/* =========================================================
   THUẬN PHONG ELEVATOR — DESIGN SYSTEM v2.0
   Premium Industrial Aesthetic + Fancy Effects
   ========================================================= */

/* ---- 1. RESET ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{min-height:100vh;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,picture,svg,video{display:block;max-width:100%;height:auto}
input,button,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

/* ---- 2. DESIGN TOKENS ---- */
:root{
  /* colors — Light Style, bright & airy */
  --ivory:#FFFFFF;
  --paper:#F9FAFB;
  --paper-2:#F3F4F6;
  --ink:#111827;
  --ink-2:#1F2937;
  --ink-3:#374151;
  --muted:#6B7280;
  --muted-2:#9CA3AF;
  --line:#E5E7EB;
  --line-2:#D1D5DB;
  --amber:#EA580C;
  --amber-2:#F97316;
  --amber-3:#FB923C;
  --amber-light:#FFF7ED;
  --orange:#DC2626;
  --orange-2:#F97316;
  --white:#FFFFFF;
  --mint:#22C55E;
  --crimson:#EF4444;
  --blue:#2563EB;
  --blue-2:#3B82F6;
  --blue-light:#EFF6FF;
  --sky:#0EA5E9;
  --warm-bg:#FFFBF5;
  --warm-bg-2:#FFF7ED;

  /* gradients */
  --grad-amber:linear-gradient(135deg,#F97316 0%,#F59E0B 100%);
  --grad-amber-soft:linear-gradient(135deg,#FFF7ED 0%,#FEF3C7 100%);
  --grad-blue:linear-gradient(135deg,#2563EB 0%,#0EA5E9 100%);
  --grad-dark:linear-gradient(180deg,#111827 0%,#1F2937 100%);
  --grad-hero:linear-gradient(135deg,#FFFBF5 0%,#FFF7ED 40%,#FFFFFF 100%);
  --grad-glow:radial-gradient(600px circle at var(--mx,50%) var(--my,50%),rgba(249,115,22,.08),transparent 40%);
  --grad-shine:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);
  --grad-warm:linear-gradient(135deg,#FFF7ED 0%,#FEF3C7 100%);

  /* type — popular Vietnamese web fonts */
  --font-display:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-body:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono','SF Mono','Menlo',monospace;

  /* size */
  --container:1320px;
  --container-narrow:980px;
  --header-h:88px;

  /* radius */
  --r-sm:4px;
  --r:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-xl:32px;
  --r-full:9999px;

  /* shadow — soft & light */
  --shadow-sm:0 1px 3px rgba(0,0,0,.04),0 1px 2px rgba(0,0,0,.02);
  --shadow:0 4px 16px rgba(0,0,0,.05),0 2px 4px rgba(0,0,0,.03);
  --shadow-lg:0 16px 40px rgba(0,0,0,.08),0 6px 12px rgba(0,0,0,.04);
  --shadow-xl:0 24px 56px rgba(0,0,0,.1);
  --shadow-amber:0 8px 28px rgba(249,115,22,.2);
  --shadow-glow:0 0 40px rgba(249,115,22,.15);

  /* motion */
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-out:cubic-bezier(.33,1,.68,1);
  --ease-bounce:cubic-bezier(.34,1.56,.64,1);
  --t-fast:.2s var(--ease);
  --t:.35s var(--ease);
  --t-slow:.6s var(--ease);
  --t-extra:1s var(--ease);
}

/* ---- 3. TYPOGRAPHY ---- */
body{
  font-family:var(--font-body);
  background:var(--ivory);
  color:var(--ink);
  font-size:16px;
  font-weight:400;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.03em;
  line-height:1.1;
}
h1{font-size:clamp(48px,8vw,88px);font-weight:800}
h2{font-size:clamp(34px,5vw,56px);font-weight:700}
h3{font-size:clamp(24px,3vw,32px);font-weight:600}
h4{font-size:22px;font-weight:600}
.serif{font-family:var(--font-display)}
.mono{font-family:var(--font-mono)}
em{font-style:normal;color:var(--amber-2);font-weight:inherit}
strong{font-weight:700}
p{line-height:1.75;font-size:16px}

.text-gradient{
  background:var(--grad-amber);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-body);
  font-size:13px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--amber-2);font-weight:700;
}
.eyebrow::before{content:'';width:40px;height:3px;background:var(--grad-amber);border-radius:3px}
.eyebrow.center{justify-content:center}

.lead{font-size:18px;line-height:1.8;color:var(--muted);max-width:680px}
.muted{color:var(--muted)}
.small{font-size:14px}
.tiny{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700}

/* ---- 4. LAYOUT ---- */
.container{max-width:var(--container);margin:0 auto;padding:0 32px}
.container-narrow{max-width:var(--container-narrow);margin:0 auto;padding:0 32px}
section{padding:120px 0}
section.tight{padding:60px 0}
section.dark{background:var(--warm-bg);color:var(--ink)}
section.dark .muted{color:var(--muted)}
section.dark .eyebrow{color:var(--amber-2)}
section.dark .eyebrow::before{background:var(--grad-amber)}
section.dark h1,section.dark h2,section.dark h3{color:var(--ink)}
.divider{height:1px;background:var(--line);width:100%}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.gap-4{gap:1rem}.gap-6{gap:1.5rem}.gap-8{gap:2rem}
.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.mt-12{margin-top:4rem}
.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.mb-12{margin-bottom:4rem}
.text-center{text-align:center}

/* ---- 5. SCROLL PROGRESS BAR ---- */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;z-index:100;
  background:var(--grad-amber);
  transform-origin:left;transform:scaleX(0);
  transition:none;
  box-shadow:0 1px 8px rgba(249,115,22,.35);
}

/* ---- 6. BUTTONS ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 32px;
  font-family:var(--font-body);font-size:15px;font-weight:600;
  letter-spacing:.02em;
  background:var(--ink);color:var(--ivory);
  border:1px solid var(--ink);
  border-radius:var(--r);
  transition:all var(--t);
  cursor:pointer;text-align:center;
  white-space:nowrap;
  position:relative;overflow:hidden;
}
.btn::before{
  content:'';position:absolute;inset:0;
  background:var(--grad-shine);
  transform:translateX(-100%);
  transition:transform .6s var(--ease);
}
.btn:hover::before{transform:translateX(100%)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-amber{background:var(--grad-amber);border:none;color:var(--white)}
.btn-amber:hover{box-shadow:var(--shadow-amber);transform:translateY(-3px)}
.btn-ghost{background:transparent;color:var(--ink);border-radius:var(--r)}
.btn-ghost:hover{background:var(--ink);color:var(--ivory)}
.btn-light{background:var(--white);color:var(--ink);border-color:var(--line);border-radius:var(--r)}
.btn-light:hover{background:var(--amber-2);border-color:var(--amber-2);color:var(--white);box-shadow:var(--shadow-amber)}
.btn-arrow svg{transition:transform var(--t)}
.btn-arrow:hover svg{transform:translateX(5px)}
.btn-lg{padding:20px 40px;font-size:16px;border-radius:var(--r-md)}
.btn-sm{padding:10px 22px;font-size:13px}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:15px;
  padding-bottom:3px;transition:all var(--t);color:var(--amber-2);
  position:relative;
}
.link-arrow::after{
  content:'';position:absolute;bottom:0;left:0;width:100%;height:2px;
  background:var(--grad-amber);transform:scaleX(0);transform-origin:right;
  transition:transform var(--t);
}
.link-arrow:hover::after{transform:scaleX(1);transform-origin:left}
.link-arrow:hover{gap:14px}

/* ---- 7. FORM ---- */
.input,.textarea,.select{
  display:block;width:100%;
  padding:16px 18px;
  font-size:15px;
  background:var(--white);
  color:var(--ink);
  border:1px solid var(--line);
  border-radius:var(--r);
  transition:all var(--t);
  font-family:var(--font-body);
}
.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--amber-2);box-shadow:0 0 0 4px rgba(245,158,11,.1)}
.textarea{min-height:120px;resize:vertical}
.label{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-2);margin-bottom:8px}
.field{margin-bottom:20px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---- 8. CARDS / TAGS ---- */
.card{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:all var(--t);
  position:relative;
}
.card::before{
  content:'';position:absolute;inset:0;border-radius:inherit;
  background:var(--grad-glow);opacity:0;transition:opacity var(--t);pointer-events:none;
}
.card:hover{border-color:var(--amber-2);box-shadow:var(--shadow-xl);transform:translateY(-4px)}
.card:hover::before{opacity:1}
.card-body{padding:32px}
.tag{display:inline-block;padding:5px 12px;background:var(--amber-light);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);border-radius:var(--r-full)}
.tag.amber{background:var(--grad-amber);color:var(--white)}
.tag.outline{background:transparent;border:1px solid var(--line)}

/* ---- 9. HEADER / NAV ---- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.75);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(226,232,240,.6);
  transition:all .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.95);
  box-shadow:0 4px 24px rgba(0,0,0,.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:14px;font-family:var(--font-display);font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--ink);transition:all var(--t)}
.brand:hover{opacity:.8}
.brand-logo{height:52px;width:auto;object-fit:contain}
.brand-mark{
  width:48px;height:48px;display:grid;place-items:center;
  background:var(--ink);color:var(--amber-2);
  font-family:var(--font-display);font-size:20px;font-weight:700;
  letter-spacing:-.04em;border-radius:var(--r);
}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text small{font-family:var(--font-mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-top:4px}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-menu a{
  font-size:14px;font-weight:500;color:var(--muted);
  transition:all var(--t);position:relative;
  padding:8px 14px;border-radius:var(--r);
}
.nav-menu a:hover{color:var(--ink);background:rgba(0,0,0,.04)}
.nav-menu a.active{color:var(--amber-2);font-weight:600}
.nav-menu a.active::after{
  content:'';position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;background:var(--grad-amber);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-phone{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-weight:700;font-size:14px;color:var(--ink);
  padding:8px 16px;border-radius:var(--r-full);
  background:var(--amber-light);
  transition:all var(--t);
}
.nav-phone:hover{background:var(--amber-2);color:var(--white)}
.nav-phone svg{color:var(--amber-2)}
.nav-phone:hover svg{color:var(--white)}

.menu-toggle{display:none;width:48px;height:48px;align-items:center;justify-content:center;border-radius:var(--r)}
.menu-toggle svg{width:24px;height:24px}

/* ---- 10. HERO — LIGHT STYLE ---- */
.hero-home{
  position:relative;min-height:100vh;
  background:var(--grad-hero);color:var(--ink);overflow:hidden;
  display:flex;align-items:center;
  padding:120px 0 140px;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
}
.hero-bg img{
  width:100%;height:100%;object-fit:cover;
  opacity:.06;
}
.hero-home::before{
  content:'';position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(ellipse 60% 60% at 80% 30%,rgba(249,115,22,.08),transparent),
    radial-gradient(ellipse 50% 50% at 10% 80%,rgba(37,99,235,.05),transparent);
  pointer-events:none;
}
.hero-home::after{
  content:'';position:absolute;inset:0;z-index:1;
  background-image:
    repeating-linear-gradient(0deg,transparent,transparent 79px,rgba(0,0,0,.02) 80px),
    repeating-linear-gradient(90deg,transparent,transparent 79px,rgba(0,0,0,.02) 80px);
  pointer-events:none;
}
/* Floating orbs — soft pastels */
.hero-orb{
  position:absolute;border-radius:50%;filter:blur(100px);opacity:.4;z-index:1;pointer-events:none;
  animation:float 10s ease-in-out infinite;
}
.hero-orb-1{width:500px;height:500px;background:#FDBA74;top:-15%;right:5%;animation-delay:0s}
.hero-orb-2{width:400px;height:400px;background:#93C5FD;bottom:5%;left:-10%;animation-delay:3s;opacity:.25}
.hero-orb-3{width:300px;height:300px;background:#FDE68A;top:50%;right:-8%;animation-delay:6s;opacity:.3}

@keyframes float{
  0%,100%{transform:translate(0,0) scale(1)}
  33%{transform:translate(30px,-20px) scale(1.05)}
  66%{transform:translate(-20px,15px) scale(.95)}
}

.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-body);font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amber-2);font-weight:700;margin-bottom:32px;
  padding:8px 20px;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-full);
  box-shadow:var(--shadow-sm);
}
.hero-h1{
  font-size:clamp(44px,7vw,84px);line-height:.95;font-weight:800;
  margin-bottom:32px;letter-spacing:-.04em;color:var(--ink);
}
.hero-h1 em{font-style:normal;color:var(--amber-2);font-weight:800}
.hero-sub{font-size:18px;color:var(--muted);margin-bottom:44px;max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:56px}
.hero-stats{display:flex;gap:0;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow)}
.hero-stat{padding:24px 28px;flex:1;text-align:center;position:relative}
.hero-stat:not(:last-child)::after{content:'';position:absolute;right:0;top:20%;bottom:20%;width:1px;background:var(--line)}
.hero-stat-v{font-family:var(--font-display);font-size:40px;font-weight:800;line-height:1;color:var(--amber-2)}
.hero-stat-l{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:8px;font-weight:600}

.hero-visual{
  position:relative;aspect-ratio:3/4;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-xl);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;transition:transform 8s ease}
.hero-visual:hover img{transform:scale(1.05)}
.hero-visual-overlay{
  position:absolute;inset:0;z-index:2;
  background:linear-gradient(180deg,transparent 40%,rgba(17,24,39,.7) 100%);
}
.hero-visual-content{
  position:absolute;bottom:0;left:0;right:0;z-index:3;padding:32px;
}
.hero-visual-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--amber-3);font-weight:700;text-transform:uppercase;margin-bottom:12px;
}
.hero-visual-h{font-family:var(--font-display);font-size:22px;color:var(--white);line-height:1.15;font-weight:700}
.hero-visual-h span{color:rgba(255,255,255,.6);font-size:14px;font-weight:400;display:block;margin-top:6px}

/* page hero (smaller) — Light, richer */
.hero-page{
  background:var(--grad-hero);color:var(--ink);
  padding:140px 0 100px;position:relative;overflow:hidden;
  isolation:isolate;
}
/* blueprint grid — subtle technical texture */
.hero-page::before{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(17,24,39,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(17,24,39,.05) 1px,transparent 1px),
    radial-gradient(ellipse 50% 60% at 75% 35%,rgba(249,115,22,.07),transparent 70%);
  background-size:56px 56px,56px 56px,100% 100%;
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 20% 50%,#000 0%,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 80% at 20% 50%,#000 0%,transparent 75%);
  pointer-events:none;z-index:0;
}
/* right-side hero photo — only active when --hero-img set */
.hero-page[style*="--hero-img"]{
  padding:160px 0 120px;min-height:540px;display:flex;align-items:center;
}
/* Image container: anchored right but with breathing room from viewport edge,
   size contain + right center so full image content is visible (no crop). */
.hero-page[style*="--hero-img"]::after{
  content:'';position:absolute;top:0;right:2.5%;bottom:0;width:48%;
  background:
    linear-gradient(90deg,var(--warm-bg) 0%,rgba(255,251,245,.35) 30%,transparent 62%),
    var(--hero-img) right center/contain no-repeat;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 28%);
  mask-image:linear-gradient(90deg,transparent 0%,#000 28%);
  z-index:0;pointer-events:none;
}
.hero-page>.container{position:relative;z-index:2}
/* Narrower inner — shifts text visually further left, prevents overlap with image */
.hero-page-inner{position:relative;z-index:2;max-width:560px}
/* warm ambient glow behind title */
.hero-page-inner::before{
  content:'';position:absolute;top:-80px;left:-120px;
  width:360px;height:360px;
  background:radial-gradient(circle,rgba(249,115,22,.18),transparent 65%);
  filter:blur(40px);z-index:-1;pointer-events:none;
}
.hero-page h1{font-size:clamp(38px,6vw,72px);color:var(--ink);line-height:1.05;margin-bottom:24px;font-weight:800}
.hero-page h1 em{color:var(--amber-2);font-style:normal}
.hero-page-sub{font-size:18px;color:var(--muted);max-width:560px;line-height:1.8}
/* breadcrumb — pill style with live dot */
.breadcrumb{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-full);
  box-shadow:var(--shadow-sm);
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:28px;font-weight:700;
  width:fit-content;
}
.breadcrumb::before{
  content:'';width:6px;height:6px;border-radius:50%;
  background:var(--amber-2);
  box-shadow:0 0 0 3px rgba(249,115,22,.18);
  margin-right:2px;flex-shrink:0;
}
.breadcrumb a{color:var(--ink-3);transition:var(--t)}
.breadcrumb a:hover{color:var(--amber-2)}
.breadcrumb span{color:var(--line-2)}

@media(max-width:900px){
  .hero-page[style*="--hero-img"]{min-height:auto;padding:120px 0 80px;display:block}
  .hero-page[style*="--hero-img"]::after{
    width:100%;right:0;opacity:.18;
    -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 50%);
    mask-image:linear-gradient(180deg,transparent 0%,#000 50%);
  }
}

/* ---- 11. MARQUEE TRUST BAR — Light ---- */
.trust-bar{
  background:var(--white);border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:18px 0;overflow:hidden;position:relative;
}
.trust-bar::before,.trust-bar::after{
  content:'';position:absolute;top:0;bottom:0;width:120px;z-index:2;pointer-events:none;
}
.trust-bar::before{left:0;background:linear-gradient(90deg,var(--white),transparent)}
.trust-bar::after{right:0;background:linear-gradient(-90deg,var(--white),transparent)}
.marquee{display:flex;gap:56px;animation:marquee 30s linear infinite;width:max-content}
.marquee-item{
  display:flex;align-items:center;gap:12px;white-space:nowrap;
  font-family:var(--font-mono);font-size:13px;font-weight:600;
  color:var(--muted);letter-spacing:.04em;
}
.marquee-item .dot{width:6px;height:6px;background:var(--amber-2);border-radius:50%;flex-shrink:0}

@keyframes marquee{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

/* ---- 12. SERVICE CARDS ---- */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.service-card{
  background:var(--white);padding:40px 32px;
  display:flex;flex-direction:column;
  transition:all var(--t);position:relative;
  min-height:300px;border-radius:var(--r-md);
  border:1px solid var(--line);overflow:hidden;
}
.service-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-amber);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl);border-color:transparent}
.service-card:hover::before{transform:scaleX(1)}
.service-card .icon{
  width:64px;height:64px;display:grid;place-items:center;
  background:var(--amber-light);color:var(--amber-2);
  margin-bottom:28px;border-radius:var(--r-md);
  transition:all var(--t);
}
.service-card:hover .icon{background:var(--grad-amber);color:var(--white);box-shadow:var(--shadow-amber);transform:scale(1.05)}
.service-card h3{font-size:22px;font-weight:700;margin-bottom:14px;letter-spacing:-.02em}
.service-card p{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:20px;flex-grow:1}
.service-card .num{position:absolute;top:28px;right:28px;font-family:var(--font-mono);font-size:12px;color:var(--muted-2);font-weight:700}

/* ---- 13. PRODUCT TILES ---- */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.product-tile{
  position:relative;background:var(--ink);
  aspect-ratio:4/5;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:40px;color:var(--ivory);
  transition:all .5s var(--ease);cursor:pointer;
  border-radius:var(--r-lg);
}
.product-tile::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,14,26,.2) 0%,rgba(8,14,26,.5) 50%,rgba(8,14,26,.9) 100%);
  transition:opacity var(--t);z-index:1;
}
.product-tile:hover::before{background:linear-gradient(180deg,rgba(8,14,26,.1) 0%,rgba(8,14,26,.3) 50%,rgba(8,14,26,.85) 100%)}
.product-tile-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform 1.2s var(--ease)}
.product-tile:hover .product-tile-img{transform:scale(1.08)}
.product-tile-meta{position:relative;z-index:2;font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber-2);font-weight:700;margin-bottom:12px}
.product-tile-name{position:relative;z-index:2;font-family:var(--font-display);font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.1;letter-spacing:-.02em;margin-bottom:14px}
.product-tile-desc{position:relative;z-index:2;font-size:15px;color:rgba(250,248,245,.7);margin-bottom:20px;line-height:1.6;max-width:400px}
.product-tile-link{
  position:relative;z-index:2;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--amber-2);
  padding:10px 20px;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.2);
  border-radius:var(--r);transition:all var(--t);
}
.product-tile:hover .product-tile-link{background:var(--amber-2);color:var(--white);border-color:var(--amber-2)}

/* ---- 14. PROJECTS ---- */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project-card{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:all var(--t);
}
.project-card:hover{border-color:transparent;box-shadow:var(--shadow-xl);transform:translateY(-6px)}
.project-img{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.project-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.project-card:hover .project-img img{transform:scale(1.08)}
.project-body{padding:28px}
.project-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber-2);font-weight:700;margin-bottom:10px}
.project-name{font-family:var(--font-display);font-size:20px;font-weight:700;margin-bottom:10px;line-height:1.2}
.project-meta{font-size:14px;color:var(--muted)}

/* ---- 15. NUMBERS / VALUE PROPS ---- */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.value-item{
  padding:28px 24px 24px;border-radius:var(--r-md);
  background:var(--white);border:1px solid var(--line);
  transition:all var(--t);position:relative;overflow:hidden;
}
.value-item::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-amber);opacity:0;transition:opacity var(--t);
}
.value-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.value-item:hover::before{opacity:1}
.value-num{font-family:var(--font-mono);font-size:12px;color:var(--amber-2);font-weight:700;letter-spacing:.14em;margin-bottom:16px}
.value-h{font-family:var(--font-display);font-size:22px;font-weight:700;margin-bottom:12px;line-height:1.2;letter-spacing:-.02em}
.value-d{font-size:15px;color:var(--muted);line-height:1.7}

/* big number cards / animated counters — Light */
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--white)}
.num-cell{
  padding:48px 32px;text-align:center;position:relative;
  background:var(--white);
  transition:all var(--t);
}
.num-cell:not(:last-child)::after{content:'';position:absolute;right:0;top:15%;bottom:15%;width:1px;background:var(--line)}
.num-cell:hover{background:var(--amber-light)}
.num-v{
  font-family:var(--font-display);font-size:64px;font-weight:800;line-height:.85;
  background:var(--grad-amber);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-bottom:14px;
}
.num-l{font-size:14px;color:var(--muted);line-height:1.5}

/* ---- 16. POSTS / NEWS ---- */
.post-list{display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px}
.post-card{transition:all var(--t)}
.post-card:hover{transform:translateY(-4px)}
.post-card a{display:block;color:inherit}
.post-img{aspect-ratio:16/10;background:var(--paper-2);overflow:hidden;margin-bottom:20px;border-radius:var(--r-md)}
.post-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.post-card:hover .post-img img{transform:scale(1.06)}
.post-meta{display:flex;gap:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-2);font-weight:600;margin-bottom:12px}
.post-title{font-family:var(--font-display);font-size:22px;font-weight:700;line-height:1.25;letter-spacing:-.02em;margin-bottom:12px;transition:color var(--t)}
.post-card:hover .post-title{color:var(--amber-2)}
.post-excerpt{font-size:15px;color:var(--muted);line-height:1.7}

/* ---- 16B. VMC (Vision / Mission / Core Values) BLOCKS ---- */
.vmc-section{max-width:var(--container);margin:0 auto;padding:0 32px;overflow:hidden}
.vmc-block{
  display:grid;grid-template-columns:1fr 1fr;min-height:600px;
}
.vmc-block.reverse{direction:rtl}
.vmc-block.reverse>*{direction:ltr}
.vmc-img{
  position:relative;overflow:hidden;
  min-height:500px;
}
.vmc-img img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform 1.2s var(--ease);
}
.vmc-img:hover img{transform:scale(1.04)}
.vmc-body{
  display:flex;flex-direction:column;justify-content:center;
  padding:72px 64px;
}
.vmc-label{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-body);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  font-weight:700;margin-bottom:24px;
  padding:6px 16px;border-radius:var(--r-full);
  width:fit-content;
}
.vmc-label.orange{color:var(--amber-2);background:var(--amber-light)}
.vmc-label.blue{color:var(--blue);background:var(--blue-light)}
.vmc-label.green{color:var(--mint);background:rgba(34,197,94,.08)}
.vmc-title{
  font-family:var(--font-display);font-size:clamp(30px,4vw,44px);
  font-weight:800;line-height:1.1;letter-spacing:-.03em;
  color:var(--ink);margin-bottom:24px;
}
.vmc-title em{color:var(--amber-2);font-style:normal}
.vmc-desc{
  font-size:17px;line-height:1.85;color:var(--muted);max-width:520px;
}
.vmc-divider{height:1px;background:var(--line);margin:0}

/* alternating bg */
.vmc-block:nth-child(odd) .vmc-body{background:var(--white)}
.vmc-block:nth-child(even) .vmc-body{background:var(--paper)}

@media(max-width:768px){
  .vmc-section{padding:0 20px}
  .vmc-block{grid-template-columns:1fr;min-height:auto}
  .vmc-block.reverse{direction:ltr}
  .vmc-img{min-height:320px}
  .vmc-body{padding:48px 24px}
}

/* ---- 17. PARTNERS ---- */
.partners-grid{
  display:flex;gap:0;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-md);
}
.partner-cell{
  flex:1;min-width:0;padding:28px 20px;display:grid;place-items:center;
  background:var(--white);
  transition:all var(--t);position:relative;
}
.partner-cell:not(:last-child)::after{content:'';position:absolute;right:0;top:15%;bottom:15%;width:1px;background:var(--line)}
.partner-cell:hover{background:var(--amber-light)}
.partner-cell img{max-height:56px;width:auto;filter:grayscale(100%);opacity:.5;transition:all .5s var(--ease)}
.partner-cell:hover img{filter:grayscale(0);opacity:1;transform:scale(1.1)}

/* ---- 18. CTA BAND — Light warm ---- */
.cta-band{
  background:var(--grad-amber-soft);color:var(--ink);padding:120px 0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 50% 60% at 80% 50%,rgba(249,115,22,.08),transparent),
    radial-gradient(ellipse 60% 50% at 10% 80%,rgba(37,99,235,.04),transparent);
  pointer-events:none;
}
.cta-band::after{
  content:'';position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,transparent,transparent 40px,rgba(249,115,22,.03) 41px);
  pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:64px;align-items:center;position:relative;z-index:2}
.cta-h{font-family:var(--font-display);font-size:clamp(34px,4.5vw,52px);font-weight:700;line-height:1.1;letter-spacing:-.03em;color:var(--ink)}
.cta-h em{color:var(--amber-2);font-style:normal;font-weight:700}
.cta-side{display:flex;flex-direction:column;gap:16px;align-items:stretch}

/* ---- 19. FOOTER — Light ---- */
.site-footer{
  background:var(--paper);color:var(--ink);padding:80px 0 28px;
  position:relative;border-top:1px solid var(--line);
}
.site-footer::before{
  content:'';position:absolute;top:-1px;left:0;right:0;height:4px;
  background:var(--grad-amber);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;margin-bottom:64px}
.footer-brand{font-family:var(--font-display);font-size:22px;font-weight:700;margin-bottom:18px;letter-spacing:-.02em;display:flex;align-items:center;gap:14px}
.footer-brand img{height:40px;width:auto}
.footer-tagline{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:24px;max-width:360px}
.footer-h{font-family:var(--font-body);font-size:13px;font-weight:700;margin-bottom:20px;letter-spacing:.12em;color:var(--amber-2);text-transform:uppercase}
.footer-list li{margin-bottom:14px;font-size:15px;color:var(--muted)}
.footer-list a{transition:all var(--t);position:relative;padding-left:0}
.footer-list a:hover{color:var(--amber-2);padding-left:8px}
.footer-contact{font-size:15px;line-height:1.7;color:var(--muted)}
.footer-contact strong{color:var(--ink);font-weight:600}
.footer-contact .row{display:flex;gap:12px;margin-bottom:14px;align-items:flex-start}
.footer-contact svg{flex-shrink:0;color:var(--amber-2);margin-top:3px}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:28px;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:16px;font-size:13px;color:var(--muted-2);
}
.footer-bottom .links{display:flex;gap:24px}
.footer-bottom a{transition:color var(--t)}
.footer-bottom a:hover{color:var(--amber-2)}
.social-links{display:flex;gap:10px}
.social-links a{
  width:42px;height:42px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:var(--r);
  transition:all var(--t);color:var(--muted);
}
.social-links a:hover{background:var(--amber-2);border-color:var(--amber-2);color:var(--white);transform:translateY(-2px)}

/* ---- 20. FLOATING BUTTONS ---- */
.float-btns{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;gap:12px;z-index:40}
.float-btn{
  width:56px;height:56px;display:grid;place-items:center;
  background:var(--grad-amber);color:var(--white);
  box-shadow:var(--shadow-amber);
  transition:all var(--t);position:relative;
  border-radius:50%;
}
.float-btn:hover{transform:scale(1.1) translateY(-2px);box-shadow:0 12px 40px rgba(245,158,11,.4)}
.float-btn.zalo{background:#0068FF;box-shadow:0 8px 32px rgba(0,104,255,.3)}
.float-btn.zalo:hover{box-shadow:0 12px 40px rgba(0,104,255,.5)}
.float-btn::before{
  content:'';position:absolute;inset:-4px;border-radius:inherit;
  animation:pulse-ring 2.5s cubic-bezier(.4,0,.6,1) infinite;
  border:2px solid currentColor;opacity:0;
}
@keyframes pulse-ring{
  0%{transform:scale(.8);opacity:.6}
  80%,100%{transform:scale(1.5);opacity:0}
}

/* ---- 21. SPEC TABLE (product detail) ---- */
.spec-table{width:100%;border-collapse:collapse;font-size:15px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.spec-table th,.spec-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table th{background:var(--paper);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);width:35%}
.spec-table tr:last-child td,.spec-table tr:last-child th{border-bottom:none}
.spec-table td{color:var(--muted)}
.spec-table td strong{color:var(--ink);font-weight:600}

/* ---- 22. FAQ ACCORDION ---- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;padding:28px 0;display:flex;justify-content:space-between;align-items:center;text-align:left;font-family:var(--font-display);font-size:19px;font-weight:600;color:var(--ink);cursor:pointer;gap:24px;transition:color var(--t)}
.faq-q:hover{color:var(--amber-2)}
.faq-q .chev{transition:transform var(--t);flex-shrink:0;color:var(--amber-2)}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease);font-size:16px;color:var(--muted);line-height:1.75}
.faq-item.open .faq-a{max-height:500px;padding-bottom:28px}

/* ---- 23. ARTICLE / PROSE ---- */
.prose{max-width:720px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--ink-2)}
.prose h2{font-size:32px;margin:56px 0 20px;font-weight:700}
.prose h3{font-size:24px;margin:40px 0 14px;font-weight:700;letter-spacing:-.02em}
.prose p{margin-bottom:24px}
.prose ul,.prose ol{margin:20px 0 28px 24px}
.prose ul li,.prose ol li{margin-bottom:10px;line-height:1.8}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose blockquote{border-left:4px solid var(--amber-2);padding:20px 28px;margin:36px 0;background:var(--amber-light);font-style:italic;color:var(--ink-2);border-radius:0 var(--r-md) var(--r-md) 0}
.prose code{background:var(--paper);padding:3px 10px;font-family:var(--font-mono);font-size:15px;color:var(--amber);border-radius:var(--r-sm)}
.prose img{margin:36px 0;border:1px solid var(--line);border-radius:var(--r-md)}
.prose a{color:var(--amber-2);border-bottom:1px solid currentColor}
.prose a:hover{color:var(--orange)}
.prose hr{border:none;border-top:1px solid var(--line);margin:56px 0}

/* ---- 24. PROCESS TIMELINE ---- */
.timeline{position:relative;padding-left:56px}
.timeline::before{content:'';position:absolute;left:16px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--amber-2),var(--line))}
.tl-item{position:relative;padding-bottom:56px}
.tl-item::before{
  content:'';position:absolute;left:-46px;top:6px;width:22px;height:22px;
  background:var(--grad-amber);border:4px solid var(--ivory);border-radius:50%;
  box-shadow:0 0 0 2px var(--amber-2),0 0 20px rgba(245,158,11,.3);
  transition:all var(--t);
}
.tl-item:hover::before{transform:scale(1.2);box-shadow:0 0 0 2px var(--amber-2),0 0 30px rgba(245,158,11,.5)}
.tl-num{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--amber-2);font-weight:700;text-transform:uppercase;margin-bottom:10px}
.tl-h{font-family:var(--font-display);font-size:22px;font-weight:700;margin-bottom:12px;letter-spacing:-.02em}
.tl-d{font-size:15px;color:var(--muted);line-height:1.7;max-width:580px}

/* ---- 25. CALCULATOR ---- */
.calc-wrap{background:var(--white);border:1px solid var(--line);padding:48px;max-width:1040px;margin:0 auto;border-radius:var(--r-lg)}
@media(max-width:700px){.calc-wrap{padding:28px 20px}}
.calc-header{margin-bottom:40px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.calc-step{margin-bottom:28px}
.calc-step-label{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.05em;text-transform:uppercase;margin-bottom:14px}
.calc-step-n{display:inline-grid;place-items:center;width:28px;height:28px;background:var(--grad-amber);color:var(--white);font-family:var(--font-mono);font-size:12px;font-weight:700;border-radius:50%}
.calc-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.calc-opt{
  padding:16px 14px;background:var(--paper);border:1px solid var(--line);
  font-size:14px;font-weight:500;cursor:pointer;text-align:center;
  transition:all var(--t);border-radius:var(--r);
}
.calc-opt:hover{border-color:var(--amber-2);background:var(--amber-light)}
.calc-opt.active{background:var(--ink);color:var(--ivory);border-color:var(--ink);box-shadow:var(--shadow)}
.calc-opt strong{display:block;font-size:16px;margin-bottom:2px}
.calc-opt small{display:block;font-size:11px;opacity:.7;font-weight:400}
.calc-floors-wrap{display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center}
@media(max-width:600px){.calc-floors-wrap{grid-template-columns:1fr}}
.calc-floors-wrap input{padding:16px 20px;background:var(--paper);border:1px solid var(--line);font-family:var(--font-display);font-size:28px;font-weight:500;color:var(--ink);text-align:center;transition:all var(--t);border-radius:var(--r)}
.calc-floors-wrap input:focus{outline:none;border-color:var(--amber-2);background:var(--white);box-shadow:0 0 0 4px rgba(245,158,11,.1)}
.calc-floors-hint{font-size:14px;color:var(--muted);line-height:1.5}
.calc-result-wrap{margin-top:40px;padding:40px;background:var(--ink);color:var(--ivory);text-align:center;border-radius:var(--r-md);position:relative;overflow:hidden}
.calc-result-wrap::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(245,158,11,.12),transparent 60%);pointer-events:none}
.calc-result-label{font-family:var(--font-mono);font-size:12px;color:var(--amber-2);letter-spacing:.18em;font-weight:700;margin-bottom:16px;position:relative}
.calc-result{font-family:var(--font-display);font-size:52px;font-weight:800;line-height:1;letter-spacing:-.02em;margin-bottom:14px;position:relative}
.calc-result span{color:var(--amber-2)}
.calc-result-sub{font-size:14px;color:rgba(255,255,255,.6);max-width:560px;margin:0 auto 28px;line-height:1.6;position:relative}
.calc-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}
.calc-cta .btn-ghost{color:var(--white);border-color:rgba(255,255,255,.25);border-radius:var(--r)}
@media(max-width:600px){.calc-result{font-size:40px}.calc-cta{flex-direction:column}.calc-cta .btn{width:100%}}

/* ---- 26. RFQ MULTI-STEP ---- */
.rfq-steps{display:flex;gap:0;margin-bottom:36px;border-bottom:2px solid var(--line);padding-bottom:0}
.rfq-step-tab{flex:1;padding:20px 14px;text-align:center;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border-bottom:3px solid transparent;cursor:pointer;transition:all var(--t);margin-bottom:-2px}
.rfq-step-tab.active{color:var(--ink);border-bottom-color:var(--amber-2)}
.rfq-step-tab.done{color:var(--mint)}
.rfq-step-tab .step-n{display:inline-block;width:24px;height:24px;line-height:24px;background:var(--paper);border-radius:50%;font-family:var(--font-mono);margin-right:8px;font-size:11px}
.rfq-step-tab.active .step-n{background:var(--grad-amber);color:var(--white)}
.rfq-step-tab.done .step-n{background:var(--mint);color:var(--white)}
.rfq-panel{display:none;animation:fadeSlideUp .4s var(--ease)}
.rfq-panel.active{display:block}
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.rfq-actions{display:flex;justify-content:space-between;margin-top:36px;gap:14px;flex-wrap:wrap}
.rfq-wrap{background:var(--white);border:1px solid var(--line);padding:40px;border-radius:var(--r-lg)}
@media(max-width:700px){.rfq-wrap{padding:24px 20px}.rfq-steps{flex-wrap:wrap}.rfq-step-tab{flex:1 1 45%;padding:14px 8px;font-size:11px}}

/* Forms */
.form-row{margin-bottom:22px}
.form-row label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px}
.form-row input[type=text],.form-row input[type=tel],.form-row input[type=email],.form-row input[type=number],.form-row select,.form-row textarea{
  width:100%;padding:14px 16px;background:var(--paper);border:1px solid var(--line);
  font-family:inherit;font-size:15px;color:var(--ink);transition:all var(--t);
  border-radius:var(--r);
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--amber-2);background:var(--white);box-shadow:0 0 0 4px rgba(245,158,11,.08)}
.form-row textarea{resize:vertical;min-height:80px}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.form-grid-2{grid-template-columns:1fr}}

.radio-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:600px){.radio-grid{grid-template-columns:1fr}}
.radio-card{display:flex;align-items:flex-start;gap:12px;padding:16px 18px;background:var(--paper);border:1px solid var(--line);cursor:pointer;transition:all var(--t);border-radius:var(--r)}
.radio-card:hover{border-color:var(--amber-2)}
.radio-card input{margin-top:4px;accent-color:var(--amber-2)}
.radio-card span{display:flex;flex-direction:column;gap:3px;font-size:15px;color:var(--ink);line-height:1.4}
.radio-card span small{font-size:13px;color:var(--muted);font-weight:400}
.radio-card:has(input:checked){background:var(--white);border-color:var(--amber-2);box-shadow:inset 0 0 0 1px var(--amber-2)}

.radio-row{display:flex;flex-wrap:wrap;gap:8px}
.radio-chip{cursor:pointer}
.radio-chip input{position:absolute;opacity:0;width:0;height:0}
.radio-chip span{display:inline-block;padding:10px 16px;background:var(--paper);border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--ink-2);transition:all var(--t);border-radius:var(--r)}
.radio-chip:hover span{border-color:var(--amber-2)}
.radio-chip:has(input:checked) span{background:var(--ink);color:var(--ivory);border-color:var(--ink)}

.checkbox-row{display:flex;align-items:flex-start;gap:12px;cursor:pointer}
.checkbox-row input{margin-top:3px;accent-color:var(--amber-2);width:18px;height:18px}

/* ---- 27. ANIMATIONS ---- */
.fade-up{opacity:0;transform:translateY(32px);transition:all .9s var(--ease)}
.fade-up.in{opacity:1;transform:none}
.fade-up.d2{transition-delay:.15s}
.fade-up.d3{transition-delay:.3s}
.fade-up.d4{transition-delay:.45s}
.fade-up.d5{transition-delay:.6s}
.fade-up.d6{transition-delay:.75s}

.slide-in-left{opacity:0;transform:translateX(-48px);transition:all .9s var(--ease)}
.slide-in-left.in{opacity:1;transform:none}
.slide-in-right{opacity:0;transform:translateX(48px);transition:all .9s var(--ease)}
.slide-in-right.in{opacity:1;transform:none}

.scale-in{opacity:0;transform:scale(.92);transition:all .9s var(--ease)}
.scale-in.in{opacity:1;transform:none}

.reveal-up{
  clip-path:inset(100% 0 0 0);
  transition:clip-path 1s var(--ease);
}
.reveal-up.in{clip-path:inset(0)}

/* Counter animation handled by JS */

/* ---- 28. SECTION DECORATORS ---- */
.section-divider{
  height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);
  max-width:600px;margin:0 auto;
}

/* ---- 29. RESPONSIVE ---- */
@media(max-width:1024px){
  section{padding:96px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .partners-grid{flex-wrap:wrap}
  .partner-cell{flex:1 1 25%;min-width:120px}
  .num-grid{grid-template-columns:repeat(2,1fr)}
  .num-cell:not(:last-child)::after{display:none}
  .num-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .post-list{grid-template-columns:1fr 1fr}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr 1fr;gap:48px}
}

@media(max-width:768px){
  :root{--header-h:72px}
  section{padding:72px 0}
  .container{padding:0 20px}
  .nav{height:var(--header-h)}
  .nav-menu{
    display:none;position:fixed;top:var(--header-h);left:0;right:0;bottom:0;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    flex-direction:column;align-items:stretch;gap:0;
    padding:20px 0;overflow-y:auto;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:16px 24px;border-bottom:1px solid var(--line);font-size:16px;border-radius:0}
  .nav-cta .nav-phone{display:none}
  .menu-toggle{display:flex}
  .hero-home{padding:100px 0 80px;min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:100%;aspect-ratio:3/4}
  .hero-stats{flex-direction:column}
  .hero-stat:not(:last-child)::after{display:none;right:auto;bottom:0;left:20%;right:20%;top:auto;width:auto;height:1px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .product-grid{grid-template-columns:1fr}
  .project-grid{grid-template-columns:1fr}
  .post-list{grid-template-columns:1fr}
  .service-grid{grid-template-columns:1fr}
  .partners-grid{flex-wrap:wrap}
  .partner-cell{flex:1 1 50%;min-width:100px}
  .values-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .num-grid{grid-template-columns:1fr}
  .num-v{font-size:56px}
  .float-btns{right:16px;bottom:16px}
  .float-btn{width:50px;height:50px}
  .timeline{padding-left:40px}
  .tl-item::before{left:-34px}
  .hero-h1{font-size:clamp(40px,10vw,64px)}
  .brand-logo{height:40px}
}

@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-stats{border-radius:var(--r)}
  .hero-stat{padding:18px 20px}
  .hero-stat-v{font-size:32px}
}

/* ---- 30. ACCESSIBILITY ---- */
:focus-visible{outline:3px solid var(--amber-2);outline-offset:4px;border-radius:var(--r-sm)}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .fade-up,.slide-in-left,.slide-in-right,.scale-in{opacity:1;transform:none;clip-path:none}
  .marquee{animation:none}
}

/* ---- 31. PRINT ---- */
@media print{
  .site-header,.site-footer,.float-btns,.btn,.cta-band,.trust-bar,.scroll-progress{display:none}
  body{background:white;color:black}
  section{padding:24px 0}
}