/* =========================================================
   AIMS — Automotive & Agricultural Radiator Fans
   "Fan the Heat, Stay Cool"
   Design tokens
   ========================================================= */
:root{
  --navy-deep:#0B2545;
  --navy:#154C86;
  --blue:#1C74B8;
  --teal:#2FAFCB;
  --teal-light:#7DD8E8;
  --heat:#FF7A29;
  --heat-dark:#E4600F;
  --ink:#0F1F33;
  --ink-soft:#3C4A5C;
  --bg:#F5F8FA;
  --bg-alt:#EDF3F7;
  --white:#FFFFFF;
  --line:#DCE6ED;
  --success:#1F9D55;
  --shadow-sm: 0 2px 8px rgba(11,37,69,.08);
  --shadow-md: 0 8px 24px rgba(11,37,69,.12);
  --shadow-lg: 0 16px 48px rgba(11,37,69,.18);
  --radius: 10px;
  --radius-lg: 18px;
  --maxw: 1220px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Barlow', 'Segoe UI', Arial, sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.font-display{
  font-family:'Oswald', 'Arial Narrow', sans-serif;
  text-transform:uppercase;
  letter-spacing:.02em;
  color:var(--navy-deep);
  line-height:1.15;
  margin:0 0 .5em;
}
p{margin:0 0 1em;}
a{color:var(--blue); text-decoration:none;}
img{max-width:100%; display:block;}
ul{padding-left:1.2em;}
.container{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
section{padding:72px 0;}
@media(max-width:768px){ section{padding:48px 0;} }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Oswald',sans-serif; text-transform:uppercase;
  font-size:.78rem; letter-spacing:.14em; font-weight:600;
  color:var(--heat-dark); margin-bottom:14px;
}
.eyebrow::before{content:''; width:22px; height:2px; background:var(--heat); display:inline-block;}

.section-head{max-width:720px; margin:0 auto 40px; text-align:center;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.5rem);}
.section-head p{color:var(--ink-soft); font-size:1.05rem;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:'Oswald',sans-serif; text-transform:uppercase; letter-spacing:.05em;
  font-size:.92rem; font-weight:600;
  padding:14px 28px; border-radius:6px; border:2px solid transparent;
  cursor:pointer; transition:all .2s ease; white-space:nowrap;
}
.btn-primary{ background:var(--heat); color:var(--white); border-color:var(--heat); box-shadow:0 6px 18px rgba(255,122,41,.35);}
.btn-primary:hover{ background:var(--heat-dark); border-color:var(--heat-dark); transform:translateY(-2px);}
.btn-outline{ background:transparent; color:var(--white); border-color:rgba(255,255,255,.6);}
.btn-outline:hover{ background:rgba(255,255,255,.12); border-color:var(--white);}
.btn-navy{ background:var(--navy); color:var(--white); border-color:var(--navy);}
.btn-navy:hover{ background:var(--navy-deep); border-color:var(--navy-deep); transform:translateY(-2px);}
.btn-whatsapp{ background:#25D366; color:var(--white); border-color:#25D366;}
.btn-whatsapp:hover{ background:#1DA851; border-color:#1DA851;}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px; font-size:.8rem;}

/* ---------- Header ---------- */
header.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(11,37,69,.96); backdrop-filter:blur(6px);
  box-shadow:0 2px 12px rgba(0,0,0,.15);
}
.nav-wrap{display:flex; align-items:center; justify-content:space-between; padding:12px 24px; max-width:var(--maxw); margin:0 auto;}
.brand{display:flex; align-items:center; gap:10px; color:var(--white); font-family:'Oswald',sans-serif; font-weight:600; font-size:1.3rem; letter-spacing:.03em;}
.brand img{height:42px; width:auto; border-radius:6px;}
nav.main-nav{display:flex; align-items:center; gap:28px;}
nav.main-nav a{color:#DCEAF5; font-family:'Oswald',sans-serif; font-size:.86rem; text-transform:uppercase; letter-spacing:.06em; font-weight:500; padding:6px 2px; border-bottom:2px solid transparent; transition:.2s;}
nav.main-nav a:hover, nav.main-nav a.active{color:var(--white); border-color:var(--heat);}
.nav-cta{display:flex; align-items:center; gap:12px;}
.menu-toggle{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;}
.menu-toggle span{width:26px; height:3px; background:var(--white); border-radius:2px;}

@media(max-width:960px){
  nav.main-nav{
    position:fixed; top:66px; left:0; right:0; bottom:0;
    background:var(--navy-deep); flex-direction:column; align-items:flex-start;
    padding:24px; gap:0; transform:translateX(-100%); transition:transform .3s ease; overflow-y:auto;
  }
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav a{width:100%; padding:14px 0; border-bottom:1px solid rgba(255,255,255,.08);}
  .menu-toggle{display:flex;}
  .nav-cta .btn span.btn-text{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background:radial-gradient(120% 140% at 15% 20%, var(--heat) 0%, transparent 45%),
             radial-gradient(120% 140% at 85% 80%, var(--teal) 0%, transparent 50%),
             linear-gradient(135deg, var(--navy-deep), var(--navy) 60%, var(--blue));
  color:var(--white); padding:100px 0 90px;
}
.hero-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center;}
.hero-eyebrow{display:inline-block; font-family:'Oswald',sans-serif; letter-spacing:.18em; text-transform:uppercase; font-size:.8rem; color:var(--teal-light); border:1px solid rgba(255,255,255,.3); padding:6px 14px; border-radius:30px; margin-bottom:18px;}
.hero h1{color:var(--white); font-size:clamp(2.1rem,4.2vw,3.4rem); max-width:600px;}
.hero .sub{font-size:1.15rem; color:#D9E7F2; max-width:520px; margin-bottom:6px;}
.hero .tagline{font-family:'Oswald',sans-serif; text-transform:uppercase; letter-spacing:.08em; color:var(--heat); font-weight:600; font-size:1rem; margin-bottom:28px;}
.hero-btns{display:flex; gap:14px; flex-wrap:wrap;}

.fan-stage{position:relative; display:flex; align-items:center; justify-content:center;}
.fan-ring{
  position:absolute; width:min(420px,90%); aspect-ratio:1/1; border-radius:50%;
  border:1px dashed rgba(255,255,255,.25);
}
.fan-ring.r2{width:min(320px,74%); border-color:rgba(255,255,255,.18);}
.fan-spin{
  width:min(260px,58%); aspect-ratio:1/1; border-radius:50%; object-fit:cover;
  filter:drop-shadow(0 20px 40px rgba(0,0,0,.4));
  animation:spin 6s linear infinite;
}
@keyframes spin{ to{transform:rotate(360deg);} }
@media (prefers-reduced-motion: reduce){ .fan-spin{animation:none;} }

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr; text-align:center;}
  .hero .sub, .hero h1{max-width:100%; margin-left:auto; margin-right:auto;}
  .hero-btns{justify-content:center;}
  .fan-stage{margin-top:20px;}
}

/* ---------- Stats ---------- */
.stats-bar{background:var(--navy-deep); color:var(--white);}
.stats-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center;}
.stats-grid .num{font-family:'Oswald',sans-serif; font-size:clamp(1.8rem,3vw,2.6rem); font-weight:600; color:var(--teal-light);}
.stats-grid .label{font-size:.85rem; letter-spacing:.05em; text-transform:uppercase; color:#B9CBDA;}
@media(max-width:700px){ .stats-grid{grid-template-columns:repeat(2,1fr);} }

/* ---------- Cards ---------- */
.grid{display:grid; gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:960px){ .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);} }
@media(max-width:600px){ .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;} }

.card{
  background:var(--white); border-radius:var(--radius-lg); box-shadow:var(--shadow-sm);
  overflow:hidden; border:1px solid var(--line); transition:.25s;
  display:flex; flex-direction:column;
}
.card:hover{ box-shadow:var(--shadow-md); transform:translateY(-4px);}
.card .card-img{ aspect-ratio:4/3; overflow:hidden; background:var(--bg-alt); position:relative;}
.card .card-img img{width:100%; height:100%; object-fit:cover;}
.card-body{padding:18px 20px 22px; display:flex; flex-direction:column; gap:8px; flex:1;}
.card-body h3{font-size:1.05rem; margin:0;}
.card-tag{font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; color:var(--teal); font-weight:700;}
.card-feat{font-size:.88rem; color:var(--ink-soft); margin:0;}
.card-actions{display:flex; gap:10px; margin-top:auto; padding-top:10px;}

/* Feature icon boxes */
.feature-box{background:var(--white); border-radius:var(--radius-lg); padding:28px 24px; border:1px solid var(--line); box-shadow:var(--shadow-sm);}
.feature-box .ico{width:48px; height:48px; border-radius:12px; background:linear-gradient(135deg,var(--heat),var(--heat-dark)); display:flex; align-items:center; justify-content:center; color:#fff; font-family:'Oswald',sans-serif; font-weight:700; margin-bottom:14px;}
.feature-box h3{font-size:1.05rem;}
.feature-box p{color:var(--ink-soft); font-size:.92rem; margin:0;}

/* ---------- Featured product split ---------- */
.featured{background:var(--white);}
.feat-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:50px; align-items:center;}
.feat-img{background:radial-gradient(circle at 40% 40%, var(--bg-alt), var(--white)); border-radius:var(--radius-lg); padding:30px; border:1px solid var(--line);}
.feat-list{list-style:none; padding:0; margin:20px 0; display:grid; gap:10px;}
.feat-list li{display:flex; gap:10px; align-items:flex-start; font-size:.98rem; color:var(--ink-soft);}
.feat-list li::before{content:'✓'; color:var(--success); font-weight:700; flex-shrink:0;}
@media(max-width:900px){ .feat-grid{grid-template-columns:1fr;} }

/* ---------- Why choose ---------- */
.why-section{background:var(--bg-alt);}

/* ---------- Testimonials ---------- */
.testi-card{background:var(--white); border-radius:var(--radius-lg); padding:26px; border:1px solid var(--line); box-shadow:var(--shadow-sm);}
.testi-stars{color:var(--heat); letter-spacing:2px; margin-bottom:10px;}
.testi-name{font-family:'Oswald',sans-serif; font-weight:600; margin-top:14px;}
.testi-role{font-size:.82rem; color:var(--ink-soft);}

/* ---------- Category pill nav (products page) ---------- */
.filter-bar{background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg); padding:20px; box-shadow:var(--shadow-sm); margin-bottom:34px;}
.filter-row{display:flex; flex-wrap:wrap; gap:10px; align-items:center;}
.filter-row label{font-family:'Oswald',sans-serif; font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-soft); margin-right:6px;}
.search-input{flex:1; min-width:220px; padding:12px 16px; border:1px solid var(--line); border-radius:6px; font-size:.95rem; font-family:inherit;}
select.filter-select{padding:12px 14px; border:1px solid var(--line); border-radius:6px; font-family:inherit; font-size:.9rem; background:var(--white);}
.pill{
  padding:8px 16px; border-radius:30px; border:1px solid var(--line); background:var(--white);
  font-size:.82rem; font-family:'Oswald',sans-serif; letter-spacing:.03em; cursor:pointer; transition:.2s;
}
.pill.active, .pill:hover{ background:var(--navy); color:var(--white); border-color:var(--navy);}
.results-count{color:var(--ink-soft); font-size:.9rem; margin-bottom:18px;}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  background:linear-gradient(120deg,var(--navy-deep),var(--navy));
  color:var(--white); padding:64px 0 50px; text-align:center;
}
.page-hero h1{color:var(--white); font-size:clamp(1.8rem,3.4vw,2.6rem);}
.page-hero p{color:#CFE1EE; max-width:640px; margin:0 auto;}
.breadcrumb{font-size:.82rem; color:var(--teal-light); margin-bottom:14px;}
.breadcrumb a{color:var(--teal-light);}

/* ---------- Forms ---------- */
.form-card{background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg); padding:32px; box-shadow:var(--shadow-sm);}
.form-group{margin-bottom:18px;}
.form-group label{display:block; font-family:'Oswald',sans-serif; font-size:.78rem; text-transform:uppercase; letter-spacing:.05em; margin-bottom:6px; color:var(--ink);}
.form-group input, .form-group select, .form-group textarea{
  width:100%; padding:13px 14px; border:1px solid var(--line); border-radius:6px; font-family:inherit; font-size:.95rem; background:var(--bg);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{ outline:2px solid var(--teal); outline-offset:1px; background:var(--white);}
.form-error{color:#D02B2B; font-size:.8rem; margin-top:4px; display:none;}
.form-group.invalid input, .form-group.invalid textarea, .form-group.invalid select{border-color:#D02B2B;}
.form-group.invalid .form-error{display:block;}
.form-success{background:#E7F7EC; border:1px solid #B7E4C4; color:#1F6B3A; padding:16px; border-radius:8px; margin-bottom:20px; display:none; font-size:.92rem;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy-deep); color:#B9CBDA; padding:56px 0 0;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:36px;}
.footer-grid h4{color:var(--white); font-size:.9rem; letter-spacing:.06em; margin-bottom:16px;}
.footer-grid ul{list-style:none; padding:0; margin:0; display:grid; gap:10px;}
.footer-grid a{color:#B9CBDA; font-size:.9rem;}
.footer-grid a:hover{color:var(--teal-light);}
.footer-brand{display:flex; align-items:center; gap:10px; margin-bottom:14px;}
.footer-brand img{height:38px; border-radius:6px;}
.footer-brand span{font-family:'Oswald',sans-serif; color:var(--white); font-size:1.2rem;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1); margin-top:40px; padding:18px 24px; text-align:center; font-size:.82rem;}
@media(max-width:800px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media(max-width:500px){ .footer-grid{grid-template-columns:1fr;} }

/* ---------- Floating buttons ---------- */
.whatsapp-float{
  position:fixed; bottom:24px; right:24px; z-index:900;
  background:#25D366; color:#fff; width:58px; height:58px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; box-shadow:0 8px 20px rgba(0,0,0,.25);
  font-size:28px; transition:.2s;
}
.whatsapp-float:hover{ transform:scale(1.08); color:#fff;}
.back-to-top{
  position:fixed; bottom:24px; left:24px; z-index:900;
  background:var(--navy); color:#fff; width:46px; height:46px; border-radius:50%;
  display:none; align-items:center; justify-content:center; box-shadow:0 8px 20px rgba(0,0,0,.25);
  font-size:20px; border:none; cursor:pointer;
}
.back-to-top.show{display:flex;}

/* ---------- Product Details ---------- */
.pd-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:48px;}
.pd-gallery{background:var(--bg-alt); border-radius:var(--radius-lg); border:1px solid var(--line); padding:30px;}
.pd-specs{width:100%; border-collapse:collapse; margin-top:10px;}
.pd-specs td{padding:10px 12px; border-bottom:1px solid var(--line); font-size:.92rem;}
.pd-specs td:first-child{color:var(--ink-soft); width:45%; font-family:'Oswald',sans-serif; font-size:.82rem; text-transform:uppercase; letter-spacing:.04em;}
.tabs-nav{display:flex; gap:6px; flex-wrap:wrap; border-bottom:2px solid var(--line); margin:36px 0 24px;}
.tab-btn{padding:12px 20px; background:none; border:none; cursor:pointer; font-family:'Oswald',sans-serif; text-transform:uppercase; letter-spacing:.04em; font-size:.85rem; color:var(--ink-soft); border-bottom:3px solid transparent; margin-bottom:-2px;}
.tab-btn.active{color:var(--navy); border-color:var(--heat);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
@media(max-width:900px){ .pd-grid{grid-template-columns:1fr;} }

/* ---------- Blog ---------- */
.blog-content{max-width:760px; margin:0 auto;}
.blog-content h2{font-size:1.5rem; margin-top:1.6em;}
.blog-content h3{font-size:1.2rem; margin-top:1.4em;}
.blog-content p{color:var(--ink-soft); font-size:1.02rem;}
.blog-content ul li{color:var(--ink-soft); margin-bottom:6px;}
.blog-meta{display:flex; gap:14px; align-items:center; font-size:.82rem; color:var(--ink-soft); margin-bottom:10px; flex-wrap:wrap;}
.blog-meta .tag{background:var(--bg-alt); padding:3px 10px; border-radius:20px; font-weight:600; color:var(--navy);}

/* ---------- Utility ---------- */
.text-center{text-align:center;}
.mt-0{margin-top:0;} .mb-0{margin-bottom:0;}
.mt-2{margin-top:2rem;} .mb-2{margin-bottom:2rem;}
.divider{height:1px; background:var(--line); margin:40px 0;}
.badge{display:inline-block; background:var(--bg-alt); color:var(--navy); font-size:.72rem; font-weight:700; padding:4px 10px; border-radius:20px; text-transform:uppercase; letter-spacing:.04em;}
.value-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:16px;}
@media(max-width:900px){ .value-grid{grid-template-columns:repeat(2,1fr);} }
.map-placeholder{
  width:100%; aspect-ratio:16/7; background:var(--bg-alt) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40"><rect width="40" height="40" fill="%23EDF3F7"/><path d="M0 40 L40 0" stroke="%23DCE6ED" stroke-width="1"/></svg>');
  background-size:40px 40px; border-radius:var(--radius-lg); border:1px dashed var(--line);
  display:flex; align-items:center; justify-content:center; color:var(--ink-soft); font-family:'Oswald',sans-serif; text-transform:uppercase; letter-spacing:.06em; font-size:.85rem;
}