/* ===== QUACHEMCO Website — Style chung (Tông 3 MÀU TƯƠI: XANH – ĐỎ – VÀNG, theo logo Con Ngựa) ===== */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&display=swap');

:root{
  /* XANH LÁ TƯƠI — màu chủ đạo (giữ tên biến cũ để không phải sửa HTML) */
  --green-900:#0f3d23; --green-800:#166534; --green-700:#15803d; --green-600:#16a34a;
  --green-500:#22c55e; --green-300:#86efac; --green-100:#dcfce7; --green-50:#f0fdf4;
  /* VÀNG TƯƠI — nút hành động, điểm sáng */
  --gold:#fbbf24; --gold-dark:#d97706; --gold-soft:#fef3c7;
  /* ĐỎ TƯƠI — điểm nhấn: con số, hotline, nhãn */
  --red:#dc2626; --red-dark:#b91c1c; --red-soft:#fee2e2;
  --ink:#14291c; --muted:#5f7266; --line:#e3efe6; --bg:#f4faf5; --white:#fff;
  --radius:14px; --shadow:0 6px 20px rgba(22,101,52,.09); --shadow-lg:0 12px 34px rgba(22,101,52,.16);
  --wrap:1180px;

  /* Thang cỡ chữ chuẩn */
  --fs-body:16px; --fs-sm:14px; --fs-xs:13px;
  --fs-h1:44px; --fs-h1-page:36px; --fs-h2:30px; --fs-h3:18px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);font-size:var(--fs-body);line-height:1.65;background:var(--white);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px;}
.sec{padding:64px 0;}
.sec-sm{padding:44px 0;}
.eyebrow{font-size:var(--fs-xs);color:var(--red);font-weight:700;letter-spacing:1.5px;text-transform:uppercase;}
h1,h2,h3{color:var(--green-800);line-height:1.25;font-weight:700;}
.h-sec{font-size:var(--fs-h2);margin:6px 0 10px;}
.lead{color:var(--muted);font-size:var(--fs-body);max-width:640px;}
.center{text-align:center;}
.center .lead{margin-left:auto;margin-right:auto;}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;padding:13px 26px;border-radius:11px;transition:.2s;cursor:pointer;border:none;}
.btn-gold{background:var(--gold);color:#713f12;box-shadow:0 8px 20px rgba(251,191,36,.4);}
.btn-gold:hover{transform:translateY(-2px);background:#f59e0b;}
.btn-green{background:var(--green-600);color:#fff;box-shadow:0 8px 20px rgba(22,163,74,.32);}
.btn-green:hover{background:var(--green-700);transform:translateY(-2px);}
.btn-red{background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(220,38,38,.32);}
.btn-red:hover{background:var(--red-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--green-700);border:1.5px solid var(--green-300);}
.btn-ghost:hover{background:var(--green-50);}
.btn-white{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.45);}
.btn-white:hover{background:rgba(255,255,255,.24);}

/* Top bar */
.topbar{background:var(--green-900);color:var(--green-100);font-size:var(--fs-xs);}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding-top:8px;padding-bottom:8px;}
.topbar a:hover{color:#fff;}

/* Header / Nav */
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
.header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-mark{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--green-500),var(--green-700));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 4px 12px rgba(22,101,52,.3);}
.logo-txt b{display:block;font-size:17px;color:var(--green-800);letter-spacing:.4px;}
.logo-txt span{font-size:11.5px;color:var(--muted);}
.nav{display:flex;align-items:center;gap:22px;font-size:15px;font-weight:500;color:#1f3d2b;}
.nav a{padding:4px 0;position:relative;}
.nav a:hover,.nav a.active{color:var(--green-600);}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--gold);border-radius:2px;}
.nav .btn{padding:9px 18px;font-size:14px;}
.menu-toggle{display:none;font-size:26px;background:none;border:none;color:var(--green-800);cursor:pointer;}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,var(--green-700) 0%,var(--green-800) 55%,var(--green-900) 100%);color:#fff;overflow:hidden;}
.hero .wrap{position:relative;padding-top:80px;padding-bottom:96px;z-index:2;}
.hero .blob{position:absolute;border-radius:50%;z-index:1;}
.hero .b1{top:-80px;right:-60px;width:340px;height:340px;background:rgba(251,191,36,.18);}
.hero .b2{bottom:-110px;right:120px;width:220px;height:220px;background:rgba(220,38,38,.14);}
.hero-badge{display:inline-block;background:rgba(251,191,36,.24);color:#fde68a;font-size:var(--fs-sm);font-weight:500;padding:7px 15px;border-radius:20px;margin-bottom:20px;}
.hero h1{color:#fff;font-size:var(--fs-h1);line-height:1.2;max-width:680px;}
.hero h1 .hl{color:var(--gold);}
.hero p{color:#d9f2e0;font-size:17px;max-width:560px;margin:18px 0 28px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.page-hero{background:linear-gradient(135deg,var(--green-700),var(--green-900));color:#fff;padding:56px 0;text-align:center;}
.page-hero h1{color:#fff;font-size:var(--fs-h1-page);}
.page-hero p{color:#d9f2e0;max-width:640px;margin:12px auto 0;font-size:17px;}
.crumb{font-size:var(--fs-xs);color:var(--green-100);margin-bottom:10px;}

/* Stats */
.stats{max-width:var(--wrap);margin:-46px auto 0;padding:0 22px;position:relative;z-index:5;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 14px;text-align:center;border-top:3px solid var(--gold);}
.stat b{display:block;font-size:30px;color:var(--red);}
.stat span{font-size:var(--fs-xs);color:var(--muted);}

/* Cards / grids */
.grid{display:grid;gap:22px;}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.g2{grid-template-columns:repeat(2,1fr);}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;transition:.2s;}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.ico{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px;}
.ico-green{background:var(--green-50);color:var(--green-600);}
.ico-gold{background:var(--gold-soft);color:var(--gold-dark);}
.ico-red{background:var(--red-soft);color:var(--red);}
.card h3{font-size:var(--fs-h3);margin-bottom:6px;}
.card p{color:var(--muted);font-size:14.5px;}

/* Product cards */
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;}
.prod:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.prod .thumb{height:170px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:52px;position:relative;}
.prod .body{padding:20px;}
.prod .body h3{font-size:var(--fs-h3);}
.prod .body p{color:var(--muted);font-size:var(--fs-sm);margin:6px 0 14px;}
.tag{position:absolute;top:12px;left:12px;background:#fff;color:var(--red);font-size:12px;font-weight:700;padding:4px 10px;border-radius:7px;}

/* Values grid */
.val{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;}
.val .num{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}
.val h3{font-size:17px;margin-bottom:8px;}
.val ul{list-style:none;}
.val li{font-size:13.5px;color:var(--muted);padding-left:20px;position:relative;margin-bottom:5px;}
.val li::before{content:"\2713";position:absolute;left:0;color:var(--green-600);font-weight:700;}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.step{text-align:center;}
.step .n{width:52px;height:52px;border-radius:50%;color:#fff;font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;}

/* Split (about) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.media-box{border-radius:18px;min-height:320px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:80px;box-shadow:var(--shadow-lg);}

/* Blog cards */
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;}
.post:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.post .cover{height:160px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:40px;}
.post .body{padding:20px;}
.post .meta{font-size:12px;color:var(--red);font-weight:700;text-transform:uppercase;letter-spacing:.5px;}
.post h3{font-size:17px;margin:8px 0;line-height:1.4;}
.post p{color:var(--muted);font-size:var(--fs-sm);}

/* Job list */
.job{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 26px;margin-bottom:16px;flex-wrap:wrap;}
.job h3{font-size:var(--fs-h3);}
.job .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;}
.chip{background:var(--green-50);color:var(--green-700);font-size:12.5px;padding:4px 12px;border-radius:20px;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:500;margin-bottom:6px;color:var(--green-800);}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:14.5px;background:var(--bg);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--green-500);background:#fff;}
.info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px;}
.info-row .ic{width:44px;height:44px;border-radius:11px;background:var(--green-50);color:var(--green-600);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.info-row b{display:block;font-size:15px;color:var(--green-800);}
.info-row span{font-size:14px;color:var(--muted);}

/* CTA band */
.cta{background:linear-gradient(120deg,var(--green-700),var(--green-900));border-radius:18px;padding:40px 44px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;}
.cta .blob{position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:rgba(251,191,36,.16);}
.cta h2{color:#fff;font-size:24px;position:relative;}
.cta p{color:#d9f2e0;position:relative;margin-top:6px;}

/* Footer */
.footer{background:var(--green-900);color:#a9c9b4;padding:52px 0 24px;font-size:14px;}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;}
.footer h4{color:var(--gold);font-size:14px;margin-bottom:14px;font-weight:600;}
.footer a{display:block;color:#8fb59a;padding:4px 0;}
.footer a:hover{color:#fff;}
.footer .brand b{color:#fff;font-size:16px;}
.footer .brand .line{margin:6px 0;display:flex;gap:8px;align-items:flex-start;}
.socials{display:flex;gap:10px;margin-top:12px;}
.socials a{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.08);color:var(--green-100);display:flex;align-items:center;justify-content:center;}
.socials a:hover{background:var(--gold);color:#713f12;}
.copyright{border-top:1px solid rgba(255,255,255,.09);margin-top:34px;padding-top:18px;text-align:center;font-size:12.5px;color:#7fa38c;}

/* Responsive */
@media(max-width:900px){
  .g3,.g4,.stats,.steps,.split,.contact-grid,.footer .cols{grid-template-columns:1fr 1fr;}
  :root{--fs-h1:34px;--fs-h2:26px;--fs-h1-page:30px;}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:16px 22px;gap:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);}
  .nav.open{display:flex;} .menu-toggle{display:block;} .header .wrap{position:relative;}
}
@media(max-width:560px){
  .g3,.g4,.g2,.stats,.steps,.split,.contact-grid,.footer .cols{grid-template-columns:1fr;}
  :root{--fs-h1:28px;--fs-h1-page:26px;--fs-h2:23px;} .cta{padding:28px;}
}