shadow .2s;
}
.field textarea{ min-height:120px; resize:vertical; }
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color:var(--green); box-shadow:0 0 0 3px var(--green-tint); }
.form__note{ font-size:.8rem; color:var(--slate); }
.form__success{ display:none; padding:var(--sp-4); background:var(--green-tint); border:1px solid var(--green); border-radius:var(--r); color:var(--green-dark); font-weight:600; }
.form.sent .form__success{ display:block; }
.form.sent .form__fields{ display:none; }

/* ---------- Reveal ---------- */
[data-reveal]{ opacity:0; }
@media (prefers-reduced-motion:reduce){ [data-reveal]{ opacity:1 !important; } *{ animation:none !important; transition:none !important; } }

/* ---------- Custom cursor ---------- */
.cur-dot,.cur-ring{ position:fixed; top:0; left:0; border-radius:50%; pointer-events:none; z-index:9999; mix-blend-mode:normal; opacity:0; transition:opacity .3s; }
.cur-dot{ width:7px; height:7px; background:var(--green); margin:-3.5px 0 0 -3.5px; }
.cur-ring{ width:34px; height:34px; border:1.5px solid var(--green-deep); margin:-17px 0 0 -17px; transition:width .25s,height .25s,margin .25s,border-color .25s,background .25s,opacity .3s; }
html.has-cursor.is-interactive .cur-ring{ width:54px; height:54px; margin:-27px 0 0 -27px; background:var(--green-glow); border-color:transparent; }
html.has-cursor *{ cursor:none; }
html.has-cursor input,html.has-cursor textarea,html.has-cursor select{ cursor:auto; }

/* ---------- Breadcrumb ---------- */
.crumbs{ font-size:.84rem; color:var(--slate); display:flex; flex-wrap:wrap; gap:.4rem; align-items:center; }
.crumbs a:hover{ color:var(--green-deep); }
.crumbs .sep{ opacity:.5; }

/* ---------- Utilities ---------- */
.grid{ display:grid; gap:var(--sp-4); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.pill{ display:inline-flex; align-items:center; gap:.4rem; padding:.35rem .8rem; border-radius:100px; background:var(--green-tint); color:var(--green-dark); font-weight:600; font-size:.82rem; }
.bg-soft{ background:var(--surface-2); }

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .footer__grid{ grid-template-columns:1fr 1fr; gap:var(--sp-4); }
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .stats{ grid-template-columns:repeat(2,1fr); gap:var(--sp-3) 0; }
  .stat + .stat:nth-child(odd)::before{ display:none; }
}
@media (max-width:880px){
  .nav,.header__cta{ display:none; }
  .burger{ display:flex; margin-left:auto; }
  .header__phone{ margin-left:0; }
  .grid-3{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
  .form__row{ grid-template-columns:1fr; }
  .section{ padding-block:var(--sp-6); }
}
@media (max-width:560px){
  .stats{ grid-template-columns:1fr 1fr; }
  .footer__grid{ grid-template-columns:1fr; }
}