/* =========================================================
   Senhai Garage Doors — B2B site shared stylesheet
   ========================================================= */
:root{
  --color-primary:#16213E;
  --color-primary-light:#243156;
  --color-accent:#FF6B4A;
  --color-accent-dark:#E5502F;
  --color-text:#1E2430;
  --color-text-light:#5B6472;
  --color-border:#E4E7EC;
  --color-bg:#F7F8FA;
  --color-card:#FFFFFF;
  --radius-md:10px;
  --radius-lg:16px;
  --shadow-sm:0 2px 10px rgba(20,25,40,.06);
  --shadow-md:0 8px 30px rgba(20,25,40,.10);
  --font-heading:'Poppins',Arial,sans-serif;
  --font-body:'Inter',Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-body);color:var(--color-text);background:#fff;line-height:1.6;font-size:16px;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-heading);color:var(--color-primary);line-height:1.25;margin:0 0 14px;}
p{margin:0 0 16px;color:var(--color-text-light);}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
section{padding:72px 0;}
.section-tight{padding:48px 0;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-accent);margin-bottom:12px;}
.section-title{font-size:32px;max-width:720px;}
.section-sub{max-width:640px;font-size:16px;}
.center{text-align:center;margin-left:auto;margin-right:auto;}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:8px;font-weight:700;font-size:15px;cursor:pointer;border:2px solid transparent;transition:.15s;}
.btn-accent{background:var(--color-accent);color:#fff;}
.btn-accent:hover{background:var(--color-accent-dark);}
.btn-primary{background:var(--color-primary);color:#fff;}
.btn-primary:hover{background:var(--color-primary-light);}
.btn-outline{border-color:var(--color-primary);color:var(--color-primary);background:#fff;}
.btn-outline:hover{background:var(--color-primary);color:#fff;}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);}
.btn-block{width:100%;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}

/* Header / nav */
header.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--color-border);}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1180px;margin:0 auto;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:800;font-size:19px;color:var(--color-primary);}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;flex-shrink:0;}
nav.main-nav{display:flex;align-items:center;gap:28px;}
nav.main-nav a{font-weight:600;font-size:14.5px;color:var(--color-text);}
nav.main-nav a:hover{color:var(--color-accent);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.btn-whatsapp{background:#25D366;color:#fff;padding:10px 18px;border-radius:8px;font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px;}
.btn-whatsapp:hover{background:#1EBE5A;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle svg{width:26px;height:26px;color:var(--color-primary);}
@media (max-width:900px){
  nav.main-nav{position:fixed;top:66px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px 24px;gap:18px;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);transform:translateY(-130%);transition:.2s;}
  nav.main-nav.is-open{transform:translateY(0);}
  .nav-toggle{display:block;}
  .nav-cta .btn-outline{display:none;}
}

/* Breadcrumb */
.breadcrumb{background:var(--color-bg);padding:14px 0;font-size:13.5px;color:var(--color-text-light);}
.breadcrumb a{color:var(--color-text-light);}
.breadcrumb a:hover{color:var(--color-accent);}

/* Hero */
.hero{background:var(--color-primary);color:#fff;padding:64px 0;}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero h1{color:#fff;font-size:40px;margin-bottom:18px;}
.hero p.lead{color:rgba(255,255,255,.78);font-size:17px;max-width:520px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px;}
.hero-badge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:7px 14px;font-size:12.5px;font-weight:600;color:rgba(255,255,255,.9);display:flex;align-items:center;gap:6px;}
.hero-badge svg{width:14px;height:14px;color:var(--color-accent);}
.hero-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
@media (max-width:900px){.hero-inner{grid-template-columns:1fr;}.hero h1{font-size:30px;}}

/* Page header (for inner pages) */
.page-header{background:var(--color-primary);color:#fff;padding:48px 0 44px;}
.page-header h1{color:#fff;font-size:32px;margin-bottom:10px;}
.page-header p{color:rgba(255,255,255,.75);max-width:640px;margin:0;}

/* Stat strip */
.stat-strip{background:var(--color-bg);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-grid .num{font-family:var(--font-heading);font-weight:800;font-size:30px;color:var(--color-primary);}
.stat-grid .label{font-size:13.5px;color:var(--color-text-light);}
@media (max-width:760px){.stat-grid{grid-template-columns:1fr 1fr;}}

/* Cards / grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr;}.grid-2{grid-template-columns:1fr;}}
@media (max-width:560px){.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);}
.icon-badge{width:46px;height:46px;border-radius:12px;background:rgba(255,107,74,.12);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.icon-badge svg{width:22px;height:22px;color:var(--color-accent);}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{margin-bottom:0;font-size:14.5px;}

/* Product category card */
.product-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:.15s;display:flex;flex-direction:column;}
.product-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.product-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--color-bg);}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;}
.product-card .body{padding:22px;flex:1;display:flex;flex-direction:column;}
.product-card h3{font-size:18px;margin-bottom:8px;}
.product-card p{font-size:14px;flex:1;}
.product-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px;}
.product-card .tag{font-size:11.5px;font-weight:700;background:var(--color-bg);color:var(--color-text-light);padding:4px 9px;border-radius:20px;}
.product-card .btn{align-self:flex-start;}

/* Spec table */
.spec-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.spec-table th,.spec-table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--color-border);}
.spec-table th{width:220px;color:var(--color-text);font-weight:700;background:var(--color-bg);}

/* Feature list */
.feature-list{list-style:none;padding:0;margin:0 0 20px;}
.feature-list li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:15px;color:var(--color-text);}
.feature-list svg{width:18px;height:18px;color:var(--color-accent);flex-shrink:0;margin-top:2px;}

/* Product gallery thumbs */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.gallery-grid img{aspect-ratio:1/1;object-fit:cover;border-radius:10px;}
@media (max-width:700px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}

/* Timeline / process */
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.process-step{position:relative;padding-top:8px;}
.process-step .step-num{width:38px;height:38px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-family:var(--font-heading);margin-bottom:14px;}
@media (max-width:900px){.process-steps{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.process-steps{grid-template-columns:1fr;}}

/* Quote / CTA band */
.cta-band{background:var(--color-primary);color:#fff;border-radius:var(--radius-lg);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:6px;}
.cta-band p{color:rgba(255,255,255,.75);margin:0;}

/* Section alt bg */
.bg-alt{background:var(--color-bg);}

/* Form */
.form-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:var(--color-text);}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:12px 14px;border:1.5px solid var(--color-border);border-radius:8px;font-family:var(--font-body);font-size:14.5px;background:#fff;color:var(--color-text);}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--color-accent);}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:560px){.form-row-2{grid-template-columns:1fr;}}
.form-success{display:none;text-align:center;padding:24px;}
.form-success.is-visible{display:block;}
.form-success svg{width:44px;height:44px;color:#1EBE5A;margin:0 auto 12px;}

/* Footer */
footer{background:var(--color-primary);color:rgba(255,255,255,.75);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-brand .logo{color:#fff;}
.footer-brand p{margin:16px 0 6px;max-width:280px;line-height:1.7;font-size:14px;}
.footer-fact{font-size:12.5px;color:rgba(255,255,255,.5);margin-bottom:20px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;}
.footer-social svg{width:16px;height:16px;}
footer h4{color:#fff;font-size:14px;margin-bottom:16px;}
footer ul{list-style:none;padding:0;margin:0;}
footer li{margin-bottom:11px;font-size:14px;}
footer a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:rgba(255,255,255,.5);}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr;}}

/* WhatsApp floating button */
.whatsapp-float{position:fixed;bottom:22px;right:22px;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:90;}
.whatsapp-float svg{width:28px;height:28px;color:#fff;}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;}
.reveal.is-visible{opacity:1;transform:none;}