/* ============ RESET & BASE ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;line-height:1.6;color:#1a2530;background:#fff;
  -webkit-font-smoothing:antialiased;padding-bottom:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}

:root{
  --green-1:#0f7a4d;
  --green-2:#15a368;
  --green-3:#27d28a;
  --wa:#25d366;
  --wa-2:#128c7e;
  --ink:#0f1e2b;
  --ink-2:#3b4b59;
  --muted:#697686;
  --bg-soft:#f5f8f6;
  --bg-soft-2:#eef5f0;
  --line:#e3eae5;
  --grad-primary:linear-gradient(135deg,#15a368 0%,#27d28a 50%,#25d366 100%);
  --grad-wa:linear-gradient(135deg,#25d366 0%,#128c7e 100%);
  --shadow-sm:0 4px 12px rgba(15,30,43,.06);
  --shadow-md:0 12px 32px rgba(15,30,43,.10);
  --shadow-lg:0 24px 60px rgba(15,30,43,.16);
  --radius:14px;
}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ TYPOGRAPHY ============ */
h1,h2,h3,h4,h5{color:var(--ink);font-weight:800;line-height:1.2;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:900}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}
h3{font-size:1.35rem}
.eyebrow{display:inline-block;padding:6px 14px;background:var(--bg-soft-2);color:var(--green-1);
  border-radius:999px;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}
.gradient-text{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent}
.section{padding:90px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 56px}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.05rem}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:none;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-wa);color:#fff;box-shadow:0 10px 24px rgba(37,211,102,.35)}
.btn-primary:hover{box-shadow:0 14px 34px rgba(37,211,102,.5)}
.btn-outline{background:transparent;border:2px solid var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-block{width:100%}
.wa-ico{width:20px;height:20px;flex-shrink:0}

/* bouncing animation */
@keyframes pulseBounce{
  0%,100%{transform:translateY(0) scale(1)}
  40%{transform:translateY(-6px) scale(1.03)}
  70%{transform:translateY(0) scale(.98)}
}
.btn-bounce{animation:pulseBounce 2.2s ease-in-out infinite}
.btn-bounce:hover{animation-play-state:paused;transform:translateY(-3px) scale(1.04)}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center}
.logo img{height:48px;width:auto;object-fit:contain}
.main-nav{display:flex;gap:28px}
.main-nav a{font-weight:600;font-size:.95rem;color:var(--ink-2);position:relative}
.main-nav a:hover{color:var(--green-1)}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad-primary);transition:width .25s}
.main-nav a:hover::after{width:100%}
.btn-quote{padding:11px 22px}
.hamburger{display:none;background:none;border:none;cursor:pointer;width:36px;height:36px;flex-direction:column;justify-content:center;gap:5px}
.hamburger span{display:block;height:2.5px;width:24px;background:var(--ink);border-radius:2px;transition:.3s;margin:0 auto}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ============ HERO ============ */
.hero{position:relative;padding:80px 0 100px;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;background:url('../images/hero-bg.jpg') center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(135deg,rgba(8, 41, 26, 0.85) 0%,rgba(51, 90, 74, 0.7) 50%,rgba(30, 66, 47, 0.85) 100%)}

.hero-grid{display:grid;grid-template-columns:1.15fr .9fr;gap:50px;align-items:center}
.hero-text{color:#fff}
.hero-text h1{color:#fff}
.hero-sub{font-size:1.08rem;margin:22px 0 28px;color:rgba(255,255,255,.88);max-width:580px}
.trust-list{display:grid;gap:10px;margin-bottom:32px}
.trust-list li{position:relative;padding-left:28px;color:rgba(255,255,255,.92);font-weight:500}
.trust-list li::before{content:"";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;
  background:var(--grad-primary);
  background-image:linear-gradient(135deg,#15a368,#27d28a),url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'/>")}
.trust-list li::after{content:"✓";position:absolute;left:3px;top:3px;color:#fff;font-size:.7rem;font-weight:900;line-height:1;
  width:18px;height:18px;display:flex;align-items:center;justify-content:center}
.highlight-moq{font-size:1.15rem;font-weight:700;color:#fff;text-shadow:0 0 20px rgba(39,210,138,.4)}
.highlight-moq::before{background:linear-gradient(135deg,#ff6b35,#f7931e);width:20px;height:20px;top:5px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-ctas .btn-outline{border-color:#fff;color:#fff}
.hero-ctas .btn-outline:hover{background:#fff;color:var(--ink)}

.hero-form-card{background:#fff;border-radius:20px;padding:32px;box-shadow:var(--shadow-lg)}
.hero-form-card h3{font-size:1.35rem;margin-bottom:6px}
.form-sub{color:var(--muted);font-size:.92rem;margin-bottom:20px}

.quote-form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.quote-form input,.quote-form select,.quote-form textarea{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fafbfa;
  font-size:.95rem;transition:border-color .2s,background .2s;
}
.quote-form textarea{resize:vertical;min-height:80px;margin-bottom:14px}
.quote-form input:not(:last-of-type){margin-bottom:0}
.quote-form > input{margin-bottom:12px}
.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{outline:none;border-color:var(--green-2);background:#fff}

/* ============ PAIN POINTS ============ */
.pain{background:var(--bg-soft)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-card{background:#fff;border-radius:18px;padding:32px 26px;box-shadow:var(--shadow-sm);
  border:1px solid var(--line);transition:transform .3s,box-shadow .3s}
.pain-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.pain-icon{width:58px;height:58px;border-radius:14px;background:var(--grad-primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:#fff}
.pain-icon svg{width:30px;height:30px}
.pain-card h3{font-size:1.2rem;margin-bottom:10px}
.pain-card > p{color:var(--muted);font-size:.95rem;margin-bottom:18px}
.pain-solution{background:linear-gradient(135deg,#eaf8f0,#f0fbf5);border-left:3px solid var(--green-2);
  padding:14px 16px;border-radius:8px;font-size:.9rem;color:var(--ink-2)}
.pain-solution strong{color:var(--green-1)}

/* ============ PRODUCTS ============ */
.products{background:#fff}
.product-block{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:start;margin-bottom:90px}
.product-block:last-child{margin-bottom:0}
.product-block.reverse{direction:rtl}
.product-block.reverse > *{direction:ltr}
.product-media{border-radius:24px;padding:32px;
  display:flex;flex-direction:column;gap:14px;min-width:0}
.product-media img{border-radius:14px;object-fit:contain;width:100%;background:#fff;padding:14px}
.product-media img.specs-img{max-height:240px}
.product-media .swiper-wrap{border-radius:14px;overflow:hidden;background:#fff}
.product-description{text-align:center;padding:20px 0}
.product-description h3{font-size:1.6rem;margin-bottom:10px}
.product-description p{color:var(--muted);font-size:.95rem;line-height:1.6}
.product-info h3{font-size:1.9rem;margin-bottom:14px}
.product-info > p{color:var(--muted);margin-bottom:24px}
.product-info .btn{display:block;margin:20px auto 0;text-align:center}
.feature-cols{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:20px}
.feature-cols h4{font-size:.92rem;text-transform:uppercase;letter-spacing:.08em;color:var(--green-1);margin-bottom:14px}
.icon-list li{display:flex;align-items:flex-start;gap:10px;padding:5px 0;font-size:.93rem;color:var(--ink-2)}
.li-ico{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;
  background:var(--grad-primary);color:#fff;font-size:.75rem;font-weight:900;flex-shrink:0;margin-top:1px}

/* Specifications Table */
.specs-table{margin:28px 0;background:var(--bg-soft);border-radius:14px;padding:24px;border:1px solid var(--line)}
.specs-table h4{font-size:1.1rem;margin-bottom:16px;color:var(--ink)}
.specs-table table{width:100%;border-collapse:collapse}
.specs-table tr{border-bottom:1px solid var(--line)}
.specs-table tr:last-child{border-bottom:none}
.specs-table td{padding:12px 14px;font-size:.92rem;vertical-align:top}
.specs-table td:first-child{color:var(--muted);font-weight:600;width:40%}
.specs-table td:last-child{color:var(--ink-2)}
.specs-table tr:first-child td{background:var(--grad-primary);color:#fff;font-weight:700;text-align:center}
.specs-table tr:first-child td:first-child{border-radius:8px 0 0 0}
.specs-table tr:first-child td:last-child{border-radius:0 8px 0 0}

/* Swiper */
.swiper-wrap{position:relative;overflow:hidden;border-radius:14px;background:#fff;width:100%}
.swiper-track{display:flex;transition:transform .6s cubic-bezier(.6,.05,.3,1)}
.swiper-slide{flex:0 0 100%}
.swiper-slide img{width:100%;height:360px;object-fit:contain;padding:24px}
.swiper-dots{display:flex;justify-content:center;gap:8px;padding:14px}
.swiper-dots button{width:9px;height:9px;border-radius:50%;background:#cfd6d1;border:none;cursor:pointer;transition:.25s;padding:0}
.swiper-dots button.active{background:var(--green-2);width:28px;border-radius:5px}

/* ============ APPLICATIONS ============ */
.applications{background:var(--bg-soft)}
.app-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:20px}
.app-card{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-sm);
  transition:transform .35s}
.app-card:hover{transform:translateY(-6px)}
.app-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.app-card:hover img{transform:scale(1.08)}
.app-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(7,29,21,.92) 0%,rgba(7,29,21,.55) 45%,transparent 70%);
  padding:22px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff}
.app-overlay h4{color:#fff;font-size:1.15rem;margin-bottom:6px}
.app-overlay p{font-size:.85rem;opacity:.92;line-height:1.5}

/* Large card spans 2 rows with 16:9 aspect ratio */
.app-large{grid-row:span 2;aspect-ratio:16/9}

/* ============ APPLICATIONS ============ */
.applications { background: var(--bg-soft); }

/* PC 端布局：完美数学比例 1.6 : 1，使两侧在 16:9 和 4:3 比例下底部绝对齐平 */
.app-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
}

.app-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.app-left-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.app-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 卡片通用样式 */
.app-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .35s;
}

.app-card:hover {
  transform: translateY(-6px);
}

.app-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s;
}

.app-card:hover img {
  transform: scale(1.08);
}

/* 精准比例控制 */
.app-large {
  aspect-ratio: 16/9;
}

.app-left-bottom .app-card, 
.app-right .app-card {
  aspect-ratio: 4/3;
}

.app-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,29,21,.92) 0%, rgba(7,29,21,.55) 45%, transparent 70%);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
}

.app-overlay h4 {
  color: #fff;
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.app-overlay p {
  font-size: .85rem;
  opacity: .92;
  line-height: 1.5;
}

@media(max-width:1024px){
  /* 平板：左右结构变上下结构，左下变为并排两个 */
  .app-grid {
    grid-template-columns: 1fr;
  }
}

@media(max-width:640px){
  /* 手机：所有卡片均单列显示 */
  .app-left-bottom {
    grid-template-columns: 1fr; 
  }
}

/* ============ CUSTOMIZATION ============ */
.customization{background:#fff}
.cust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:80px}
.cust-card{background:linear-gradient(180deg,#fff,#f6fbf7);border:1px solid var(--line);
  border-radius:18px;padding:30px 24px;text-align:center;transition:transform .3s,box-shadow .3s}
.cust-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.cust-icon{width:62px;height:62px;border-radius:18px;background:var(--grad-primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:#fff}
.cust-icon svg{width:32px;height:32px}
.cust-card h3{font-size:1.15rem;margin-bottom:8px}
.cust-desc{color:var(--muted);font-size:.9rem;margin-bottom:14px;line-height:1.5}
.cust-card ul{display:grid;gap:8px}
.cust-card li{color:var(--ink-2);font-size:.9rem;padding:4px 0;display:flex;align-items:center;gap:8px}
.check{color:var(--green-2);font-weight:900;font-size:.85rem;flex-shrink:0}

.steps-title{text-align:center;font-size:1.7rem;margin-bottom:36px}
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:30px;height:2px;
  background:linear-gradient(90deg,var(--green-2),var(--green-3));z-index:0}
.step{position:relative;z-index:1;text-align:center;padding:0 6px}
.step-num{width:60px;height:60px;border-radius:50%;background:#fff;border:3px solid var(--green-2);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-weight:900;color:var(--green-1);
  font-size:1.3rem;box-shadow:0 6px 18px rgba(21,163,104,.25)}
.step h4{font-size:.92rem;color:var(--ink)}

/* ============ WHY (full bleed 5 cols) ============ */
.why{padding:90px 0 0;background:var(--bg-soft)}
.why-head{text-align:center;max-width:760px;margin:0 auto 50px}
.why-head p{color:var(--muted);margin-top:14px}
.why-strip{display:grid;grid-template-columns:repeat(5,1fr);width:100%;height:520px}
.why-col{position:relative;overflow:hidden;background-size:cover;background-position:center;
  transition:flex .5s;cursor:pointer;display:flex;align-items:flex-end;padding:30px}
.why-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(7,29,21,.85),rgba(7,29,21,.25) 60%,transparent);
  transition:background .35s}
.why-title{position:relative;z-index:2;color:#fff;font-size:1.25rem;font-weight:800;
  text-align:center;width:100%;transition:opacity .3s,transform .3s}
.why-detail{position:absolute;inset:0;z-index:2;padding:40px 28px;display:flex;flex-direction:column;justify-content:center;
  color:#fff;opacity:0;transform:translateY(20px);transition:opacity .35s,transform .35s;
  background:linear-gradient(135deg,rgba(15,122,77,.92),rgba(7,29,21,.95))}
.why-detail h3{color:#fff;font-size:1.25rem;margin-bottom:14px}
.why-detail p{font-size:.92rem;line-height:1.6;opacity:.95}
.why-col:hover .why-title{opacity:0;transform:translateY(20px)}
.why-col:hover .why-detail{opacity:1;transform:translateY(0)}
.why-col:hover .why-overlay{background:rgba(7,29,21,0)}

/* ============ ABOUT ============ */
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:start}
.about p{color:var(--muted);margin-top:14px;line-height:1.7}
.mission-box{margin-top:28px;padding:24px;border-radius:14px;background:var(--grad-primary);color:#fff}
.mission-box h4{color:#fff;margin-bottom:6px}
.mission-box p{color:rgba(255,255,255,.92);margin-top:0}
.who-we-serve{background:var(--bg-soft);border-radius:18px;padding:32px}
.who-we-serve h3{margin-bottom:18px}
.who-we-serve li{padding:12px 0;border-bottom:1px solid var(--line);font-weight:600;color:var(--ink-2);
  display:flex;align-items:center;gap:10px}
.who-we-serve li::before{content:"✓";color:var(--green-2);font-weight:900}
.who-we-serve li:last-child{border-bottom:0}

/* ============ CONTACT ============ */
.contact{background:linear-gradient(135deg,#f5f8f6,#eaf8f0)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-text p{color:var(--ink-2);margin-top:14px}
.contact-tags{font-weight:600;color:var(--green-1)!important}
.contact-info{margin:28px 0;padding:20px 24px;background:#fff;border-radius:14px;box-shadow:var(--shadow-sm)}
.contact-info p{margin:6px 0;color:var(--ink-2)}
.contact-form{background:#fff;border-radius:20px;padding:32px;box-shadow:var(--shadow-md)}
.contact-form h3{margin-bottom:20px}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.75);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:40px;margin-bottom:40px}
.footer-logo{color:#fff;font-size:1.6rem;margin-bottom:10px;display:block}
.footer-logo img{height:56px;width:auto;object-fit:contain}
.site-footer p{margin-bottom:4px;font-size:.92rem}
.muted{color:rgba(255,255,255,.5);font-size:.85rem}
.site-footer h5{color:#fff;font-size:1rem;margin-bottom:16px}
.site-footer ul li{padding:6px 0;font-size:.9rem}
.site-footer ul a:hover{color:var(--green-3)}
.copyright{text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;color:rgba(255,255,255,.5)}

/* ============ FLOATING WHATSAPP ============ */
.wa-float-desktop{position:fixed;right:24px;bottom:30px;z-index:60;
  width:60px;height:60px;border-radius:50%;background:var(--grad-wa);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px rgba(37,211,102,.45);
  animation:pulseBounce 2.4s ease-in-out infinite;transition:transform .25s}
.wa-float-desktop svg{width:32px;height:32px}
.wa-float-desktop:hover{transform:scale(1.1)}
.wa-tooltip{position:absolute;right:74px;background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;
  font-size:.85rem;font-weight:600;box-shadow:var(--shadow-md);white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .25s;transform:translateX(6px)}
.wa-float-desktop:hover .wa-tooltip{opacity:1;transform:translateX(0)}
.wa-tooltip::after{content:"";position:absolute;right:-6px;top:50%;transform:translateY(-50%);
  border:6px solid transparent;border-left-color:#fff}

.wa-mobile-bar{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:60;
  background:var(--grad-wa);color:#fff;padding:12px 16px;border-radius:14px;
  align-items:center;gap:14px;box-shadow:0 14px 30px rgba(37,211,102,.45);
  animation:pulseBounce 2.6s ease-in-out infinite;min-height:68px}
.wa-mobile-bar svg{width:32px;height:32px;flex-shrink:0}
.wa-mobile-bar > div{flex:1;display:flex;flex-direction:column;min-width:0;line-height:1.3}
.wa-mobile-bar strong{font-size:.9rem;font-weight:800;display:block}
.wa-mobile-bar span{font-size:.75rem;opacity:.95;display:block;margin-top:2px}
.wa-arrow{font-size:1.8rem;font-weight:900;line-height:1}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .main-nav,.btn-quote{display:none}
  .hamburger{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:1fr;gap:16px}
  .app-large{grid-row:auto}
  .cust-grid{grid-template-columns:repeat(2,1fr)}
  .product-block,.product-block.reverse{grid-template-columns:1fr;gap:40px;direction:ltr}
  .product-description h3{font-size:1.4rem}
  .why-strip{grid-template-columns:1fr;height:auto}
  .why-col{height:280px}
  .why-title{opacity:1!important;transform:none!important}
  .why-detail{position:relative;opacity:1;transform:none;background:linear-gradient(180deg,rgba(7,29,21,.6),rgba(7,29,21,.9))}
  .why-col .why-title{display:none}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .steps{grid-template-columns:repeat(3,1fr);gap:24px}
  .steps::before{display:none}

  .main-nav.open{display:flex;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;background:#fff;padding:20px;gap:14px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md)}
}
@media(max-width:640px){
  .section{padding:60px 0}
  .container{padding:0 16px}
  .hero{padding:50px 0 80px}
  .hero-bg{background:url(../images/hero-mobile.jpg) no-repeat;}
  .hero-form-card{padding:24px}
  .quote-form .row{grid-template-columns:1fr}
  .pain-grid{grid-template-columns:1fr}
  .app-grid{grid-template-columns:1fr;gap:16px}
  .app-large{grid-row:auto}
  .cust-grid{grid-template-columns:1fr}
  .feature-cols{grid-template-columns:1fr;gap:20px}
  .product-info h3{font-size:1.3rem;margin-bottom:10px;line-height:1.3;word-wrap:break-word;overflow-wrap:break-word}
  .product-info > p{margin-bottom:20px;font-size:.9rem;line-height:1.5}
  .product-info .btn{margin-top:20px}
  .specs-table{margin:20px 0;padding:16px}
  .specs-table td{padding:10px 12px;font-size:.88rem}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .wa-float-desktop{display:none}
  .wa-mobile-bar{display:flex}
  body{padding-bottom:100px}
  .hero-ctas .btn{flex:1;font-size:.88rem;padding:13px 18px}
  .swiper-slide img{height:260px}
}