:root {
  /* Logo E/O/N (fixed colors) */
  --eon-logo-e: #F59A1F;
  --eon-logo-o: #84C242;
  --eon-logo-n: #9B86C9;

  /* Accent palette — html[data-theme] overrides */
  --eon-accent: #43B244;
  --eon-accent-dark: #2E7D32;
  --eon-accent-light: #81C784;
  --eon-accent-bg: #F1F8E9;
  --eon-accent-border: #C8E6C9;
  --eon-accent-soft: #E8F5E9;
  --eon-accent-border-strong: rgba(200, 230, 201, 0.85);
  --eon-accent-ring: rgba(67, 178, 68, 0.2);
  --eon-accent-shade-28: rgba(67, 178, 68, 0.28);
  --eon-accent-glow-35: rgba(67, 178, 68, 0.35);
  --eon-accent-glow-38: rgba(67, 178, 68, 0.38);
  --eon-accent-glow-40: rgba(67, 178, 68, 0.4);
  --eon-accent-glow-42: rgba(67, 178, 68, 0.42);
  --eon-accent-radial: rgba(67, 178, 68, 0.14);

  --green: var(--eon-accent);
  --green-dark: var(--eon-accent-dark);
  --green-light: var(--eon-accent-light);
  --green-bg: var(--eon-accent-bg);

  --orange: #F5A623;
  --purple: #7B68EE;
  --dark: #1B2631;
  --text: #2d3436;
  --gray: #636e72;
  --border: #e0e0e0;
  --white: #fff;
  --shadow: 0 8px 32px rgba(0,0,0,0.10);
  /* Tomone-style card shadows (tint theo accent — override theo theme bên dưới) */
  --eon-shadow-card: 0 10px 30px rgba(67, 178, 68, 0.12);
  --eon-shadow-card-hover: 0 20px 48px rgba(67, 178, 68, 0.22);
  --eon-shadow-soft: 0 8px 30px rgba(15, 23, 42, 0.06);
  --eon-shadow-tight: 0 4px 20px rgba(67, 178, 68, 0.1);
  --eon-shadow-elevated: 0 12px 36px rgba(67, 178, 68, 0.16);
  /* Thang chữ: body 1.0625rem; phụ 0.875rem; trong card/box 1.0625rem; KPI lớn riêng */
  --eon-fs-body: 1.0625rem;
  --eon-fs-sm: 0.875rem;
  --eon-fs-box: 1.0625rem;
  --eon-fs-kpi: clamp(1.45rem, 1.12rem + 0.95vw, 1.85rem);
  /* Hover card: easing mượt, đồng bộ với .spec-box */
  --eon-ease-hover: cubic-bezier(0.22, 1, 0.36, 1);
  --eon-dur-hover: 0.4s;
  --eon-trans-lift: transform var(--eon-dur-hover) var(--eon-ease-hover), box-shadow var(--eon-dur-hover) var(--eon-ease-hover);
  /* Lớp accent trong suốt — theo --eon-accent (đổi theme E/O/N không còn “kẹt” màu xanh cố định) */
  --eon-accent-mix-06: color-mix(in srgb, var(--eon-accent) 6%, transparent);
  --eon-accent-mix-08: color-mix(in srgb, var(--eon-accent) 8%, transparent);
  --eon-accent-mix-12: color-mix(in srgb, var(--eon-accent) 12%, transparent);
  --eon-accent-mix-14: color-mix(in srgb, var(--eon-accent) 14%, transparent);
  --eon-accent-mix-20: color-mix(in srgb, var(--eon-accent) 20%, transparent);
  --eon-accent-mix-45: color-mix(in srgb, var(--eon-accent) 45%, transparent);
}
html[data-theme="eon-e"] {
  --eon-accent: #F59A1F;
  --eon-accent-dark: #D8830E;
  --eon-accent-light: #F5C876;
  --eon-accent-bg: #FFF8ED;
  --eon-accent-border: #EDD59A;
  --eon-accent-soft: #FFF3E0;
  --eon-accent-border-strong: rgba(237, 213, 154, 0.85);
  --eon-accent-ring: rgba(245, 154, 31, 0.2);
  --eon-accent-shade-28: rgba(245, 154, 31, 0.28);
  --eon-accent-glow-35: rgba(245, 154, 31, 0.35);
  --eon-accent-glow-38: rgba(245, 154, 31, 0.38);
  --eon-accent-glow-40: rgba(245, 154, 31, 0.4);
  --eon-accent-glow-42: rgba(245, 154, 31, 0.42);
  --eon-accent-radial: rgba(245, 154, 31, 0.14);
  --eon-shadow-card: 0 10px 30px rgba(245, 154, 31, 0.12);
  --eon-shadow-card-hover: 0 20px 48px rgba(245, 154, 31, 0.22);
  --eon-shadow-tight: 0 4px 20px rgba(245, 154, 31, 0.1);
  --eon-shadow-elevated: 0 12px 36px rgba(245, 154, 31, 0.18);
}
html[data-theme="eon-o"] {
  --eon-accent: #84C242;
  --eon-accent-dark: #5E9428;
  --eon-accent-light: #B5D978;
  --eon-accent-bg: #F4FAE8;
  --eon-accent-border: #C5E1A5;
  --eon-accent-soft: #E8F5D4;
  --eon-accent-border-strong: rgba(197, 225, 165, 0.85);
  --eon-accent-ring: rgba(132, 194, 66, 0.2);
  --eon-accent-shade-28: rgba(132, 194, 66, 0.28);
  --eon-accent-glow-35: rgba(132, 194, 66, 0.35);
  --eon-accent-glow-38: rgba(132, 194, 66, 0.38);
  --eon-accent-glow-40: rgba(132, 194, 66, 0.4);
  --eon-accent-glow-42: rgba(132, 194, 66, 0.42);
  --eon-accent-radial: rgba(132, 194, 66, 0.14);
  --eon-shadow-card: 0 10px 30px rgba(132, 194, 66, 0.12);
  --eon-shadow-card-hover: 0 20px 48px rgba(132, 194, 66, 0.22);
  --eon-shadow-tight: 0 4px 20px rgba(132, 194, 66, 0.1);
  --eon-shadow-elevated: 0 12px 36px rgba(132, 194, 66, 0.18);
}
html[data-theme="eon-n"] {
  --eon-accent: #9B86C9;
  --eon-accent-dark: #735BA3;
  --eon-accent-light: #C9BBE8;
  --eon-accent-bg: #F3EFFC;
  --eon-accent-border: #D1C4E9;
  --eon-accent-soft: #EDE7F6;
  --eon-accent-border-strong: rgba(209, 196, 233, 0.85);
  --eon-accent-ring: rgba(155, 134, 201, 0.2);
  --eon-accent-shade-28: rgba(155, 134, 201, 0.28);
  --eon-accent-glow-35: rgba(155, 134, 201, 0.35);
  --eon-accent-glow-38: rgba(155, 134, 201, 0.38);
  --eon-accent-glow-40: rgba(155, 134, 201, 0.4);
  --eon-accent-glow-42: rgba(155, 134, 201, 0.42);
  --eon-accent-radial: rgba(155, 134, 201, 0.14);
  --eon-shadow-card: 0 10px 30px rgba(155, 134, 201, 0.12);
  --eon-shadow-card-hover: 0 20px 48px rgba(155, 134, 201, 0.22);
  --eon-shadow-tight: 0 4px 20px rgba(155, 134, 201, 0.1);
  --eon-shadow-elevated: 0 12px 36px rgba(155, 134, 201, 0.18);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}
body{
  font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;
  font-size:var(--eon-fs-body);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
}
img,svg,video,canvas{max-width:100%;height:auto;}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0.75rem;
  z-index:10001;
  padding:0.75rem 1.25rem;
  background:var(--green-dark);
  color:#fff;
  font-weight:700;
  text-decoration:none;
  border-radius:8px;
  box-shadow:var(--shadow);
}
.skip-link:focus{
  left:max(0.75rem, env(safe-area-inset-left));
  outline:3px solid var(--green-light);
  outline-offset:2px;
}

/* ── NAVBAR (primary only — scoped so .eon-float-nav is not affected) ── */
nav.site-nav{position:fixed;top:0;left:0;right:0;width:100%;max-width:100vw;background:rgba(255,255,255,0.97);backdrop-filter:blur(12px);box-shadow:0 2px 20px rgba(0,0,0,0.09);z-index:1000;padding-top:env(safe-area-inset-top);}
@media (min-width:968px){
  nav.site-nav{
    transition:transform .35s cubic-bezier(0.4,0,0.2,1),opacity .3s ease,visibility .3s;
  }
  nav.site-nav.site-nav--replaced-by-float{
    transform:translateY(-100%);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
  }
}
.nav-wrap{position:relative;max-width:1280px;margin:0 auto;padding:0 max(5%, env(safe-area-inset-right)) 0 max(5%, env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand-logo-img{display:block;height:clamp(1.35rem,1.05rem+0.65vw,1.65rem);width:auto;max-width:min(148px,46vw);object-fit:contain;}
.brand-logo{font-size:2.125rem;font-weight:900;letter-spacing:-1px;line-height:1;}
.brand-logo .e{color:var(--eon-logo-e);}
.brand-logo .o{color:var(--eon-logo-o);}
.brand-logo .n{color:var(--eon-logo-n);}
.brand-tag{font-size:0.75rem;color:var(--gray);margin-top:-4px;display:block;}
.nav-links{display:flex;list-style:none;gap:28px;align-items:center;}
.nav-links a{text-decoration:none;color:var(--dark);font-weight:500;font-size:1rem;transition:color .25s;position:relative;}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--green);transition:width .3s;}
.nav-links a:hover{color:var(--green);}
.nav-links a:hover::after{width:100%;}
.btn-nav{background:var(--green)!important;color:#fff!important;padding:8px 22px;border-radius:25px;transition:all .3s!important;}
.btn-nav:hover{background:var(--green-dark)!important;box-shadow:0 5px 18px var(--eon-accent-glow-38);transform:translateY(-2px);}
.btn-nav::after{display:none!important;}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;background:none;border:none;padding:0.5rem;min-width:44px;min-height:44px;-webkit-tap-highlight-color:transparent;}
.hamburger span{display:block;width:24px;height:2.5px;background:var(--dark);border-radius:2px;transition:transform .3s, opacity .3s;}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}

/* Chọn ngôn ngữ (CMS: ViewData CurrentUiCulture, LangViUrl, LangEnUrl) */
.nav-lang{
  display:flex;
  align-items:center;
  flex-shrink:0;
  list-style:none;
  margin:0;
}
.eon-lang{
  position:relative;
  display:inline-flex;
  align-items:center;
}
.eon-lang__toggle{
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
  padding:0.45rem 0.95rem 0.45rem 0.65rem;
  min-height:40px;
  border:1px solid #e0e7ff;
  border-radius:50px;
  background:#fff;
  color:var(--dark);
  cursor:pointer;
  font-family:inherit;
  font-size:0.78rem;
  font-weight:800;
  letter-spacing:0.08em;
  line-height:1.2;
  transition:background .2s,border-color .2s,box-shadow .2s;
  -webkit-tap-highlight-color:transparent;
  box-shadow:0 1px 3px rgba(15,23,42,.06);
}
.eon-lang__toggle:hover{
  border-color:#d1daf8;
  background:#fafafa;
}
.eon-lang__toggle:focus-visible{
  outline:2px solid var(--green);
  outline-offset:2px;
}
.eon-lang__flag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  width:22px;
  height:16px;
  border-radius:3px;
  overflow:hidden;
  box-shadow:0 0 0 1px rgba(15,23,42,.1);
}
.eon-lang__flag-img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  object-position:center;
}
.eon-lang__chev{
  flex-shrink:0;
  margin-left:0.1rem;
  color:var(--gray);
  transition:transform .2s ease;
}
.eon-lang.eon-lang--open .eon-lang__chev{
  transform:rotate(180deg);
}
.eon-lang__menu{
  position:absolute;
  top:calc(100% + 6px);
  right:0;
  z-index:1002;
  min-width:max(100%,136px);
  padding:6px 0;
  margin:0;
  list-style:none;
  background:#fff;
  border:1px solid #e8ecf4;
  border-radius:8px;
  box-shadow:0 4px 12px rgba(15,23,42,.1),0 2px 4px rgba(15,23,42,.04);
}
.eon-lang__item{
  display:flex;
  align-items:center;
  gap:0.45rem;
  padding:0.55rem 1rem;
  font-size:0.78rem;
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--dark);
  text-decoration:none;
  transition:background .15s;
}
.eon-lang__item:hover{
  background:#f0f7ff;
}
.eon-lang__item.is-active{
  background:#e8f2ff;
}
.eon-lang__item:focus-visible{
  outline:2px solid var(--green);
  outline-offset:-2px;
}

/* ── HERO ── */
/* Nền: luân phiên 3 ảnh (Unsplash). hero-solar.jpg, hero-solar-2.jpg, hero-wind.jpg — xoay trong eon-site.js */
#hero{
  min-height:100vh;
  min-height:100dvh;
  background-color:#0a1810;
  display:flex;
  align-items:center;
  padding:calc(5.5rem + env(safe-area-inset-top)) max(5%, env(safe-area-inset-right)) 3.75rem max(5%, env(safe-area-inset-left));
  position:relative;
  overflow:hidden;
}
.hero-slides{position:absolute;inset:0;z-index:0;}
.hero-slide{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center 35%;
  background-repeat:no-repeat;
  opacity:0;
  transition:opacity 1.25s ease-in-out;
}
.hero-slide.is-active{opacity:1;}
.hero-gradient{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(135deg, rgba(10,24,16,0.88) 0%, rgba(13,31,20,0.82) 38%, rgba(26,61,31,0.78) 65%, rgba(46,125,50,0.72) 100%);
  pointer-events:none;
}
#hero::before{content:'';position:absolute;top:-20%;right:-10%;width:700px;height:700px;background:radial-gradient(circle,var(--eon-accent-radial) 0%,transparent 70%);border-radius:50%;pointer-events:none;z-index:2;}
#hero::after{content:'';position:absolute;bottom:-25%;left:-8%;width:500px;height:500px;background:radial-gradient(circle,rgba(245,166,35,.08) 0%,transparent 70%);border-radius:50%;pointer-events:none;z-index:2;}
.hero-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;align-items:center;position:relative;z-index:3;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.badge{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:#fff;padding:6px 16px;border-radius:20px;font-size:0.875rem;backdrop-filter:blur(5px);display:inline-flex;align-items:center;}
.badge .eon-icon--sm{color:var(--green-light);}
.btn-primary .eon-icon--sm,.btn-outline .eon-icon--sm{color:#fff;}
.hero-text h1{font-size:clamp(2rem, 1.35rem + 4.2vw, 3.5rem);font-weight:900;color:#fff;line-height:1.15;margin-bottom:1.25rem;text-shadow:0 2px 24px rgba(0,0,0,.35);}
.hero-line-eon{color:#fff;}
.hero-line-eon .eon-mark{font-weight:900;}
.hero-line-eon .eon-mark .e{color:var(--eon-logo-e);}
.hero-line-eon .eon-mark .o{color:var(--eon-logo-o);}
.hero-line-eon .eon-mark .n{color:var(--eon-logo-n);}
.hero-stat-strong{color:var(--green-light);}
.hero-text p{font-size:clamp(1.08rem, 0.95rem + 0.6vw, 1.25rem);color:rgba(255,255,255,0.82);margin-bottom:2rem;max-width:36rem;line-height:1.7;}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.btn-primary{background:var(--green);color:#fff;padding:14px 34px;border-radius:30px;text-decoration:none;font-weight:700;font-size:1.0625rem;transition:all .3s;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;white-space:nowrap;}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-3px);box-shadow:0 10px 28px var(--eon-accent-glow-42);}
.btn-outline{background:transparent;color:#fff;padding:14px 34px;border-radius:30px;text-decoration:none;font-weight:700;font-size:1.0625rem;border:2px solid rgba(255,255,255,.45);transition:all .3s;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;}
.btn-outline:hover{background:rgba(255,255,255,0.1);border-color:#fff;}
.btn-outline .eon-icon--sm{color:#fff;flex-shrink:0;}
.hero-btns .btn-primary,.hero-btns .btn-outline{
  min-height:48px;
  padding:12px 22px;
  font-size:1rem;
  border-radius:999px;
  line-height:1.2;
}
.hero-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.hcard{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);border-radius:16px;padding:24px 20px;text-align:center;backdrop-filter:blur(8px);transition:transform .3s;}
.hcard:hover{transform:translateY(-6px);}
.hcard .num{font-size:clamp(2rem, 1.5rem + 1.5vw, 2.65rem);font-weight:900;color:var(--green-light);}
.hcard .lbl{color:rgba(255,255,255,.78);font-size:0.875rem;margin-top:4px;line-height:1.45;}

/* ── SHARED ── */
section{padding:clamp(3.25rem, 5vw + 1.5rem, 5.25rem) max(5%, env(safe-area-inset-right)) clamp(3.25rem, 5vw + 1.5rem, 5.25rem) max(5%, env(safe-area-inset-left));}
.section-wrap{max-width:1280px;margin:0 auto;}
.sec-head{text-align:center;margin-bottom:56px;}
.sec-tag{display:inline-block;background:var(--green-bg);color:var(--green-dark);padding:6px 18px;border-radius:20px;font-size:0.875rem;font-weight:700;margin-bottom:14px;border:none;box-shadow:var(--eon-shadow-soft);}
.sec-head h2{font-size:clamp(1.65rem, 1.1rem + 2.5vw, 2.45rem);font-weight:900;color:var(--dark);margin-bottom:14px;line-height:1.2;}
.sec-head p{color:var(--gray);font-size:1.0625rem;max-width:36rem;margin:0 auto;line-height:1.65;}

/* ── ICONS (SVG sprite — stroke line-art xanh chuyên nghiệp) ── */
.eon-icon{display:block;color:var(--green);stroke:currentColor;fill:none;}
.eon-icon use{stroke:currentColor;}
.eon-icon--xs{width:1.125rem;height:1.125rem;}
.eon-icon--sm{width:1.35rem;height:1.35rem;}
.eon-icon--md{width:1.75rem;height:1.75rem;}
.eon-icon--card{width:3rem;height:3rem;}
.eon-icon--product{width:4.75rem;height:4.75rem;}
.eon-icon--quality{width:2.75rem;height:2.75rem;}
.badge .eon-icon--sm{margin-right:0.35rem;flex-shrink:0;}
.btn-primary .eon-icon--sm,.btn-outline .eon-icon--sm{margin-right:0.35rem;}
.prod-sub{display:flex;align-items:center;gap:0.45rem;}
.prod-sub .eon-icon--sm{flex-shrink:0;}
.pt-head{display:flex;align-items:center;justify-content:center;gap:0.5rem;}
.pt-head .eon-icon--sm{flex-shrink:0;}
.ph-time{display:inline-flex;align-items:center;gap:0.35rem;}
.ph-time .eon-icon--xs{flex-shrink:0;opacity:0.9;}
.c-info-box h4{display:flex;align-items:center;gap:0.4rem;}
.c-info-box h4 .eon-icon--sm{flex-shrink:0;}
.eon-icon--feat{width:1.35rem;height:1.35rem;flex-shrink:0;color:var(--green-dark);}

/* ── OVERVIEW ── */
#overview{background:#fff;}
.win-model-title{color:var(--dark);}
.win-triple .e{color:var(--eon-logo-e);}
.win-triple .o{color:var(--eon-logo-o);}
.win-triple .n{color:var(--eon-logo-n);}
.win-sep{color:var(--dark);font-weight:900;}
.win-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.wcard{
  position:relative;
  overflow:hidden;
  background:#fff;
  border:none;
  border-radius:20px;padding:34px 28px;
  box-shadow:var(--eon-shadow-card);
  transition:var(--eon-trans-lift);
}
.wcard::before{
  content:'';
  position:absolute;left:0;right:0;top:0;height:4px;
  background:var(--green);
  border-radius:20px 20px 0 0;
}
.wcard:hover{transform:translateY(-4px);box-shadow:var(--eon-shadow-card-hover);}
.wcard .ico{width:auto;height:auto;margin:0 auto 1.25rem;background:transparent;border-radius:0;display:flex;align-items:center;justify-content:center;}
.wcard h3{font-size:1.2rem;font-weight:800;color:var(--dark);margin-bottom:12px;}
.wcard p{color:var(--gray);font-size:var(--eon-fs-box);line-height:1.7;}

/* ── PRODUCTS ── */
#products{background:#fff;}
.prod-card{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start;margin-bottom:70px;
  padding:clamp(28px,4vw,44px);
  border-radius:24px;
  background:#fff;
  border:none;
  box-shadow:var(--eon-shadow-card);
}
.prod-card.rev{direction:rtl;}
.prod-card.rev>*{direction:ltr;}
.prod-info{
  display:flex;flex-direction:column;justify-content:center;min-width:0;
  border-radius:20px;
  transition:var(--eon-trans-lift);
}
.prod-info:hover{
  transform:translateY(-4px);
  box-shadow:var(--eon-shadow-card-hover);
}
.prod-visual{
  background:#fff;
  border:none;
  border-radius:20px;padding:0;display:flex;flex-direction:column;min-height:0;overflow:hidden;
  align-self:start;width:100%;max-width:min(100%,540px);
  box-shadow:var(--eon-shadow-card);
  transition:box-shadow var(--eon-dur-hover) var(--eon-ease-hover);
}
.prod-visual:hover{box-shadow:var(--eon-shadow-card-hover);}
.prod-photo-wrap{
  margin:0;flex:0 0 auto;display:flex;align-items:center;justify-content:center;position:relative;
  aspect-ratio:16/11;min-height:min(200px,28vw);max-height:min(300px,42vw);
  padding:clamp(10px,2vw,18px);overflow:hidden;
  background:linear-gradient(180deg,#fafdfb 0%,#fff 55%);
  transition:background var(--eon-dur-hover) var(--eon-ease-hover);
}
.prod-visual:hover .prod-photo-wrap{background:linear-gradient(180deg,color-mix(in srgb,var(--eon-accent-soft) 55%,#fff) 0%,#fff 60%);}
.prod-photo{
  width:auto;max-width:100%;max-height:100%;height:auto;object-fit:contain;object-position:center;display:block;
  filter:drop-shadow(0 6px 18px rgba(15,23,42,0.08));
  transition:transform var(--eon-dur-hover) var(--eon-ease-hover),filter var(--eon-dur-hover) var(--eon-ease-hover);
}
.prod-visual:hover .prod-photo{
  transform:scale(1.035);
  filter:drop-shadow(0 10px 26px var(--eon-accent-mix-14));
}
.prod-visual-meta{
  padding:1.35rem 1.5rem 1.4rem;text-align:center;flex-shrink:0;
  background:var(--eon-accent-soft);
  border-top:none;
  box-shadow:inset 0 1px 0 rgba(15,23,42,0.05);
  transition:background var(--eon-dur-hover) var(--eon-ease-hover),box-shadow var(--eon-dur-hover) var(--eon-ease-hover);
}
.prod-visual:hover .prod-visual-meta{
  background:var(--eon-accent-soft);
  box-shadow:inset 0 1px 0 var(--eon-accent-mix-12);
}
.prod-visual .model-name{font-size:clamp(0.95rem,0.88rem + 0.35vw,1.05rem);font-weight:800;color:var(--green-dark);}
.prod-visual-tag{font-size:0.78rem;color:var(--green-dark);margin-top:0.35rem;line-height:1.35;opacity:0.92;}
.prod-sub{
  display:inline-flex;align-items:center;gap:0.45rem;
  color:var(--green-dark);font-weight:700;font-size:0.9375rem;margin-bottom:10px;
  padding:0.35rem 0.75rem 0.35rem 0.5rem;border-radius:999px;
  background:var(--eon-accent-soft);
  border:none;
  width:fit-content;max-width:100%;
  box-shadow:var(--eon-shadow-soft);
}
.prod-info h3{font-size:clamp(1.35rem, 1rem + 1vw, 1.65rem);font-weight:900;color:var(--dark);margin-bottom:12px;}
.prod-info p{color:var(--gray);font-size:var(--eon-fs-body);line-height:1.8;margin-bottom:22px;}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.spec-box{
  border-radius:12px;
  padding:12px 14px;
  background:#fff;
  border:none;
  box-shadow:var(--eon-shadow-soft);
  transition:var(--eon-trans-lift);
}
.spec-box:hover{
  transform:translateY(-4px);
  box-shadow:var(--eon-shadow-card-hover);
}
.spec-box .sl{font-size:var(--eon-fs-sm);color:var(--gray);margin-bottom:4px;letter-spacing:0.01em;line-height:1.35;}
.spec-box .sv{font-size:var(--eon-fs-box);font-weight:800;color:var(--dark);line-height:1.35;}

.cspec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,2.5vw,26px);margin-top:20px;align-items:stretch;}
.cspec-card{
  background:#fff;
  border-radius:18px;padding:0;
  border:none;
  position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,0.95fr) minmax(0,1.1fr);align-items:stretch;min-width:0;min-height:0;
  box-shadow:var(--eon-shadow-card);
}
.cspec-media{
  position:relative;margin:0;
  background:#fafbfc;
  border-right:none;
  min-height:240px;height:100%;align-self:stretch;display:flex;align-items:center;justify-content:center;
  padding:clamp(8px,1.5vw,14px);
  transition:background var(--eon-dur-hover) var(--eon-ease-hover);
}
.cspec-media:hover{background:color-mix(in srgb,var(--eon-accent-soft) 18%,#fafbfc);}
.cspec-media img{
  position:relative;inset:auto;width:100%;height:100%;max-height:280px;object-fit:contain;object-position:center;display:block;
  transition:transform var(--eon-dur-hover) var(--eon-ease-hover);
}
.cspec-media:hover img{transform:scale(1.03);}
.cspec-body{
  padding:clamp(18px,2.2vw,26px);display:flex;flex-direction:column;justify-content:flex-start;min-width:0;gap:0;
  transition:background-color var(--eon-dur-hover) var(--eon-ease-hover),box-shadow var(--eon-dur-hover) var(--eon-ease-hover);
}
.cspec-body:hover{
  background:color-mix(in srgb,var(--eon-accent-soft) 28%,#fff);
  box-shadow:inset 1px 0 0 rgba(15,23,42,0.06);
}
.cspec-body h4{font-size:var(--eon-fs-box);font-weight:800;color:var(--dark);margin-bottom:4px;line-height:1.35;}
.cspec-body .cap{color:var(--green);font-weight:700;font-size:var(--eon-fs-sm);margin-bottom:10px;}
.cspec-body .slist{font-size:var(--eon-fs-sm);}
.slist{list-style:none;flex:1;margin:0;}
.slist li{padding:6px 0;border-bottom:1px solid #f0f0f0;font-size:var(--eon-fs-sm);color:var(--gray);display:flex;justify-content:space-between;gap:0.5rem;align-items:baseline;}
.slist li:last-child{border:none;}
.slist li strong{color:var(--dark);text-align:right;flex-shrink:0;}

.quality-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:50px;}
.qcard{
  background:#fff;
  border-radius:16px;padding:26px 20px;text-align:center;
  border:none;
  box-shadow:var(--eon-shadow-card);
  transition:var(--eon-trans-lift);
}
.qcard:hover{transform:translateY(-4px);box-shadow:var(--eon-shadow-card-hover);}
.qcard .qi{margin-bottom:12px;display:flex;justify-content:center;}
.qcard .qi .eon-icon--quality{color:var(--green-dark);}
.qcard h4{font-size:var(--eon-fs-box);font-weight:800;color:var(--dark);margin-bottom:6px;}
.qcard p{font-size:var(--eon-fs-box);color:var(--gray);line-height:1.6;}

/* ── MECHANISM ── */
/* Ảnh nền: tấm pin mặt trời (Unsplash) + lớp phủ xanh đậm để chữ đọc rõ */
#mechanism{
  color:#fff;
  background-color:#0d1f14;
  background-image:
    linear-gradient(135deg,rgba(13,31,20,0.93) 0%,rgba(26,61,31,0.88) 45%,rgba(46,125,50,0.82) 100%),
    url("https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=1920&q=80");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
#mechanism .sec-tag{background:rgba(255,255,255,0.1);color:var(--green-light);box-shadow:0 4px 20px rgba(0,0,0,0.15);}
#mechanism .sec-head h2{color:#fff;}
#mechanism .sec-head p{color:rgba(255,255,255,.7);}
#mechanism .ph-time .eon-icon--xs{color:var(--green-light);}
#mechanism .pt-head .eon-icon--sm{color:var(--green-light);}
.phases{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:36px;}
.phase{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.15);
  border-radius:18px;
  padding:28px 18px;
  text-align:center;
  transition:transform var(--eon-dur-hover) var(--eon-ease-hover),background var(--eon-dur-hover) var(--eon-ease-hover),box-shadow var(--eon-dur-hover) var(--eon-ease-hover);
}
.phase:hover{
  background:rgba(255,255,255,0.14);
  transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(0,0,0,0.2);
}
.ph-num{width:46px;height:46px;background:var(--green);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:900;color:#fff;margin:0 auto 12px;}
.ph-time{color:var(--green-light);font-size:0.78rem;font-weight:700;margin-bottom:8px;}
.phase h4{font-size:0.95rem;font-weight:800;color:#fff;margin-bottom:8px;}
.phase p{color:rgba(255,255,255,.7);font-size:var(--eon-fs-box);line-height:1.6;}
.savings-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:28px 36px;margin-bottom:44px;}
.sav-item{text-align:center;}
.sav-item .big{font-size:2.4rem;font-weight:900;color:var(--green-light);}
.sav-item .desc{color:rgba(255,255,255,.78);font-size:var(--eon-fs-sm);margin-top:5px;line-height:1.45;}
.price-tables{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.ptable{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:14px;overflow:hidden;}
.pt-head{background:var(--eon-accent-shade-28);padding:14px 20px;font-weight:800;color:var(--green-light);font-size:0.9375rem;}
.pt-row{display:flex;justify-content:space-between;padding:11px 20px;border-bottom:1px solid rgba(255,255,255,.08);}
.pt-row:last-child{border:none;}
.pt-row .tl{color:rgba(255,255,255,.82);font-size:0.9rem;}
.pt-row .pv{font-weight:800;color:#fff;font-size:0.9rem;}
.pt-row.peak .pv{color:var(--orange);}
.pt-row.off .pv{color:var(--green-light);}

/* ── TECHNOLOGY ── */
#technology{background:#fff;}
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:stretch;}
.tcard{
  background:#fff;
  border-radius:20px;padding:clamp(26px,3vw,34px);
  display:flex;flex-direction:column;height:100%;min-height:0;
  border:none;
  box-shadow:var(--eon-shadow-card);
  transition:var(--eon-trans-lift);
}
.tcard:hover{transform:translateY(-4px);box-shadow:var(--eon-shadow-card-hover);}
.tcard-head{display:flex;flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:18px;}
.tcard .tico{width:56px;height:56px;background:var(--green-bg);border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:0;border:none;box-shadow:var(--eon-shadow-soft);flex-shrink:0;}
.tcard .tico .eon-icon--md{color:var(--green-dark);}
.tcard-head h3{font-size:clamp(1.05rem,0.95rem+0.45vw,1.3rem);font-weight:800;color:var(--dark);margin:0;line-height:1.3;width:100%;}
.feat-list{list-style:none;flex:1;display:flex;flex-direction:column;}
.feat-list li{padding:10px 0;border-bottom:1px solid var(--border);color:var(--gray);font-size:var(--eon-fs-box);display:flex;align-items:flex-start;gap:12px;}
.feat-list li:last-child{border:none;padding-bottom:0;}
.feat-ico{flex-shrink:0;margin-top:2px;display:flex;align-items:center;justify-content:center;}
.feat-txt{flex:1;min-width:0;font-size:var(--eon-fs-box);line-height:1.55;display:flex;flex-direction:column;gap:4px;}
.feat-line-title{font-weight:800;color:var(--dark);font-size:var(--eon-fs-box);line-height:1.35;}
.feat-line-desc{font-size:var(--eon-fs-sm);color:var(--gray);line-height:1.6;}
.psn{width:32px;height:32px;background:var(--green);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;font-size:0.85rem;flex-shrink:0;}

/* ── ECONOMICS ── */
/* Gradient + glass giống #mechanism. Ảnh nền: biến --eon-section-bg-image đặt trên <section> trong HTML (CMS / ViewData) */
#economics{
  color:#fff;
  background-color:#0d1f14;
  background-image:
    linear-gradient(135deg,rgba(13,31,20,0.93) 0%,rgba(26,61,31,0.88) 45%,rgba(46,125,50,0.82) 100%),
    var(--eon-section-bg-image, none);
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
#economics .sec-tag{background:rgba(255,255,255,0.1);color:var(--green-light);box-shadow:0 4px 20px rgba(0,0,0,0.15);}
#economics .sec-head h2{color:#fff;}
#economics .sec-head p{color:rgba(255,255,255,.7);}
#economics .irr-calc-btn-help{color:rgba(255,255,255,.68);}
/* KPI / khối bảng: glass cùng thông số .phase, .savings-bar, .ptable */
#economics .aitem{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.15);
  box-shadow:none;
  transition:transform var(--eon-dur-hover) var(--eon-ease-hover),background var(--eon-dur-hover) var(--eon-ease-hover),box-shadow var(--eon-dur-hover) var(--eon-ease-hover);
}
#economics .aitem::before{
  background:rgba(255,255,255,0.25);
  height:2px;
  opacity:1;
}
#economics .aitem:hover{
  background:rgba(255,255,255,0.14);
  transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(0,0,0,0.2);
}
#economics .aitem-ico{
  background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.12);
  box-shadow:none;
}
#economics .aitem-ico .eon-icon--md{color:var(--green-light);}
#economics .aitem .av{color:var(--green-light);}
#economics .aitem .al{color:rgba(255,255,255,.78);}
#economics .irr-wrap{
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,.15);
  border-radius:18px;
  padding:clamp(16px,2.5vw,24px);
}
#economics .irr-table{
  background:transparent;
  border:none;
  box-shadow:none;
}
#economics .irr-table thead tr{background:var(--eon-accent-shade-28);}
#economics .irr-table tbody tr{border-bottom:1px solid rgba(255,255,255,.08);}
#economics .irr-table tbody tr:hover{background:rgba(255,255,255,0.1);}
#economics .irr-table td{color:rgba(255,255,255,.88);}
#economics .irr-table td.irr-scenario-cell{color:rgba(255,255,255,.9);}
#economics .irr-table td.irr-scenario-cell .eon-icon--sm{color:var(--green-light);}
#economics .irr-table td:not(:first-child){color:#fff;}
#economics .irr-hi{color:var(--green-light);background:var(--eon-accent-mix-20);}
#economics .irr-md{color:var(--green-light);}
#economics .pb-note{
  margin-top:clamp(14px,2vw,20px);
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.15);
  box-shadow:none;
  color:rgba(255,255,255,.82);
}
#economics .pb-note strong{color:var(--green-light);}
#economics .pb-note__ico .eon-icon--sm{color:var(--green-light);}
.assume-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:700px;margin:0 auto 32px;}
.aitem{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  background:#fff;
  border-radius:16px;
  padding:20px 16px 22px;
  border:none;
  box-shadow:var(--eon-shadow-card);
  transition:var(--eon-trans-lift);
  position:relative;
  overflow:hidden;
}
.aitem::before{
  content:'';
  position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--green);
  opacity:0.85;
  border-radius:16px 16px 0 0;
}
.aitem:hover{transform:translateY(-4px);box-shadow:var(--eon-shadow-card-hover);}
.aitem-ico{
  width:48px;height:48px;
  border-radius:14px;
  background:var(--green-bg);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:12px;
  box-shadow:var(--eon-shadow-soft);
  flex-shrink:0;
}
.aitem-ico .eon-icon--md{color:var(--green-dark);}
.aitem .av{font-size:var(--eon-fs-kpi);font-weight:900;color:var(--green-dark);line-height:1.2;}
.aitem .al{font-size:var(--eon-fs-sm);color:var(--gray);margin-top:8px;line-height:1.45;max-width:16rem;margin-left:auto;margin-right:auto;}
.irr-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  margin:0 -0.25rem;
  padding:0 0.25rem;
}
.irr-table{
  width:100%;
  min-width:36rem;
  border-collapse:collapse;
  background:#fff;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--eon-shadow-card);
  border:none;
}
.irr-table thead tr{background:var(--green-dark);}
.irr-table th{padding:15px 20px;color:#fff;font-weight:700;font-size:0.9375rem;text-align:left;}
.irr-table th:not(:first-child){text-align:center;}
.irr-table tbody tr{border-bottom:1px solid var(--border);transition:background .2s;}
.irr-table tbody tr:hover{background:var(--eon-accent-soft);}
.irr-table td{padding:14px 20px;font-size:0.9375rem;}
.irr-table td:not(:first-child){text-align:center;font-weight:800;}
.irr-table td.irr-scenario-cell{display:flex;align-items:center;gap:0.4rem;font-weight:600;}
.irr-table td.irr-scenario-cell .eon-icon--sm{flex-shrink:0;color:var(--green-dark);}
.irr-hi{color:var(--green-dark);background:var(--eon-accent-soft);}
.irr-md{color:var(--green-dark);}
.pb-note{
  display:flex;
  align-items:flex-start;
  gap:0.65rem;
  text-align:left;
  margin-top:18px;
  padding:14px 18px;
  background:#fff;
  border-radius:12px;
  color:var(--gray);
  font-size:var(--eon-fs-box);
  border:none;
  box-shadow:var(--eon-shadow-soft);
  line-height:1.55;
}
.pb-note__ico{
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  width:1.75rem;
  height:1.75rem;
  margin-top:0.12em;
}
.pb-note__ico .eon-icon--sm{color:var(--green-dark);}
.pb-note__txt{flex:1;min-width:0;}
.pb-note strong{color:var(--green-dark);}
.sec-head-actions{margin-top:1.25rem;}
.btn-eon-calc{display:inline-flex;align-items:center;justify-content:center;gap:0.45rem;background:var(--green);color:#fff;padding:12px 26px;border-radius:30px;font-weight:700;font-size:1rem;border:none;cursor:pointer;transition:background .25s,transform .2s,box-shadow .25s;box-shadow:0 4px 16px var(--eon-accent-glow-35);}
.btn-eon-calc:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 8px 22px var(--eon-accent-glow-42);}
.btn-eon-calc:focus-visible{outline:3px solid var(--green-light);outline-offset:2px;}
.btn-eon-calc .eon-icon--sm{color:#fff;}
.btn-eon-calc--calc-cta{
  gap:0.75rem;
  padding:14px clamp(22px,3vw,36px);
  min-width:min(100%,520px);
  border:none;
  background:var(--green);
  box-shadow:var(--eon-shadow-elevated);
  text-align:left;
}
.btn-eon-calc--calc-cta:hover{
  background:var(--green-dark);
  box-shadow:var(--eon-shadow-card-hover);
}
.btn-eon-calc__ico{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:2.35rem;height:2.35rem;border-radius:50%;background:rgba(255,255,255,0.22);position:relative;z-index:1;}
.btn-eon-calc__ico .eon-icon--sm{color:#fff;}
.btn-eon-calc__label{display:flex;align-items:center;min-width:0;position:relative;z-index:1;}
.btn-eon-calc__text{font-size:clamp(0.9rem,0.82rem+0.35vw,1.05rem);font-weight:800;letter-spacing:0.01em;line-height:1.35;white-space:nowrap;}
.irr-calc-btn-help{margin:0.6rem 0 0;font-size:0.875rem;color:var(--gray);max-width:36rem;line-height:1.5;}
@media (max-width:640px){
  .btn-eon-calc--calc-cta{min-width:0;width:100%;padding:12px 16px;}
  .btn-eon-calc__text{white-space:normal;text-align:left;}
}
.btn-eon-calc-secondary{display:inline-flex;align-items:center;justify-content:center;gap:0.35rem;background:var(--green-bg);color:var(--green-dark);padding:10px 18px;border-radius:12px;font-weight:700;font-size:0.875rem;border:none;box-shadow:var(--eon-shadow-soft);cursor:pointer;transition:background .2s,box-shadow .2s;}
.btn-eon-calc-secondary:hover{background:var(--eon-accent-soft);box-shadow:var(--eon-shadow-tight);}
.btn-eon-calc-secondary--sm{padding:8px 14px;font-size:0.8125rem;}
.btn-eon-calc-ghost{background:transparent;color:var(--gray);border:none;padding:10px 18px;font-weight:600;font-size:0.9375rem;cursor:pointer;border-radius:12px;transition:background .2s,color .2s;}
.btn-eon-calc-ghost:hover{background:#f0f0f0;color:var(--dark);}

.eon-modal{position:fixed;inset:0;z-index:10050;display:flex;align-items:flex-start;justify-content:center;padding:max(1rem, env(safe-area-inset-top)) 1rem 1rem;overflow-y:auto;-webkit-overflow-scrolling:touch;}
.eon-modal[hidden]{display:none!important;}
.eon-modal__backdrop{position:fixed;inset:0;background:rgba(27,38,49,0.52);backdrop-filter:blur(4px);}
.eon-modal__panel{position:relative;width:100%;max-width:640px;margin:3vh auto;max-height:min(92vh, 900px);display:flex;flex-direction:column;background:#fff;border-radius:20px;box-shadow:0 20px 56px rgba(0,0,0,0.18);border:1px solid var(--border);z-index:1;}
.eon-modal__panel--wide{max-width:min(96vw, 980px);}
.eon-modal__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:clamp(18px,3vw,24px) clamp(18px,3vw,24px) 0;border-bottom:1px solid var(--border);padding-bottom:16px;}
.eon-modal__head-text{min-width:0;}
.eon-modal__head h3{font-size:clamp(1.05rem,0.95rem+0.5vw,1.25rem);font-weight:900;color:var(--dark);line-height:1.3;margin:0;}
.eon-modal__sub{font-size:0.875rem;color:var(--gray);margin-top:8px;line-height:1.55;}
.eon-modal__close{width:40px;height:40px;border:none;border-radius:50%;background:var(--green-bg);color:var(--green-dark);font-size:1.5rem;line-height:1;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:background .2s;}
.eon-modal__close:hover{background:var(--eon-accent-border);}
.eon-modal__body{padding:clamp(16px,2.5vw,22px) clamp(18px,3vw,24px);overflow-y:auto;flex:1;min-height:0;}
.eon-modal__foot{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:12px;padding:16px clamp(18px,3vw,24px);border-top:1px solid var(--border);background:#fafbfa;border-radius:0 0 20px 20px;}

.eon-calc-h4{font-size:0.9375rem;font-weight:800;color:var(--dark);margin:0 0 8px;}
.eon-calc-hint{font-size:0.8125rem;color:var(--gray);line-height:1.55;margin:0 0 12px;}
.eon-calc-quick{margin-bottom:22px;padding-bottom:20px;border-bottom:1px solid var(--border);}
.eon-calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
@media (max-width:520px){.eon-calc-grid{grid-template-columns:1fr;}}
.eon-field{display:flex;flex-direction:column;gap:6px;}
.eon-field__label{font-size:0.8125rem;font-weight:700;color:var(--dark);}
.eon-field input[type="text"],.eon-field input[type="number"]{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);font-size:0.9375rem;font-family:inherit;transition:border-color .2s;}
.eon-field input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--eon-accent-ring);}
.eon-field--inline{flex-direction:row;flex-wrap:wrap;align-items:center;gap:12px;}
.eon-field--inline .eon-field__label{flex:1 1 100%;}
.eon-field__row{display:inline-flex;align-items:center;gap:8px;}
.eon-field__suffix{font-size:0.875rem;color:var(--gray);font-weight:600;}
.eon-field__words{font-size:0.78rem;color:var(--gray);line-height:1.45;margin:6px 0 0;font-style:italic;min-height:1.35em;}
.eon-calc-discount{margin-bottom:20px;}
.eon-calc-flows__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.eon-cf-table-wrap{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff;}
.eon-cf-table{width:100%;border-collapse:collapse;font-size:0.875rem;}
.eon-cf-table th{background:var(--green-bg);color:var(--green-dark);padding:10px 12px;text-align:left;font-weight:800;}
.eon-cf-table th:last-child{text-align:center;width:44px;}
.eon-cf-table td{padding:8px 10px;border-top:1px solid #f0f0f0;vertical-align:middle;}
.eon-cf-table .eon-cf-label,.eon-cf-table .eon-cf-val{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:0.8125rem;font-family:inherit;}
.eon-cf-table .eon-cf-val{text-align:right;}
.eon-cf-remove{width:36px;height:36px;border:none;border-radius:8px;background:transparent;color:var(--gray);font-size:1.25rem;line-height:1;cursor:pointer;transition:background .2s,color .2s;}
.eon-cf-remove:hover{background:#ffebee;color:#c62828;}
.eon-calc-alert{margin-top:14px;padding:12px 14px;background:#ffebee;border:1px solid #ffcdd2;border-radius:12px;color:#b71c1c;font-size:0.875rem;}
.eon-calc-results{margin-top:18px;padding-top:18px;border-top:1px solid var(--border);}
.eon-calc-kpis{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px;}
@media (max-width:520px){.eon-calc-kpis{grid-template-columns:1fr;}}
.eon-calc-kpi{
  background:var(--eon-accent-soft);
  border:none;
  border-radius:14px;padding:14px;
  box-shadow:var(--eon-shadow-soft);
}
.eon-calc-kpi__label{display:block;font-size:0.75rem;font-weight:800;color:var(--green-dark);text-transform:uppercase;letter-spacing:0.03em;margin-bottom:6px;}
.eon-calc-kpi__value{display:block;font-size:1.5rem;font-weight:900;color:var(--dark);line-height:1.2;}
.eon-calc-kpi__note{display:block;font-size:0.875rem;color:var(--gray);margin-top:8px;line-height:1.45;}
.eon-calc-extra{font-size:0.875rem;color:var(--dark);line-height:1.6;}
.eon-calc-extra p{margin:6px 0;}
.eon-calc-verdict{margin-top:14px;padding:12px 14px;border-radius:12px;font-size:0.9rem;font-weight:600;line-height:1.55;}
.eon-calc-verdict--ok{background:var(--eon-accent-soft);border:none;box-shadow:var(--eon-shadow-soft);color:var(--green-dark);}
.eon-calc-verdict--no{background:#fff3e0;border:none;box-shadow:var(--eon-shadow-soft);color:#E65100;}

/* ── FAQ ── */
#faq{background:#fff;}
.faq-wrap{
  max-width:820px;
  margin:0 auto;
  counter-reset:eon-faq;
}
.faq-item{
  counter-increment:eon-faq;
  position:relative;
  background:linear-gradient(145deg,#fafdfb 0%,#fff 55%);
  border-radius:16px;
  margin-bottom:14px;
  border:1px solid var(--border);
  overflow:hidden;
  box-shadow:var(--eon-shadow-soft);
  transition:box-shadow var(--eon-dur-hover) var(--eon-ease-hover),background var(--eon-dur-hover) var(--eon-ease-hover),border-color var(--eon-dur-hover) var(--eon-ease-hover);
}
.faq-item:hover{
  border-color:var(--eon-accent-border);
  box-shadow:var(--eon-shadow-card);
}
.faq-item:has(.faq-q.open){
  background:#fff;
  border-color:var(--eon-accent-mix-45);
  box-shadow:var(--eon-shadow-card);
}
.faq-item::before{
  content:counter(eon-faq,decimal-leading-zero);
  position:absolute;
  left:16px;
  top:20px;
  z-index:1;
  width:30px;
  height:30px;
  border-radius:10px;
  background:var(--eon-accent-soft);
  color:var(--green-dark);
  font-size:0.72rem;
  font-weight:800;
  letter-spacing:0.02em;
  display:flex;
  align-items:center;
  justify-content:center;
  line-height:1;
  transition:background var(--eon-dur-hover) var(--eon-ease-hover),color var(--eon-dur-hover) var(--eon-ease-hover),transform var(--eon-dur-hover) var(--eon-ease-hover);
  pointer-events:none;
}
.faq-item:has(.faq-q.open)::before{
  background:var(--green);
  color:#fff;
  transform:scale(1.05);
}
.faq-q{
  width:100%;
  background:none;
  border:none;
  padding:18px 20px 18px 58px;
  text-align:left;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  font-size:1rem;
  font-weight:700;
  color:var(--dark);
  transition:color var(--eon-dur-hover) var(--eon-ease-hover),background var(--eon-dur-hover) var(--eon-ease-hover);
  border-radius:16px 16px 0 0;
}
.faq-q:hover{
  background:var(--eon-accent-mix-06);
}
.faq-q.open{
  color:var(--green-dark);
  background:var(--eon-accent-mix-08);
}
.faq-q:focus-visible{
  outline:3px solid var(--eon-accent-ring);
  outline-offset:-2px;
}
.faq-ico{
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--green-bg);
  border:2px solid var(--green);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.05rem;
  font-weight:900;
  color:var(--green);
  flex-shrink:0;
  transition:transform var(--eon-dur-hover) var(--eon-ease-hover),background var(--eon-dur-hover) var(--eon-ease-hover),color var(--eon-dur-hover) var(--eon-ease-hover),border-color var(--eon-dur-hover) var(--eon-ease-hover);
}
.faq-q.open .faq-ico{
  background:var(--green);
  color:#fff;
  border-color:var(--green-dark);
  transform:rotate(45deg);
}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows 0.5s var(--eon-ease-hover);
}
.faq-a.open{
  grid-template-rows:1fr;
}
.faq-a__inner{
  overflow:hidden;
  min-height:0;
}
.faq-a p{
  margin:0;
  padding:0 22px 20px 58px;
  color:var(--gray);
  font-size:var(--eon-fs-sm);
  line-height:1.75;
  border-top:1px solid var(--border);
  padding-top:16px;
}
.faq-a p strong{color:var(--green-dark);}

/* ── CONTACT ── */
/* Ảnh nền: --eon-section-bg-image trên <section id="contact"> trong HTML */
#contact{
  color:#fff;
  background-color:#0d1f14;
  background-image:
    linear-gradient(135deg,rgba(13,31,20,0.94) 0%,rgba(26,61,31,0.9) 50%,rgba(13,31,20,0.93) 100%),
    var(--eon-section-bg-image, none);
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
#contact .sec-tag{background:rgba(255,255,255,.1);color:var(--green-light);box-shadow:0 4px 20px rgba(0,0,0,0.15);}
#contact .sec-head h2{color:#fff;}
#contact .sec-head p{color:rgba(255,255,255,.7);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;max-width:1100px;margin:0 auto;}
.c-items{display:flex;flex-direction:column;gap:22px;}
.c-item{display:flex;align-items:center;gap:14px;}
.c-ico{width:48px;height:48px;background:rgba(255,255,255,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.c-ico .eon-icon--md{color:var(--green-light);}
.c-item h4{font-size:0.78rem;color:rgba(255,255,255,.55);margin-bottom:2px;}
.c-item p{color:#fff;font-weight:700;font-size:1rem;}
.c-website a{color:var(--green-light);font-weight:800;text-decoration:underline;text-underline-offset:3px;}
.c-website a:hover{color:#fff;}
.c-info-box{margin-top:18px;padding:18px 20px;background:rgba(255,255,255,.1);border-radius:14px;border:none;box-shadow:0 8px 28px rgba(0,0,0,0.2);}
.c-info-box h4{color:rgba(255,255,255,.6);font-size:0.8rem;margin-bottom:8px;}
.c-info-box p{color:#fff;font-size:0.88rem;}
.c-info-box p+p{margin-top:4px;color:rgba(255,255,255,.6);font-size:0.82rem;}
.c-form{display:flex;flex-direction:column;gap:13px;}
.c-form input,.c-form textarea,.c-form select{width:100%;padding:13px 16px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;font-size:1rem;outline:none;transition:border .3s;font-family:inherit;}
.c-form input::placeholder,.c-form textarea::placeholder{color:rgba(255,255,255,.45);}
.c-form input:focus,.c-form textarea:focus{border-color:var(--green-light);}
.c-form textarea{height:110px;resize:none;}
.c-form-title{color:#fff;font-size:1.35rem;font-weight:800;margin-bottom:6px;}

/* ── FOOTER ── */
.site-foot{background:linear-gradient(180deg,#0f1a14 0%,#0a140e 100%);color:rgba(255,255,255,.55);padding:1rem max(5%, env(safe-area-inset-right)) 0.85rem max(5%, env(safe-area-inset-left));border-top:1px solid rgba(129,199,132,.18);font-size:0.8125rem;line-height:1.5;text-align:center;}
.site-foot__inner{max-width:720px;margin:0 auto;}
.foot-logo{font-size:clamp(1.85rem,4.5vw,2.35rem);font-weight:900;letter-spacing:0.03em;line-height:1.1;margin:0 0 0.35rem;font-family:inherit;}
.foot-logo .e{color:var(--eon-logo-e);}
.foot-logo .o{color:var(--eon-logo-o);}
.foot-logo .n{color:var(--eon-logo-n);}
.site-foot__tag{margin:0 0 6px;color:rgba(255,255,255,.4);font-size:0.78rem;}
.site-foot__legal{margin:0;color:rgba(255,255,255,.42);font-size:0.75rem;}
.site-foot__contact{margin:8px 0 0;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:0.35rem 0.2rem;font-size:0.8125rem;}
.site-foot__contact-item{display:inline-flex;align-items:center;gap:0.35rem;}
.site-foot__icon{color:var(--green);flex-shrink:0;}
.site-foot__contact a{color:var(--green-light);font-weight:600;text-decoration:none;}
.site-foot__contact a:hover{text-decoration:underline;}
.site-foot__sep{color:rgba(255,255,255,.28);user-select:none;margin:0 0.1rem;}

/* ── FLOAT NAV (desktop, kieu Tomone: chi o pill, khong full-width) ── */
.eon-float-nav{
  display:none;
}
@media (min-width:968px){
  .eon-float-nav{
    display:block;
    position:fixed;
    left:0;
    right:0;
    bottom:max(60px, env(safe-area-inset-bottom));
    top:auto;
    height:auto;
    min-height:0;
    z-index:940;
    width:100%;
    max-width:100vw;
    margin:0;
    padding:0 max(0.75rem, env(safe-area-inset-right)) 0 max(0.75rem, env(safe-area-inset-left));
    box-sizing:border-box;
    pointer-events:none;
    background:transparent;
    backdrop-filter:none;
    -webkit-backdrop-filter:none;
    box-shadow:none;
    padding-top:0;
    text-align:center;
  }
  .eon-float-nav__pill{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex-wrap:nowrap;
    gap:0.15rem;
    padding:0.35rem 0.65rem;
    width:auto;
    max-width:min(calc(100vw - 1.5rem), 720px);
    margin:0 auto;
    vertical-align:middle;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-radius:999px;
    box-shadow:0 10px 40px var(--eon-accent-glow-35),0 4px 24px rgba(15,23,42,0.08);
    border:none;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    pointer-events:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(18px);
    transition:opacity .3s cubic-bezier(0.4,0,0.2,1), transform .3s cubic-bezier(0.4,0,0.2,1), visibility .3s;
  }
  .eon-float-nav__pill::-webkit-scrollbar{display:none;}
  .eon-float-nav.eon-float-nav--vis .eon-float-nav__pill{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .eon-float-nav__pill a{
    flex:0 0 auto;
    text-decoration:none;
    color:var(--dark);
    font-weight:600;
    font-size:0.8125rem;
    padding:0.45rem 0.7rem;
    border-radius:999px;
    white-space:nowrap;
    transition:color .2s, background .2s;
  }
  .eon-float-nav__pill a:hover{color:var(--green-dark);}
  .eon-float-nav__pill a.is-active{
    color:var(--green-dark);
    background:var(--green-bg);
    box-shadow:inset 0 -2px 0 0 var(--green);
  }
}
.eon-theme-dock{
  position:fixed;
  right:max(0.65rem, env(safe-area-inset-right));
  top:50%;
  transform:translateY(-50%);
  z-index:945;
  display:flex;
  flex-direction:column;
  gap:0.65rem;
}
.eon-theme-btn{
  width:44px;
  height:44px;
  border-radius:50%;
  border:3px solid #fff;
  cursor:pointer;
  padding:0;
  flex-shrink:0;
  box-shadow:0 4px 16px rgba(0,0,0,.18);
  transition:transform .2s, box-shadow .2s;
  -webkit-tap-highlight-color:transparent;
}
.eon-theme-btn:hover{transform:scale(1.06);}
.eon-theme-btn[aria-pressed="true"]{
  box-shadow:0 0 0 3px var(--dark), 0 4px 16px rgba(0,0,0,.22);
  transform:scale(1.05);
}
.eon-theme-btn--e{background:var(--eon-logo-e);}
.eon-theme-btn--o{background:var(--eon-logo-o);}
.eon-theme-btn--n{background:var(--eon-logo-n);}
@media (max-width:767px){
  .eon-theme-dock{
    top:auto;
    bottom:max(5.5rem, calc(env(safe-area-inset-bottom) + 4.5rem));
    transform:none;
    flex-direction:row;
    right:max(0.5rem, env(safe-area-inset-right));
    left:auto;
  }
}
@media (min-width:968px) and (max-width:1100px){
  .eon-float-nav__pill a{font-size:0.75rem;padding:0.4rem 0.55rem;}
}

/* ── SCROLL TOP ── */
#scrollTop{position:fixed;bottom:max(1.1rem, env(safe-area-inset-bottom));right:max(1.1rem, env(safe-area-inset-right));width:46px;height:46px;background:var(--green);color:#fff;border-radius:50%;border:none;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;box-shadow:0 5px 18px var(--eon-accent-glow-40);transition:opacity .3s, visibility .3s, background .3s, transform .3s;opacity:0;visibility:hidden;z-index:999;-webkit-tap-highlight-color:transparent;}
#scrollTop.show{opacity:1;visibility:visible;}
#scrollTop:hover{background:var(--green-dark);transform:translateY(-3px);}
#scrollTop:focus-visible{outline:3px solid var(--green-light);outline-offset:3px;}

/* ── ANIMATION ── */
.fade{opacity:0;transform:translateY(28px);transition:opacity .65s,transform .65s;}
.fade.vis{opacity:1;transform:none;}
/* Stagger nhẹ: chỉ opacity (không translateY) để không chặn hover transform trên .wcard/.tcard/… */
.fade-stagger > *{
  opacity:0;
  transition:opacity .58s ease;
}
.fade-stagger.vis > *:nth-child(1){opacity:1;transition-delay:.05s;}
.fade-stagger.vis > *:nth-child(2){opacity:1;transition-delay:.11s;}
.fade-stagger.vis > *:nth-child(3){opacity:1;transition-delay:.17s;}
.fade-stagger.vis > *:nth-child(4){opacity:1;transition-delay:.23s;}
.fade-stagger.vis > *:nth-child(5){opacity:1;transition-delay:.29s;}
.fade-stagger.vis > *:nth-child(6){opacity:1;transition-delay:.35s;}
.fade-stagger.vis > *:nth-child(7){opacity:1;transition-delay:.41s;}
.fade-stagger.vis > *:nth-child(8){opacity:1;transition-delay:.47s;}
.fade-stagger.vis > *:nth-child(n+9){opacity:1;transition-delay:.53s;}

/* ── RESPONSIVE ── */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-cards{grid-template-columns:repeat(2,1fr);}
  .win-grid{grid-template-columns:1fr 1fr;}
  .phases{grid-template-columns:1fr 1fr;}
  .tech-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:0.75rem max(5%, env(safe-area-inset-left)) 1.25rem max(5%, env(safe-area-inset-right));box-shadow:0 8px 24px rgba(0,0,0,.1);gap:0;}
  .nav-links.open{display:flex;z-index:1001;}
  .nav-links li{width:100%;}
  .nav-links a{display:flex;align-items:center;min-height:44px;padding:0.35rem 0;}
  .nav-links .btn-nav{justify-content:center;margin-top:0.25rem;}
  .nav-links .nav-lang{
    width:100%;
    justify-content:center;
    padding:0.65rem 0 0.35rem;
    margin-top:0.35rem;
    border-top:1px solid var(--border);
  }
  .nav-links .eon-lang{width:100%;max-width:280px;}
  .nav-links .eon-lang__toggle{width:100%;justify-content:center;min-height:44px;}
  .hamburger{display:flex;margin-left:auto;}
  .hero-text h1{font-size:clamp(1.85rem, 1.2rem + 3vw, 2.75rem);}
  .hero-cards{grid-template-columns:1fr 1fr;}
  .win-grid,.prod-card,.contact-grid,.tech-grid,.price-tables{grid-template-columns:1fr;}
  .prod-card.rev{direction:ltr;}
  .savings-bar{grid-template-columns:1fr;}
  .phases{grid-template-columns:1fr 1fr;}
  .cspec-grid{grid-template-columns:1fr;}
  .cspec-card{grid-template-columns:1fr;}
  .cspec-media{height:auto;aspect-ratio:16/10;min-height:200px;max-height:320px;}
  .cspec-body:hover{box-shadow:inset 0 1px 0 rgba(15,23,42,0.06);}
  .quality-row,.assume-row{grid-template-columns:1fr 1fr;}
  .sec-head h2{font-size:1.7rem;}
  .irr-table th,.irr-table td{padding:10px 12px;font-size:0.8rem;}
}
@media (max-width:480px){
  section{padding:3.75rem max(5%, env(safe-area-inset-right)) 3.75rem max(5%, env(safe-area-inset-left));}
  .prod-card{padding:1.25rem;gap:1.5rem;margin-bottom:2.5rem;}
  .prod-visual{padding:0;}
  .prod-photo-wrap{min-height:10rem;aspect-ratio:16/11;max-height:min(280px,72vw);}
  .prod-photo{max-height:100%;width:auto;}
  .hero-cards{grid-template-columns:1fr 1fr;}
  .phases{grid-template-columns:1fr;}
  .quality-row,.assume-row{grid-template-columns:1fr;}
  .hero-btns{flex-direction:column;}
  .hero-btns .btn-primary,.hero-btns .btn-outline{width:100%;justify-content:center;}
  .spec-grid{grid-template-columns:1fr;}
  .irr-table{min-width:100%;font-size:0.78rem;}
  .irr-table th,.irr-table td{padding:0.55rem 0.45rem;}
}

@media (max-width:380px){
  .hero-cards{grid-template-columns:1fr;}
  .hcard{padding:1rem 0.85rem;}
  .hcard .num{font-size:1.85rem;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .fade,.hcard,.wcard,.phase,.cspec-card,.prod-card,.prod-info,.prod-visual,.spec-box,.aitem,.qcard,.tcard,.btn-primary,.btn-outline,.btn-nav,.faq-item,.faq-q,.faq-a,.faq-ico,.faq-item::before,.prod-photo,.prod-photo-wrap,.prod-visual-meta,.cspec-media,.cspec-body{transition:none!important;}
  .fade{opacity:1;transform:none;}
  .fade-stagger > *,
  .fade-stagger.vis > *{opacity:1!important;transition:none!important;}
  .spec-box:hover,.wcard:hover,.aitem:hover,.phase:hover,.qcard:hover,.tcard:hover,.prod-info:hover,.prod-visual:hover{transform:none!important;}
  .prod-visual:hover .prod-photo{transform:none!important;filter:drop-shadow(0 6px 18px rgba(15,23,42,0.08))!important;}
  .cspec-media:hover img{transform:none!important;}
  .faq-q.open .faq-ico{transform:none!important;}
  .faq-item:has(.faq-q.open)::before{transform:none!important;}
  .hamburger span{transition:none;}
  .hero-slide{transition:none!important;}
  .eon-float-nav,.eon-float-nav__pill{transition:none!important;}
  nav.site-nav{transition:none!important;}
}