/* =========================================================
   GEXCO — Trang chủ
   Bảng màu lấy trực tiếp từ logo:
     navy  #266489   vàng #EBB32C   đỏ #C7402D
   ========================================================= */

:root{
  --navy-900:#0B2135;
  --navy-800:#0E2A3F;
  --navy-700:#123A55;
  --navy-600:#1B4D6E;
  --navy:#266489;          /* xanh chủ đạo của logo */
  --navy-300:#5D93B4;
  --navy-100:#DCE8F0;

  --gold:#EBB32C;          /* vàng nhấn của logo */
  --gold-600:#C9930F;
  --red:#C7402D;           /* dùng rất hạn chế */

  --ink:#15232E;
  --ink-2:#4A5C69;
  --ink-3:#7A8A96;
  --line:#E1E8ED;
  --tint:#F3F7FA;
  --white:#FFFFFF;

  --wrap:1200px;
  --pad:24px;
  --r:14px;
  --r-sm:8px;
  --shadow-sm:0 2px 10px rgba(11,33,53,.06);
  --shadow:0 14px 40px rgba(11,33,53,.10);
  --shadow-lg:0 24px 60px rgba(11,33,53,.16);
  --t:.3s cubic-bezier(.4,0,.2,1);

  --header-h:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:800;letter-spacing:-.02em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.container{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--gold);color:var(--navy-900);padding:12px 20px;font-weight:700;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0}

:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ---------- Nút ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border:2px solid transparent;border-radius:var(--r-sm);
  font-weight:700;font-size:15px;line-height:1;cursor:pointer;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
}
.btn--primary{background:var(--gold);color:var(--navy-900);box-shadow:0 8px 24px rgba(235,179,44,.32)}
.btn--primary:hover{background:#F5C244;transform:translateY(-2px);box-shadow:0 12px 30px rgba(235,179,44,.42)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--navy-800);border-color:#fff;transform:translateY(-2px)}
.btn--sm{padding:12px 22px;font-size:14px}
.btn--block{width:100%}

/* ---------- Nhãn / tiêu đề chung ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--navy);
}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--gold);border-radius:2px}
.eyebrow--light{color:var(--gold)}

.h2{font-size:clamp(28px,3.4vw,42px);color:var(--navy-900)}
.section--dark .h2,.cta .h2{color:#fff}
.lead{font-size:16.5px;color:var(--ink-2)}
.lead strong{color:var(--navy-700)}

.section{padding:clamp(64px,8vw,110px) 0}
.section--tint{background:var(--tint)}
.section--slim{padding:clamp(48px,5vw,72px) 0}
.section--dark{background:var(--navy-900);color:#C6D7E3;position:relative;overflow:hidden}
.section--dark::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 90% at 12% 0%,rgba(38,100,137,.55),transparent 60%),
    radial-gradient(50% 80% at 92% 100%,rgba(235,179,44,.14),transparent 60%);
}
.section--dark .container{position:relative}

.section__head{max-width:760px;margin-bottom:clamp(36px,4vw,56px)}
.section__sub{color:var(--ink-2);margin-top:16px;font-size:16.5px}
.section__head--light .section__sub{color:#A9C0D0}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.grid-2--wide{align-items:start}

/* =========================================================
   TOPBAR
   ========================================================= */
.topbar{background:var(--navy-900);color:#A9C0D0;font-size:13.5px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:44px;flex-wrap:wrap}
.topbar__left{display:flex;gap:26px;flex-wrap:wrap}
.topbar__item{display:inline-flex;align-items:center;gap:8px;transition:color var(--t)}
.topbar__item svg{width:15px;height:15px;color:var(--gold);flex:none}
a.topbar__item:hover{color:#fff}
.topbar__right{display:flex;align-items:center;gap:18px}
.topbar__badge{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--gold);font-weight:600;
}
.topbar__badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(235,179,44,.7);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(235,179,44,0)}100%{box-shadow:0 0 0 0 rgba(235,179,44,0)}}
.topbar__phone{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:700;letter-spacing:.02em}
.topbar__phone svg{width:15px;height:15px;color:var(--gold)}
.topbar__phone:hover{color:var(--gold)}

/* =========================================================
   HEADER
   ========================================================= */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.header.is-stuck{box-shadow:0 6px 24px rgba(11,33,53,.10)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:var(--header-h)}

/* ---------- Wordmark (không dùng ảnh) ---------- */
.brand{display:inline-flex;flex-direction:column;gap:5px;line-height:1}
.brand__name{
  font-size:30px;font-weight:800;letter-spacing:.13em;color:var(--navy-800);
  text-indent:.13em;                 /* bù letter-spacing thừa ở ký tự cuối */
}
.brand__x{color:var(--gold)}
.brand__tag{
  display:flex;align-items:center;gap:9px;
  font-size:10px;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--ink-3);
  white-space:nowrap;
}
.brand__tag::before{content:"";width:16px;height:2px;background:var(--gold);border-radius:2px;flex:none}
.brand:hover .brand__name{color:var(--navy)}

.nav{display:flex;align-items:center;gap:6px}
.nav a{
  position:relative;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--ink-2);transition:color var(--t),background var(--t);
}
.nav a:hover{color:var(--navy-800);background:var(--tint)}
.nav a.is-active{color:var(--navy-800)}
.nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2.5px;border-radius:2px;background:var(--gold);
}
.nav__cta{
  margin-left:10px;background:var(--navy-800)!important;color:#fff!important;padding:12px 22px!important;
  box-shadow:0 6px 18px rgba(14,42,63,.22);
}
.nav__cta:hover{background:var(--navy)!important}
.nav__cta.is-active::after{display:none}

.burger{display:none;width:44px;height:44px;padding:10px;background:none;border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer}
.burger span{display:block;height:2px;background:var(--navy-800);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.burger span+span{margin-top:5px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;isolation:isolate;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04);animation:heroZoom 18s ease-out forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(102deg,rgba(11,33,53,.94) 0%,rgba(11,33,53,.86) 42%,rgba(11,33,53,.52) 72%,rgba(11,33,53,.42) 100%),
    linear-gradient(to top,rgba(11,33,53,.75),transparent 45%);
}
.hero__inner{position:relative;padding:clamp(72px,10vw,130px) var(--pad) clamp(56px,6vw,84px);max-width:var(--wrap)}
.hero__eyebrow{
  display:inline-block;margin:0 0 20px;padding:8px 16px;
  border:1px solid rgba(235,179,44,.5);border-radius:100px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--gold);text-transform:uppercase;
  background:rgba(235,179,44,.08);
}
.hero__title{font-size:clamp(30px,4.4vw,56px);max-width:26ch;letter-spacing:-.03em;text-wrap:balance}
.hero__title span{color:var(--gold)}
.hero__lead{max-width:56ch;margin-top:22px;font-size:clamp(16px,1.5vw,18px);color:#D3E1EB}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

.hero__facts{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2px;
  margin-top:clamp(48px,6vw,76px);
  border-top:1px solid rgba(255,255,255,.18);
}
.hero__facts li{padding:24px 24px 4px 0}
.hero__facts li+li{padding-left:28px;border-left:1px solid rgba(255,255,255,.14)}
.hero__facts strong{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;color:var(--gold);letter-spacing:-.02em;line-height:1.1}
.hero__facts span{display:block;margin-top:6px;font-size:13.5px;color:#B7CBD9}

/* =========================================================
   GIỚI THIỆU
   ========================================================= */
.about__media{position:relative}
.about__media img{border-radius:var(--r);box-shadow:var(--shadow)}
.about__media::before{
  content:"";position:absolute;left:-18px;top:-18px;width:120px;height:120px;
  border-left:4px solid var(--gold);border-top:4px solid var(--gold);border-radius:var(--r) 0 0 0;
}
.about__stamp{
  position:absolute;right:-14px;bottom:-24px;
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;background:var(--navy-800);color:#fff;border-radius:var(--r);box-shadow:var(--shadow-lg);
  max-width:330px;
}
.about__stamp strong{font-size:34px;font-weight:800;color:var(--gold);line-height:1;letter-spacing:-.02em}
.about__stamp span{font-size:12.5px;line-height:1.5;color:#BCD0DE}

.factlist{margin:30px 0 28px;border-top:1px solid var(--line)}
.factlist>div{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}
.factlist dt{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding-top:2px}
.factlist dd{margin:0;font-size:15.5px;font-weight:500;color:var(--navy-800)}

.link-arrow{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--navy);border-bottom:2px solid var(--gold);padding-bottom:3px;transition:gap var(--t),color var(--t)}
.link-arrow svg{width:18px;height:18px}
.link-arrow:hover{gap:16px;color:var(--navy-800)}

/* =========================================================
   DỊCH VỤ
   ========================================================= */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  padding:34px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--navy-100)}
.card__ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;margin-bottom:22px;border-radius:14px;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-700) 100%);color:var(--gold);
  box-shadow:0 8px 20px rgba(38,100,137,.26);
}
.card__ico svg{width:26px;height:26px;stroke-width:1.7}
.card h3{font-size:19px;color:var(--navy-900);margin-bottom:12px}
.card>p{color:var(--ink-2);font-size:15px}
.card__list{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);display:grid;gap:10px}
.card__list li{position:relative;padding-left:24px;font-size:14px;color:var(--ink-2);line-height:1.6}
.card__list li::before{
  content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:2px;
  background:var(--gold);transform:rotate(45deg);
}
.card--accent{background:linear-gradient(150deg,var(--navy-800) 0%,var(--navy-700) 100%);border-color:transparent;color:#C6D7E3}
.card--accent h3{color:#fff}
.card--accent>p{color:#B7CBD9;margin-bottom:24px}
.card--accent .card__ico{background:rgba(235,179,44,.16);color:var(--gold);box-shadow:none}
.card--accent .btn{margin-top:auto;align-self:flex-start}

/* =========================================================
   QUY TRÌNH
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.step{
  position:relative;padding:32px 28px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;transition:transform var(--t),box-shadow var(--t);
}
.step::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--gold);transform:scaleY(0);transform-origin:top;transition:transform var(--t)}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.step:hover::after{transform:scaleY(1)}
.step__no{
  display:block;font-size:44px;font-weight:800;line-height:1;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1.6px var(--navy-300);margin-bottom:16px;
}
.step h3{font-size:19px;color:var(--navy-900);margin-bottom:10px}
.step p{font-size:14.5px;color:var(--ink-2)}

/* =========================================================
   THÀNH TỰU
   ========================================================= */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);overflow:hidden}
.stat{padding:36px 30px;background:var(--navy-900);transition:background var(--t)}
.stat:hover{background:var(--navy-800)}
.stat strong{display:block;font-size:clamp(34px,4vw,48px);font-weight:800;color:var(--gold);line-height:1;letter-spacing:-.03em}
.stat h3{margin:12px 0 8px;font-size:16px;color:#fff;letter-spacing:.02em}
.stat p{font-size:14px;color:#9DB6C6}

/* =========================================================
   SẢN PHẨM
   ========================================================= */
.prods{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.prod{
  display:flex;gap:22px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  transition:transform var(--t),box-shadow var(--t);
}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.prod__ico{
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  width:60px;height:60px;border-radius:14px;background:var(--navy-100);color:var(--navy);
}
.prod__ico svg{width:28px;height:28px}
.prod h3{font-size:18px;color:var(--navy-900);margin-bottom:9px}
.prod p{font-size:14.5px;color:var(--ink-2)}
.note{margin-top:28px;text-align:center;font-size:15px;color:var(--ink-2)}
.note a{color:var(--navy);font-weight:700;border-bottom:2px solid var(--gold)}

/* =========================================================
   DỰ ÁN
   ========================================================= */
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.proj{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.proj:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.proj__img{aspect-ratio:4/3;overflow:hidden;background:var(--navy-100)}
.proj__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.proj:hover .proj__img img{transform:scale(1.06)}
.proj__body{padding:26px 28px 30px}
.tag{
  display:inline-block;margin-bottom:12px;padding:6px 12px;border-radius:100px;
  background:var(--navy-100);color:var(--navy-700);font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
}
.proj h3{font-size:19px;color:var(--navy-900);margin-bottom:10px}
.proj p{font-size:14.5px;color:var(--ink-2)}

/* =========================================================
   NĂNG LỰC / NHÂN SỰ
   ========================================================= */
.hr{display:grid;gap:26px;padding:36px 34px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.hr__row+.hr__row{padding-top:26px;border-top:1px solid var(--line)}
.hr__meta{display:flex;align-items:baseline;gap:12px;margin-bottom:10px}
.hr__meta strong{font-size:28px;font-weight:800;color:var(--navy);line-height:1;letter-spacing:-.02em;min-width:70px}
.hr__meta span{font-size:15px;font-weight:700;color:var(--navy-900)}
.hr__bar{height:8px;border-radius:100px;background:var(--tint);overflow:hidden}
.hr__bar i{display:block;height:100%;border-radius:100px;background:linear-gradient(90deg,var(--navy) 0%,var(--gold) 100%);transition:width 1.1s cubic-bezier(.4,0,.2,1)}
.hr__row p{margin-top:12px;font-size:14.5px;color:var(--ink-2)}

/* =========================================================
   ĐỐI TÁC (placeholder — thay bằng logo thật)
   ========================================================= */
.partners{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.partner{
  display:flex;align-items:center;justify-content:center;
  aspect-ratio:16/9;border:1px dashed var(--line);border-radius:var(--r-sm);
  background:var(--tint);color:var(--ink-3);font-size:13px;font-weight:600;text-align:center;
  transition:border-color var(--t),color var(--t)
}
.partner:hover{border-color:var(--navy-300);color:var(--navy)}

/* =========================================================
   CTA / LIÊN HỆ
   ========================================================= */
.cta{position:relative;isolation:isolate;color:#fff;padding:clamp(64px,8vw,104px) 0}
.cta__bg{position:absolute;inset:0;background-size:cover;background-position:center;background-attachment:fixed}
.cta__veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,33,53,.96) 0%,rgba(11,33,53,.9) 55%,rgba(18,58,85,.82) 100%)}
.cta__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,72px);align-items:start}
.cta__text p{color:#C3D5E2;max-width:52ch}
.cta__contacts{margin-top:30px;display:grid;gap:16px}
.cta__contacts li{display:flex;align-items:flex-start;gap:14px;font-size:15.5px;color:#D7E4EC}
.cta__contacts svg{width:20px;height:20px;color:var(--gold);flex:none;margin-top:3px}
.cta__contacts a:hover{color:var(--gold)}

.form{background:#fff;border-radius:var(--r);padding:34px 32px;box-shadow:var(--shadow-lg);color:var(--ink)}
.form__title{font-size:21px;color:var(--navy-900);margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.field{margin-bottom:16px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;margin-bottom:7px;font-size:13.5px;font-weight:600;color:var(--navy-800)}
.field label span{color:var(--red)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--r-sm);
  font-family:inherit;font-size:15px;color:var(--ink);background:var(--white);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{resize:vertical;min-height:96px}
.field input::placeholder,.field textarea::placeholder{color:#A9B6BF}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--navy);box-shadow:0 0 0 4px rgba(38,100,137,.12);
}
.field input.is-error,.field select.is-error{border-color:var(--red);box-shadow:0 0 0 4px rgba(199,64,45,.10)}
.form .btn{margin-top:8px}
.form__status{margin:14px 0 0;font-size:14px;font-weight:600;min-height:1.2em}
.form__status.ok{color:#1B7A4B}
.form__status.err{color:var(--red)}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{background:var(--navy-900);color:#9DB6C6;padding:clamp(52px,6vw,76px) 0 0}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.brand--footer .brand__name{color:#fff;font-size:32px}
.brand--footer:hover .brand__name{color:var(--gold)}
.brand--footer .brand__tag{color:#8FA9BC}
.footer__slogan{margin:20px 0 16px;font-style:italic;color:#C3D5E2;font-size:15px;max-width:36ch}
.footer__legal{font-size:13.5px;line-height:1.7;color:#7F99AC}
.footer__col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.03em}
.footer__col ul{display:grid;gap:11px}
.footer__col a{font-size:14.5px;transition:color var(--t)}
.footer__col a:hover{color:var(--gold)}
.footer__contact li{font-size:14.5px;line-height:1.65}
.footer__bottom{
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  margin-top:clamp(40px,5vw,60px);padding-block:22px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13.5px;color:#7F99AC;
}
.footer__bottom p{margin:0}

/* =========================================================
   NÚT GỌI NỔI
   ========================================================= */
.fab{
  position:fixed;right:22px;bottom:22px;z-index:90;
  display:none;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;
  background:var(--gold);color:var(--navy-900);
  box-shadow:0 10px 28px rgba(235,179,44,.45);
  transition:transform var(--t);
}
.fab svg{width:24px;height:24px;stroke-width:2}
.fab:hover{transform:scale(1.08)}

/* =========================================================
   HIỆU ỨNG XUẤT HIỆN
   ========================================================= */
/* Chỉ ẩn khi JS thực sự chạy — nếu JS lỗi/bị chặn, nội dung vẫn hiển thị đầy đủ */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.4,0,.2,1)}
.js .reveal.is-visible{opacity:1;transform:none}
.hr__bar i{width:var(--w)}
.js .hr__bar i{width:0}
.js .hr.is-visible .hr__bar i{width:var(--w)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js .reveal{opacity:1;transform:none}
  .js .hr__bar i{width:var(--w)}
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1100px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
  .nav a{padding:10px 11px;font-size:14.5px}
  .nav__cta{padding:11px 18px!important}
}

@media (max-width:960px){
  :root{--header-h:68px}
  .topbar__left .topbar__item:first-child{display:none}

  .burger{display:block}
  .nav{
    position:fixed;inset:calc(var(--header-h) + 44px) 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:14px var(--pad) 26px;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(11,33,53,.14);
    transform:translateY(-14px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity var(--t),transform var(--t),visibility var(--t);
    max-height:calc(100vh - var(--header-h) - 44px);overflow-y:auto;
  }
  .nav.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .nav a{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav a:hover{background:none}
  .nav a.is-active::after{left:4px;right:auto;width:22px;bottom:9px}
  .nav__cta{margin:18px 0 0;text-align:center;border-bottom:none!important;border-radius:var(--r-sm)!important;padding:15px!important}

  .grid-2,.cta__inner{grid-template-columns:1fr}
  .about__media{order:-1}
  .about__stamp{right:0;bottom:-20px;max-width:290px}
  .prods{grid-template-columns:1fr}
  .projects{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .hero__facts{grid-template-columns:repeat(2,1fr);gap:0}
  .hero__facts li{padding:20px 16px 18px 0}
  .hero__facts li:nth-child(2n){padding-left:24px;border-left:1px solid rgba(255,255,255,.14)}
  .hero__facts li:nth-child(2n+1){padding-left:0;border-left:none}
  .hero__facts li:nth-child(n+3){border-top:1px solid rgba(255,255,255,.14)}
  .partners{grid-template-columns:repeat(3,1fr)}
  .cta__bg{background-attachment:scroll}
  .fab{display:flex}
}

@media (max-width:640px){
  :root{--pad:18px}
  body{font-size:15.5px}
  .topbar{font-size:12.5px}
  .topbar__inner{justify-content:center;min-height:42px}
  .topbar__left{display:none}
  .topbar__right{gap:14px}
  .brand__name{font-size:24px}
  .brand__tag{font-size:9px;letter-spacing:.14em}
  .brand__tag::before{width:12px}

  .hero__actions .btn{width:100%}
  .cards,.steps{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .card,.step,.prod,.hr{padding:26px 22px}
  .prod{flex-direction:column;gap:16px}
  .factlist>div{grid-template-columns:1fr;gap:4px}
  .about__stamp{position:static;margin-top:16px;max-width:none;border-radius:var(--r)}
  .about__media::before{display:none}
  .field-row{grid-template-columns:1fr;gap:0}
  .form{padding:26px 22px}
  .partners{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
}