/* =========================================================
   Shreeji Precast — stylesheet
   ========================================================= */

:root{
  --navy: #121a24;
  --navy-2: #1a2531;
  --navy-3: #223044;
  --charcoal: #1e2530;
  --orange: #f4831f;
  --orange-dark: #d9691a;
  --orange-light: #ffb06b;
  --cream: #f7f1e6;
  --cream-2: #f0e7d4;
  --white: #ffffff;
  --gray-900: #1c232c;
  --gray-700: #4a5361;
  --gray-500: #7b8494;
  --gray-300: #d8dce2;
  --gray-100: #f4f5f7;

  --font-head: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(18,26,36,.08);
  --shadow-md: 0 10px 30px rgba(18,26,36,.12);
  --shadow-lg: 0 24px 60px rgba(18,26,36,.22);

  --ease: cubic-bezier(.22,.9,.32,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--gray-900);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family:var(--font-head); font-weight:700; line-height:1.2; margin:0 0 .5em; color:var(--gray-900); }
p{ margin:0 0 1em; }
.text-white{ color:var(--white); }
.text-accent{ color:var(--orange); }

.container{ width:100%; max-width:1220px; margin:0 auto; padding:0 24px; }
.container--narrow{ max-width:880px; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--orange); color:#fff;
  padding:12px 20px; z-index:9999; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

/* ---------- Preloader ---------- */
#preloader{
  position:fixed; inset:0; z-index:10000; background:var(--navy);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
#preloader.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader__mark{ animation:pulse 1.1s ease-in-out infinite; }
.preloader__mark img{ display:block; height:min(22vh,168px); width:auto; }
@keyframes pulse{ 0%,100%{ transform:scale(1); opacity:1;} 50%{ transform:scale(1.12); opacity:.6;} }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--font-head); font-weight:600; font-size:.95rem;
  padding:14px 26px; border-radius:100px; border:2px solid transparent;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn svg{ flex-shrink:0; }
.btn--primary{ background:var(--orange); color:#fff; box-shadow:0 8px 24px rgba(244,131,31,.35); }
.btn--primary:hover{ background:var(--orange-dark); transform:translateY(-3px); box-shadow:0 14px 30px rgba(244,131,31,.45); }
.btn--ghost{ background:rgba(255,255,255,.08); color:#fff; border-color:rgba(255,255,255,.5); backdrop-filter:blur(6px); }
.btn--ghost:hover{ background:#fff; color:var(--navy); transform:translateY(-3px); }
.btn--lg{ padding:16px 32px; font-size:1rem; }
.btn--sm{ padding:10px 20px; font-size:.85rem; }
.btn--block{ width:100%; }

/* ---------- Header ---------- */
#siteHeader{ position:fixed; top:0; left:0; right:0; z-index:1000; transition:background .35s var(--ease), box-shadow .35s var(--ease); }
.topbar{ background:var(--navy); color:#cfd6df; font-size:.8rem; }
.topbar__inner{ display:flex; align-items:center; justify-content:space-between; padding:8px 24px; gap:16px; flex-wrap:wrap; }
.topbar__contacts{ display:flex; gap:22px; align-items:center; }
.topbar__contacts a{ display:inline-flex; align-items:center; gap:6px; opacity:.9; transition:opacity .2s, color .2s; }
.topbar__contacts a:hover{ opacity:1; color:var(--orange-light); }
.topbar__social{ display:flex; gap:14px; }
.topbar__social a{ opacity:.8; transition:opacity .2s, color .2s; }
.topbar__social a:hover{ opacity:1; color:var(--orange-light); }

.navbar{ display:flex; align-items:center; justify-content:space-between; background:transparent; padding:16px 24px; transition:padding .35s var(--ease); }
.brand img{ height:42px; width:auto; transition:height .3s var(--ease); filter:brightness(0) invert(1); }

#siteHeader.scrolled{ background:rgba(18,26,36,.97); box-shadow:0 6px 24px rgba(0,0,0,.18); backdrop-filter:blur(10px); }
#siteHeader.scrolled .topbar{ display:none; }
#siteHeader.scrolled .navbar{ padding:10px 24px; }
#siteHeader.scrolled .brand img{ height:36px; }

#siteNav ul{ display:flex; gap:6px; }
#siteNav a{
  display:block; padding:10px 14px; font-family:var(--font-head); font-weight:500; font-size:.92rem;
  color:#fff; border-radius:100px; transition:background .25s, color .25s;
  position:relative;
}
#siteNav a:hover, #siteNav a.active{ background:rgba(255,255,255,.12); color:var(--orange-light); }

.navbar__actions{ display:flex; align-items:center; gap:14px; }
#navToggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px; }
#navToggle span{ width:24px; height:2px; background:#fff; border-radius:2px; transition:transform .3s var(--ease), opacity .3s var(--ease); }

/* ---------- Hero ---------- */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center;
  overflow:hidden; color:#fff; padding-top:120px;
}
.hero__bg{
  position:absolute; inset:0; background-size:cover; background-position:center;
  transform:scale(1.08); animation:heroZoom 22s ease-in-out infinite alternate;
}
@keyframes heroZoom{ from{ transform:scale(1.08);} to{ transform:scale(1);} }
.hero__overlay{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(18,26,36,.75) 0%, rgba(18,26,36,.55) 45%, rgba(18,26,36,.92) 100%);
}
.hero__particles{ position:absolute; inset:0; pointer-events:none; overflow:hidden; }
.hero__particles span{
  position:absolute; bottom:-20px; width:6px; height:6px; border-radius:50%;
  background:rgba(244,131,31,.55); animation:floatUp linear infinite;
}
@keyframes floatUp{
  0%{ transform:translateY(0) translateX(0); opacity:0; }
  10%{ opacity:1; }
  100%{ transform:translateY(-110vh) translateX(var(--drift,20px)); opacity:0; }
}

.hero__content{ position:relative; z-index:2; padding:60px 24px 80px; }
.eyebrow{
  display:inline-block; font-family:var(--font-head); font-weight:600; font-size:.8rem;
  letter-spacing:.14em; text-transform:uppercase; color:var(--orange); margin-bottom:14px;
  padding:6px 16px; border:1px solid rgba(244,131,31,.4); border-radius:100px;
}
.eyebrow--light{ color:var(--orange-light); border-color:rgba(255,255,255,.35); background:rgba(255,255,255,.06); }
.hero h1{ font-size:clamp(2.2rem, 5vw, 3.8rem); color:#fff; max-width:820px; margin-bottom:.4em; }
.hero__lede{ font-size:1.15rem; color:#d7dee6; max-width:640px; margin-bottom:2em; }
.hero__cta{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:64px; }

.hero__stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; max-width:920px; border-top:1px solid rgba(255,255,255,.18); padding-top:32px; }
.stat{ display:flex; flex-direction:column; }
.stat-num{ font-family:var(--font-head); font-weight:800; font-size:clamp(1.8rem,3.2vw,2.6rem); color:var(--orange); line-height:1; margin-bottom:6px; }
.stat-label{ font-size:.82rem; color:#c4ccd6; max-width:16ch; }

.scroll-cue{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%); z-index:2;
  width:26px; height:42px; border:2px solid rgba(255,255,255,.5); border-radius:100px;
}
.scroll-cue span{
  position:absolute; top:6px; left:50%; transform:translateX(-50%);
  width:5px; height:9px; background:var(--orange); border-radius:4px;
  animation:scrollCue 1.6s ease-in-out infinite;
}
@keyframes scrollCue{ 0%{ top:6px; opacity:1;} 70%{ top:22px; opacity:0;} 100%{ top:22px; opacity:0;} }

/* ---------- Sections ---------- */
.section{ padding:110px 0; }
.section--alt{ background:var(--cream); }
.section--dark{ background:var(--navy); color:#e7ebf0; }
.section--dark h2, .section--dark h3, .section--dark h4{ color:#fff; }
.section--dark p{ color:#b7c1cd; }
.section__head{ max-width:680px; margin:0 auto 56px; text-align:center; }
.section__head h2{ font-size:clamp(1.8rem,3.4vw,2.6rem); }
.section__sub{ color:var(--gray-700); font-size:1.05rem; }
.section__sub--light{ color:#b7c1cd; }
.lede{ font-size:1.08rem; color:var(--gray-700); }

/* reveal-on-scroll */
html.has-motion [data-reveal]{ opacity:0; }
html.has-motion [data-reveal].is-visible{ opacity:1; transform:none; }
[data-reveal-delay="1"]{ transition-delay:.12s; }
[data-reveal-delay="2"]{ transition-delay:.24s; }

/* ---------- Trustbar / marquee ---------- */
.trustbar{ background:var(--navy-2); padding:46px 0; overflow:hidden; }
.trustbar__label p{ text-align:center; color:#9aa5b2; font-size:.82rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:28px; }
.marquee{
  overflow:hidden; padding:22px 0;
  -webkit-mask-image:linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
  mask-image:linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%);
}
.marquee__track{ display:flex; width:max-content; }
.marquee__track.is-ready{ animation:marquee 30s linear infinite; }
.marquee:hover .marquee__track{ animation-play-state:paused; }
.marquee__item{
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
  width:116px; height:116px; border-radius:50%; background:#fff; padding:20px; margin-right:54px;
  box-shadow:0 10px 26px rgba(0,0,0,.28), inset 0 0 0 1px rgba(255,255,255,.4);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.marquee__item:hover{ transform:translateY(-5px) scale(1.05); box-shadow:0 16px 34px rgba(0,0,0,.34), inset 0 0 0 1px rgba(255,255,255,.4); }
.marquee__item img{ max-height:100%; max-width:100%; width:auto; height:auto; object-fit:contain; }
@keyframes marquee{ from{ transform:translateX(0);} to{ transform:translateX(var(--marquee-shift));} }

/* ---------- About ---------- */
.about__grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:64px; align-items:center; }
.about__media{ position:relative; }
.about__media img{ border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); width:100%; height:auto; aspect-ratio:3/2; object-fit:cover; }
.about__media-badge{
  position:absolute; left:-24px; bottom:-24px; background:var(--white); color:var(--navy);
  padding:18px 22px; border-radius:var(--radius-md); box-shadow:var(--shadow-md); max-width:230px;
}
.about__media-badge strong{ display:block; font-family:var(--font-head); font-size:1.6rem; color:var(--orange); }
.about__media-badge span{ font-size:.8rem; color:var(--gray-700); }

.advantages{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:32px; }
.advantage{ background:var(--gray-100); border-radius:var(--radius-md); padding:22px; transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease); }
.advantage:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); background:#fff; }
.advantage__icon{ width:44px; height:44px; border-radius:12px; background:rgba(244,131,31,.12); color:var(--orange); display:flex; align-items:center; justify-content:center; margin-bottom:12px; }
.advantage h3{ font-size:1.02rem; margin-bottom:.35em; }
.advantage p{ font-size:.88rem; color:var(--gray-700); margin:0; }

.compare{ margin-top:80px; display:grid; grid-template-columns:1fr auto 1fr; gap:0; align-items:stretch; background:var(--navy); border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-md); }
.compare__col{ padding:40px; }
.compare__col--traditional{ background:transparent; }
.compare__col--precast{ background:transparent; color:#fff; }
.compare__col h4{ font-size:1.1rem; margin-bottom:20px; }
.compare__col--traditional h4{ color:#7c8a9a; }
.compare__col--precast h4{ color:var(--orange-light); }
.compare__col li{ display:flex; align-items:flex-start; gap:10px; padding:9px 0; font-size:.92rem; border-top:1px solid rgba(255,255,255,.08); }
.compare__col--traditional li{ color:#8695a5; }
.compare__col--precast li{ border-top:1px solid rgba(255,255,255,.1); color:#dbe2e9; }
.compare__col li:first-child{ border-top:none; }
.check{ color:#3ad07a; font-weight:800; }
.x{ color:#e0685d; font-weight:800; }
.compare__vs{
  position:relative; display:flex; align-items:center; justify-content:center; width:64px;
}
.compare__vs::before{
  content:""; position:absolute; top:0; bottom:0; left:50%; width:2px; transform:translateX(-50%);
  background:linear-gradient(180deg, transparent, var(--orange) 18%, var(--orange) 82%, transparent);
}
.compare__vs span{
  position:relative; z-index:1; display:flex; align-items:center; justify-content:center;
  width:46px; height:46px; border-radius:50%; background:var(--orange); color:#fff;
  font-family:var(--font-head); font-weight:800; font-size:.85rem; letter-spacing:.05em;
  box-shadow:0 6px 18px rgba(244,131,31,.45);
}

/* ---------- Products ---------- */
.products-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:26px; }
.product-card{ background:#fff; border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-sm); transition:transform .35s var(--ease), box-shadow .35s var(--ease); }
.product-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-lg); }
.product-card__img{ aspect-ratio:3/2; overflow:hidden; }
.product-card__img img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.product-card:hover .product-card__img img{ transform:scale(1.08); }
.product-card__body{ padding:22px; }
.product-card__body h3{ font-size:1.05rem; margin-bottom:.4em; }
.product-card__body p{ font-size:.88rem; color:var(--gray-700); margin:0; }

.applications{ margin-top:70px; text-align:center; }
.applications__title{ font-size:1.3rem; margin-bottom:26px; }
.applications__grid{ display:flex; flex-wrap:wrap; justify-content:center; gap:14px; }
.app-chip{
  display:flex; align-items:center; gap:10px; padding:12px 20px; border-radius:100px;
  background:#fff; border:1px solid var(--gray-300); font-size:.9rem; font-weight:500;
  color:var(--gray-900); transition:all .3s var(--ease);
}
.app-chip svg{ color:var(--orange); flex-shrink:0; }
.app-chip:hover{ background:var(--navy); color:#fff; border-color:var(--navy); transform:translateY(-3px); }
.app-chip:hover svg{ color:var(--orange-light); }

/* ---------- Designs ---------- */
.designs-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:26px; }
.design-card{ background:#fff; border-radius:var(--radius-md); padding:18px; box-shadow:var(--shadow-sm); text-align:center; transition:transform .35s var(--ease), box-shadow .35s var(--ease); }
.design-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-lg); }
.design-card__img{ border-radius:12px; overflow:hidden; margin-bottom:16px; background:var(--gray-100); aspect-ratio:4/1; display:flex; align-items:center; }
.design-card__img img{ width:100%; height:100%; object-fit:cover; }
.design-card h3{ font-size:1rem; margin-bottom:.35em; }
.design-card p{ font-size:.85rem; color:var(--gray-700); margin:0; }

.columns-note{
  margin-top:44px; display:flex; align-items:center; gap:20px; background:var(--cream-2);
  border-radius:var(--radius-md); padding:26px 30px; max-width:820px; margin-left:auto; margin-right:auto;
}
.columns-note__icon{ color:var(--orange); flex-shrink:0; }
.columns-note p{ margin:0; font-size:.95rem; color:var(--gray-700); }

/* ---------- Process ---------- */
.process{ display:grid; grid-template-columns:repeat(4,1fr); gap:26px; margin-bottom:70px; position:relative; }
.process__step{ position:relative; background:var(--navy-2); border-radius:var(--radius-md); padding:32px 26px; transition:transform .35s var(--ease), background .35s var(--ease); }
.process__step:hover{ transform:translateY(-8px); background:var(--navy-3); }
.process__num{ font-family:var(--font-head); font-weight:800; font-size:2.2rem; color:var(--orange); margin-bottom:14px; opacity:.85; }
.process__step h3{ font-size:1.05rem; margin-bottom:.4em; color:#fff; }
.process__step p{ font-size:.86rem; margin:0; color:#b7c1cd; }

.specs{ display:grid; grid-template-columns:1fr 1fr; gap:26px; }
.specs__col{ background:var(--navy-2); border-radius:var(--radius-md); padding:32px; }
.specs__col h4{ color:var(--orange-light); font-size:1.05rem; margin-bottom:18px; }
.specs__col li{ display:flex; justify-content:space-between; gap:12px; padding:11px 0; border-top:1px solid rgba(255,255,255,.08); font-size:.9rem; }
.specs__col li:first-child{ border-top:none; }
.specs__col li span{ color:#9aa5b2; }
.specs__col li strong{ color:#fff; font-weight:600; text-align:right; }

/* ---------- Gallery ---------- */
.gallery-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.gallery-item{ position:relative; display:block; border-radius:var(--radius-sm); overflow:hidden; aspect-ratio:4/3; background:var(--gray-100); }
.gallery-item img{ width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.gallery-item__overlay{
  position:absolute; inset:0; background:linear-gradient(0deg, rgba(18,26,36,.88) 0%, rgba(18,26,36,.15) 55%, transparent 100%);
  display:flex; flex-direction:column; align-items:flex-start; justify-content:flex-end; padding:16px;
  opacity:0; transition:opacity .35s var(--ease);
}
.gallery-item__icon{ color:#fff; background:rgba(255,255,255,.15); border-radius:50%; width:38px; height:38px; display:flex; align-items:center; justify-content:center; margin-bottom:10px; backdrop-filter:blur(4px); }
.gallery-item__label{ color:#fff; font-size:.8rem; font-weight:600; }
.gallery-item:hover img{ transform:scale(1.12); }
.gallery-item:hover .gallery-item__overlay{ opacity:1; }

/* ---------- Clients ---------- */
.clients-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:20px; }
.client-card{
  background:#fff; border-radius:var(--radius-md); padding:24px; display:flex; align-items:center; justify-content:center;
  aspect-ratio:1; box-shadow:var(--shadow-sm); transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.client-card:hover{ transform:translateY(-6px) scale(1.03); box-shadow:var(--shadow-md); }
.client-card img{ max-width:100%; max-height:100%; object-fit:contain; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--gray-300); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px;
  background:none; border:none; padding:22px 4px; text-align:left; font-family:var(--font-head);
  font-weight:600; font-size:1.02rem; color:var(--gray-900);
}
.faq-icon{ position:relative; width:20px; height:20px; flex-shrink:0; }
.faq-icon::before, .faq-icon::after{
  content:''; position:absolute; background:var(--orange); border-radius:2px; transition:transform .3s var(--ease);
}
.faq-icon::before{ width:20px; height:2px; top:9px; left:0; }
.faq-icon::after{ width:2px; height:20px; top:0; left:9px; }
.faq-q[aria-expanded="true"] .faq-icon::after{ transform:rotate(90deg); opacity:0; }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.faq-a p{ padding:0 4px 22px; color:var(--gray-700); font-size:.95rem; margin:0; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1.3fr 1fr; gap:48px; }
.contact-form{ background:var(--navy-2); border-radius:var(--radius-lg); padding:40px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-field{ margin-bottom:20px; }
.form-field label{ display:block; font-size:.85rem; font-weight:600; color:#c4ccd6; margin-bottom:8px; }
.form-field input, .form-field select, .form-field textarea{
  width:100%; padding:13px 16px; border-radius:10px; border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.09); color:#fff; font-family:inherit; font-size:.95rem;
  transition:border-color .25s, background .25s;
}
.form-field input::placeholder, .form-field textarea::placeholder{ color:#9fabb9; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color:var(--orange); background:rgba(255,255,255,.1);
}
.form-field select option{ background:var(--navy-2); color:#fff; }
.form-error{ display:none; color:#ff8a8a; font-size:.78rem; margin-top:6px; }
.form-field.invalid input, .form-field.invalid select{ border-color:#e05d5d; }
.form-field.invalid .form-error{ display:block; }
.form-note{ margin:16px 0 0; font-size:.88rem; color:#8ee6ac; min-height:1.2em; }

.contact-info{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg); padding:36px;
  box-shadow:var(--shadow-sm);
}
.contact-info > .eyebrow{ margin-bottom:8px; }
.contact-info > h2{ color:var(--navy); font-size:1.6rem; margin-bottom:26px; }
.contact-info__item{
  display:flex; align-items:flex-start; gap:16px; margin:0; padding:18px 0;
  border-top:1px solid var(--gray-200);
}
.contact-info__icon{
  width:50px; height:50px; border-radius:14px; background:rgba(244,131,31,.14); color:var(--orange);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.contact-info__item h4{ color:var(--navy); font-size:.98rem; margin:1px 0 6px; }
.contact-info__item p{ font-size:.94rem; line-height:1.65; color:var(--gray-700); margin:0; }
.contact-info__item a{ color:inherit; text-decoration:none; }
.contact-info__item a:hover{ color:var(--orange); }
.contact-info__map{ border-radius:var(--radius-md); overflow:hidden; margin-top:22px; filter:grayscale(.15) contrast(1.05); }

/* ---------- Footer ---------- */
.footer{ background:var(--gray-900); color:#aab3bf; padding-top:70px; }
.footer__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid rgba(255,255,255,.08); }
.footer__logo{ height:38px; width:auto; filter:brightness(0) invert(1); margin-bottom:16px; }
.footer__brand p{ font-size:.88rem; color:#8f99a6; }
.footer__social{ display:flex; gap:12px; margin-top:16px; }
.footer__social a{ width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,.06); display:flex; align-items:center; justify-content:center; transition:background .25s, color .25s; }
.footer__social a:hover{ background:var(--orange); color:#fff; }
.footer__col h4{ color:#fff; font-size:.95rem; margin-bottom:18px; }
.footer__col li{ margin-bottom:10px; font-size:.88rem; }
.footer__col a:hover{ color:var(--orange-light); }
.footer__bottom{ padding:20px 0; }
.footer__bottom-inner{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; font-size:.8rem; color:#6b7684; }

/* ---------- Floating actions ---------- */
.fab{
  position:fixed; right:26px; width:58px; height:58px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-lg); z-index:900; transition:transform .3s var(--ease), opacity .3s var(--ease), box-shadow .3s var(--ease);
}
.fab--whatsapp{ bottom:26px; background:#25D366; color:#fff; animation:fabPulse 2.8s ease-in-out infinite; }
.fab--whatsapp:hover{ transform:scale(1.08); }
@keyframes fabPulse{ 0%,100%{ box-shadow:0 0 0 0 rgba(37,211,102,.5), var(--shadow-lg);} 50%{ box-shadow:0 0 0 12px rgba(37,211,102,0), var(--shadow-lg);} }
.fab--top{ bottom:96px; background:var(--navy); color:#fff; border:none; opacity:0; pointer-events:none; transform:translateY(10px); }
.fab--top.is-visible{ opacity:1; pointer-events:auto; transform:none; }
.fab--top:hover{ background:var(--orange); }

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed; inset:0; z-index:2000; background:rgba(10,14,20,.94); display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition:opacity .35s var(--ease), visibility .35s var(--ease);
}
.lightbox[aria-hidden="false"], .lightbox.is-open{ opacity:1; visibility:visible; }
.lightbox__figure{ max-width:min(90vw, 1100px); max-height:85vh; margin:0; text-align:center; }
.lightbox__figure img{ max-width:100%; max-height:78vh; border-radius:10px; box-shadow:0 20px 60px rgba(0,0,0,.5); margin:0 auto; }
.lightbox__figure figcaption{ color:#dbe2e9; margin-top:16px; font-size:.9rem; }
.lightbox__close{ position:absolute; top:22px; right:26px; background:none; border:none; color:#fff; font-size:2.4rem; line-height:1; opacity:.8; }
.lightbox__close:hover{ opacity:1; }
.lightbox__prev, .lightbox__next{
  position:absolute; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.08); color:#fff; border:none;
  width:52px; height:52px; border-radius:50%; font-size:1.2rem; transition:background .25s;
}
.lightbox__prev:hover, .lightbox__next:hover{ background:var(--orange); }
.lightbox__prev{ left:22px; }
.lightbox__next{ right:22px; }

/* ---------- Page banner (inner pages) ---------- */
.page-banner{
  position:relative; padding:168px 0 64px; color:#fff; overflow:hidden;
  background:var(--navy);
}
.page-banner__bg{
  position:absolute; inset:0; background-size:cover; background-position:center;
  opacity:.42; transform:scale(1.05);
}
.page-banner__overlay{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(18,26,36,.55) 0%, rgba(18,26,36,.88) 100%);
}
.page-banner__content{ position:relative; z-index:1; }
.breadcrumb{ display:flex; align-items:center; gap:8px; font-size:.85rem; color:#b7c1cd; margin-bottom:16px; }
.breadcrumb a{ color:#b7c1cd; transition:color .2s; }
.breadcrumb a:hover{ color:var(--orange-light); }
.breadcrumb span{ opacity:.5; }
.breadcrumb strong{ color:var(--orange-light); font-weight:500; }
.page-banner h1{ font-size:clamp(1.9rem,4vw,2.9rem); color:#fff; margin-bottom:.3em; max-width:680px; }
.page-banner p{ color:#c4ccd6; font-size:1.02rem; max-width:640px; margin:0; }

/* ---------- Home teasers (condensed section variants) ---------- */
.teaser-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:40px; flex-wrap:wrap; }
.teaser-head .section__head{ margin:0; text-align:left; max-width:560px; }
.teaser-link{ display:inline-flex; align-items:center; gap:8px; font-family:var(--font-head); font-weight:600; color:var(--orange); white-space:nowrap; padding-bottom:4px; border-bottom:2px solid transparent; transition:border-color .25s; }
.teaser-link:hover{ border-color:var(--orange); }
.teaser-link svg{ transition:transform .25s var(--ease); }
.teaser-link:hover svg{ transform:translateX(4px); }
.section--dark .teaser-link{ color:var(--orange-light); }

/* ---------- CTA banner (used between/after sections on inner pages) ---------- */
.cta-banner{
  background:linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  border-radius:var(--radius-lg); padding:56px 48px; text-align:center; color:#fff;
  display:flex; flex-direction:column; align-items:center; gap:20px;
}
.cta-banner h2{ color:#fff; font-size:clamp(1.5rem,3vw,2.1rem); margin:0; max-width:640px; }
.cta-banner p{ color:#c4ccd6; margin:0; max-width:520px; }
.cta-banner__actions{ display:flex; gap:16px; flex-wrap:wrap; justify-content:center; }

/* ---------- Feature highlight (new/authentic differentiators) ---------- */
.highlight-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px; }
.highlight-card{
  background:#fff; border:1px solid var(--gray-300); border-radius:var(--radius-md); padding:30px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.highlight-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.highlight-card__tag{
  display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--orange-dark); background:rgba(244,131,31,.12); padding:4px 12px; border-radius:100px; margin-bottom:14px;
}
.highlight-card h3{ font-size:1.15rem; margin-bottom:.5em; }
.highlight-card p{ font-size:.92rem; color:var(--gray-700); margin:0; }
.highlight-card__strip{ display:flex; gap:6px; margin-top:16px; }
.highlight-card__strip span{ width:28px; height:28px; border-radius:8px; display:inline-block; box-shadow:inset 0 0 0 1px rgba(0,0,0,.08); }

/* ---------- Gallery category groups ---------- */
.gallery-category{ margin-bottom:64px; }
.gallery-category:last-child{ margin-bottom:0; }
.gallery-category__head{ display:flex; align-items:baseline; gap:16px; margin-bottom:22px; flex-wrap:wrap; }
.gallery-category__head h3{ font-size:1.4rem; margin:0; }
.gallery-category__count{ font-size:.82rem; color:var(--gray-500); font-weight:600; }
.gallery-category__intro{ color:var(--gray-700); font-size:.95rem; max-width:760px; margin:-10px 0 22px; }

/* ---------- Technical diagram (SVG) ---------- */
.tech-diagram-wrap{ background:var(--navy-2); border-radius:var(--radius-md); padding:32px; text-align:center; }
.tech-diagram-wrap svg{ max-width:100%; height:auto; }
.tech-diagram-caption{ color:#9aa5b2; font-size:.82rem; margin-top:14px; }
.tech-legend{ display:flex; flex-wrap:wrap; gap:18px; justify-content:center; margin-top:20px; }
.tech-legend__item{ display:flex; align-items:center; gap:8px; font-size:.82rem; color:#c4ccd6; }
.tech-legend__swatch{ width:14px; height:14px; border-radius:4px; flex-shrink:0; }

/* ---------- Regional/engineering note blocks ---------- */
.note-block{
  display:flex; gap:20px; background:var(--cream-2); border-radius:var(--radius-md); padding:28px 30px;
  margin-top:20px;
}
.note-block__icon{ color:var(--orange-dark); flex-shrink:0; }
.note-block h4{ font-size:1rem; margin-bottom:.4em; }
.note-block p{ font-size:.92rem; color:var(--gray-700); margin:0; }
.note-block--dark{ background:var(--navy-2); }
.note-block--dark h4{ color:#fff; }
.note-block--dark p{ color:#b7c1cd; }
.note-block--dark .note-block__icon{ color:var(--orange-light); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1080px){
  .products-grid, .designs-grid{ grid-template-columns:repeat(2,1fr); }
  .gallery-grid{ grid-template-columns:repeat(3,1fr); }
  .clients-grid{ grid-template-columns:repeat(3,1fr); }
  .about__grid{ grid-template-columns:1fr; gap:48px; }
  .about__media{ max-width:520px; margin:0 auto; }
}

@media (max-width: 900px){
  .topbar{ display:none; }
  #siteNav{
    position:fixed; top:0; right:0; height:100vh; width:min(320px,86vw); background:var(--navy);
    padding:100px 30px 40px; transform:translateX(100%); transition:transform .4s var(--ease); overflow-y:auto;
  }
  #siteNav.is-open{ transform:translateX(0); box-shadow:-20px 0 60px rgba(0,0,0,.35); }
  #siteNav ul{ flex-direction:column; gap:4px; }
  #siteNav a{ padding:14px 16px; font-size:1rem; }
  #navToggle{ display:flex; }
  .navbar__actions .btn--sm{ display:none; }
  .hero__stats{ grid-template-columns:repeat(2,1fr); }
  .process{ grid-template-columns:repeat(2,1fr); }
  .specs{ grid-template-columns:1fr; }
  .compare{ grid-template-columns:1fr; }
  .compare__vs{ width:100%; height:56px; padding:0; }
  .compare__vs::before{ top:50%; bottom:auto; left:0; right:0; width:auto; height:2px; transform:translateY(-50%); background:linear-gradient(90deg, transparent, var(--orange) 18%, var(--orange) 82%, transparent); }
  .contact-grid{ grid-template-columns:1fr; }
  .footer__grid{ grid-template-columns:1fr 1fr; }
  .highlight-grid{ grid-template-columns:1fr; }
  .cta-banner{ padding:44px 28px; }
  .page-banner{ padding:150px 0 56px; }
}

@media (max-width: 640px){
  .section{ padding:76px 0; }
  .hero{ padding-top:130px; }
  .hero__cta{ flex-direction:column; align-items:stretch; }
  .hero__cta .btn{ width:100%; }
  .hero__stats{ grid-template-columns:1fr 1fr; gap:24px 16px; }
  .products-grid, .designs-grid{ grid-template-columns:1fr; }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); gap:10px; }
  .clients-grid{ grid-template-columns:repeat(2,1fr); }
  .advantages{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
  .footer__grid{ grid-template-columns:1fr; text-align:left; }
  .footer__bottom-inner{ flex-direction:column; text-align:center; }
  .about__media-badge{ left:12px; right:12px; bottom:-20px; max-width:none; }
  .fab{ width:50px; height:50px; right:16px; }
  .trustbar{ padding:38px 0; }
  .trustbar__label p{ font-size:.72rem; letter-spacing:.06em; margin-bottom:22px; }
  .marquee{ padding:18px 0; }
  .marquee__item{ width:98px; height:98px; padding:17px; margin-right:40px; }
  .contact-form, .contact-info{ padding:28px 22px; }
  .contact-info > h2{ font-size:1.4rem; }
  .fab--whatsapp{ bottom:16px; }
  .fab--top{ bottom:76px; }
  .topbar__inner{ justify-content:center; }
  .topbar__social{ display:none; }
  .teaser-head{ flex-direction:column; align-items:flex-start; }
  .note-block{ flex-direction:column; }
  .cta-banner__actions .btn{ width:100%; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}