@font-face{font-family:Inter;src:url("assets/Inter-Variable.ttf") format("truetype");font-weight:100 900;font-display:swap}

:root{
  --blue:#00516d;
  --deep:#003b50;
  --aqua:#5bc8b5;
  --ink:#12313c;
  --muted:#566a72;
  --paper:#f6f8f3;
  --mist:#e9f3ee;
  --white:#fff;
  --line:rgba(0,81,109,.17);
  --pad:clamp(24px,6vw,110px);
  --header:82px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
}
body.menu-open{overflow:hidden;touch-action:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}

h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3,h4{
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.015em;
}
h1 em,h2 em{
  font-weight:400;
  font-style:normal;
  color:var(--blue);
}
h1{
  font-size:clamp(36px,4.5vw,58px);
  line-height:1.15;
  color:var(--blue);
}
h2{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.24;
  margin-bottom:22px;
  text-wrap:balance;
}
h3{
  font-size:clamp(19px,2vw,24px);
  line-height:1.32;
}
p{line-height:1.68;color:var(--muted)}

section[id],article[id]{scroll-margin-top:calc(var(--header) + 18px)}
.skip-link{position:fixed;left:20px;top:-80px;z-index:100;background:var(--deep);color:#fff;padding:12px 18px;border-radius:0 0 8px 8px}.skip-link:focus{top:0}
:focus-visible{outline:3px solid #e2a927;outline-offset:4px}

/* Header */
.site-header{height:var(--header);padding:0 var(--pad);display:flex;align-items:center;gap:40px;position:fixed;z-index:1000;inset:0 0 auto;background:rgba(246,248,243,.92);border-bottom:1px solid transparent;backdrop-filter:blur(18px);transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 9px 30px rgba(0,59,80,.06)}
.brand{width:126px;flex:0 0 auto}.brand img,.footer-brand img{width:100%;height:100%;object-fit:contain}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:28px}.main-nav a,.header-link{font-size:13px;font-weight:600}.main-nav a{position:relative;color:var(--ink)}.main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--aqua);transition:.25s}.main-nav a:hover:after,.main-nav a[aria-current="page"]:after{right:0}
.header-link{border-left:1px solid var(--line);padding-left:26px;color:var(--blue);display:inline-flex;align-items:center;gap:4px}
.menu-button{display:none;width:48px;height:48px;border:0;background:transparent;padding:12px;cursor:pointer}.menu-button span{display:block;height:2px;background:var(--blue);margin:5px 0;transition:.25s}

/* Common Components */
.section-pad{padding:clamp(75px,8vw,120px) var(--pad)}
.section-kicker,.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:750;color:var(--blue)}
.eyebrow{display:flex;align-items:center;gap:11px}.eyebrow span{width:28px;height:2px;background:var(--aqua)}
.section-lead{font-size:16px;max-width:650px;color:var(--muted);line-height:1.7}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:48px;padding:12px 20px;background:var(--blue);color:#fff !important;font-size:13px;font-weight:650;border:1px solid var(--blue);border-radius:4px;transition:.2s}.button:hover{background:var(--deep);color:#fff !important;transform:translateY(-2px)}
.text-link{display:inline-flex;gap:20px;align-items:center;padding:10px 0;border-bottom:1px solid var(--blue);font-size:13px;font-weight:650;color:var(--blue)}
.light-link{color:#fff;border-color:rgba(255,255,255,.55)}

/* Hero (Home) */
.hero{min-height:100svh;padding:calc(var(--header) + 36px) var(--pad) 44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(400px,1.05fr);align-items:center;gap:5vw;position:relative;background:radial-gradient(circle at 82% 37%,rgba(91,200,181,.22),transparent 27%),linear-gradient(118deg,#f8faf5 0 55%,#dfefe8 55%)}
.hero-copy{max-width:770px;z-index:2}
.hero h1{margin:22px 0 24px;text-wrap:balance}
.hero-lead{font-size:16px;color:var(--muted);max-width:620px}
.hero-actions{display:flex;align-items:center;gap:26px;margin-top:34px}
.hero-media{height:min(72vh,740px);min-height:520px;position:relative;align-self:end;display:flex;align-items:flex-end;justify-content:center}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center top;border-radius:260px 260px 18px 18px;position:relative}
.hero-orbit{position:absolute;width:92%;aspect-ratio:1;border:1px solid rgba(0,81,109,.17);border-radius:50%;top:7%;right:-9%}
.hero-orbit:after{content:"";position:absolute;inset:10%;border:1px dashed rgba(0,81,109,.15);border-radius:50%}
.hero-note{position:absolute;background:rgba(255,255,255,.94);border:1px solid var(--line);padding:9px 12px;font-size:10px;font-weight:750;letter-spacing:.12em;color:var(--blue);backdrop-filter:blur(8px);border-radius:4px}
.note-one{left:-24px;top:27%}
.note-two{right:-18px;bottom:18%}
.hero-index{position:absolute;right:18px;top:50%;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:9px;color:var(--blue);font-weight:600}
.hero-index i{height:65px;width:1px;background:var(--line)}

.section-intro{display:grid;grid-template-columns:.42fr 1fr;gap:5vw}
.section-intro h2{color:var(--blue);max-width:1000px}
.section-intro.compact{grid-template-columns:.38fr 1fr;align-items:start;margin-bottom:48px}

/* 01 / Vấn đề da đầu */
.scalp-problems{background:var(--paper)}
.problem-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:46px}
.problem-card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column}
.problem-media{position:relative;aspect-ratio:1/1;background:#eaf2ed;overflow:hidden}
.problem-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,1,.36,1)}
.problem-card:hover .problem-media img{transform:scale(1.04)}
.problem-tag{position:absolute;top:10px;left:10px;background:rgba(0,43,58,.84);color:#fff;font-size:9.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 8px;border-radius:4px;backdrop-filter:blur(6px)}
.problem-body{padding:18px 16px 20px;flex-grow:1}
.problem-body h3{font-size:18px;color:var(--blue);margin:0 0 8px;line-height:1.3}
.problem-body p{color:var(--muted);font-size:13px;line-height:1.55;margin:0}

/* 02 / Viewpoint */
.viewpoint{background:#fff}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:58px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.principle-card{min-height:230px;padding:28px 4vw 24px 0;border-right:1px solid var(--line)}
.principle-card+article{padding-left:3vw}
.principle-card:last-child{border:0}
.principle-card span,.responsibility-grid span{display:block;font-family:Inter,-apple-system,sans-serif;font-size:clamp(28px,3.2vw,36px);font-weight:750;line-height:1;letter-spacing:-0.03em;color:var(--aqua);margin-bottom:6px}
.principle-card h3{font-size:26px;color:var(--blue);margin:16px 0 10px}
.principle-card p{color:var(--muted);font-size:14px}

/* Minh họa da đầu Trước / Sau */
.scalp-compare{background:var(--paper)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:42px 0 28px}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column}
.compare-badge{padding:12px 18px;font-size:10px;font-weight:750;letter-spacing:.1em;text-transform:uppercase;border-bottom:1px solid var(--line)}
.badge-before{background:#fdf5f3;color:#a84837}
.badge-after{background:#eef8f4;color:#1e6c55}
.compare-visual{position:relative;background:#f3f6f4;overflow:hidden;aspect-ratio:4/3}
.compare-visual img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,1,.36,1)}
.compare-card:hover .compare-visual img{transform:scale(1.025)}
.compare-lens-label{position:absolute;bottom:12px;left:12px;background:rgba(0,43,58,.84);color:#fff;font-size:10px;font-weight:650;letter-spacing:.06em;padding:5px 9px;border-radius:4px;backdrop-filter:blur(6px)}
.compare-content{padding:24px 26px;flex-grow:1}
.compare-content h3{font-size:22px;color:var(--blue);margin:0 0 8px}
.compare-content p{color:var(--muted);font-size:14px;margin:0;line-height:1.6}
/* Scalp Collection Grid (Before & After 3 Cases) */
.scalp-collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.scalp-collection-card{background:#ffffff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(0,59,80,.05);display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease}
.scalp-collection-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,59,80,.1)}
.scalp-collection-media{position:relative;width:100%;aspect-ratio:1/1;overflow:hidden;background:#edf4f0}
.scalp-collection-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.scalp-collection-card:hover .scalp-collection-media img{transform:scale(1.04)}
.collection-case-tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);color:var(--blue);font-size:10px;font-weight:750;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:20px;border:1px solid rgba(0,50,70,.1);z-index:2;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.split-labels{position:absolute;bottom:12px;left:12px;right:12px;display:flex;justify-content:space-between;z-index:2;pointer-events:none}
.label-before,.label-after{background:rgba(0,52,70,.82);backdrop-filter:blur(6px);color:#fff;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:4px}
.label-after{background:rgba(0,104,136,.88);color:#fff}
.scalp-collection-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.scalp-collection-body h3{font-size:18px;color:var(--blue);margin:0 0 8px;line-height:1.35}
.scalp-collection-body p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}

@media(max-width:960px){
  .scalp-collection-grid{grid-template-columns:1fr;gap:20px}
}
.compare-disclaimer{margin-top:20px;padding:16px 20px;background:#f0f5f2;border-left:3px solid var(--aqua);border-radius:0 6px 6px 0}
.compare-disclaimer p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
.compare-disclaimer strong{color:var(--blue)}

/* 03 / Khoa học & Cơ chế */
.mechanism{background:#fff}
.mechanism-stage{margin-top:46px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(0,59,80,.06)}
.mechanism-visual{position:relative;background:#032938;overflow:hidden;cursor:pointer}
.mechanism-visual img{width:100%;height:auto;display:block;transition:transform .4s ease}
.mechanism-visual:hover img{transform:scale(1.015)}
.mechanism-visual .zoom-hint{position:absolute;bottom:16px;right:16px;background:rgba(0,40,55,.85);backdrop-filter:blur(8px);color:#fff;font-size:11px;font-weight:650;letter-spacing:.04em;padding:6px 14px;border-radius:20px;display:flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 14px rgba(0,0,0,.2);pointer-events:none;transition:all .2s ease}

.mechanism-step-visual{display:none;position:relative;margin-bottom:20px;border-radius:10px;overflow:hidden;border:1px solid var(--line);box-shadow:0 4px 14px rgba(0,59,80,.08);background:#032938;cursor:pointer}
.mechanism-step-visual img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;transition:transform .35s ease}
.mechanism-step-visual:hover img{transform:scale(1.02)}
.mechanism-step-visual .zoom-hint{position:absolute;bottom:10px;right:10px;background:rgba(0,40,55,.88);backdrop-filter:blur(6px);color:#fff;font-size:10px;font-weight:700;letter-spacing:.04em;padding:5px 10px;border-radius:16px;display:flex;align-items:center;gap:5px;border:1px solid rgba(255,255,255,.25);box-shadow:0 3px 10px rgba(0,0,0,.25);pointer-events:none}

/* Micro-points chi tiết cơ chế cho Mobile & Desktop */
.mechanism-micro-points{display:grid;grid-template-columns:1fr;gap:14px;margin:20px 0 0;padding:20px 22px;background:linear-gradient(135deg,rgba(238,248,244,.75),rgba(244,248,246,.95));border:1px solid rgba(91,200,181,.3);border-radius:12px}
.micro-point{display:flex;align-items:flex-start;gap:14px}
.micro-icon{flex:0 0 30px;height:30px;border-radius:50%;background:#ffffff;border:1px solid rgba(91,200,181,.45);display:flex;align-items:center;justify-content:center;font-size:14px;box-shadow:0 2px 8px rgba(0,50,70,.07)}
.micro-info{display:flex;flex-direction:column;gap:3px}
.micro-info strong{font-size:13.5px;color:var(--blue);font-weight:750;line-height:1.35}
.micro-info span{font-size:12.5px;color:var(--muted);line-height:1.55}

@media(max-width:768px){
  .mechanism-visual{display:none}
  .mechanism-step-visual{display:block;width:100%;max-width:220px;margin:0 auto 16px auto;border-radius:12px;border:1px solid var(--line);box-shadow:0 4px 14px rgba(0,50,70,.08)}
  .mechanism-step-visual img{aspect-ratio:1/1;width:100%;height:auto}
  .mechanism-step-visual .zoom-hint{bottom:8px;right:8px;font-size:9px;padding:4px 8px}
  .mechanism-micro-points{margin:14px 0 16px;padding:10px 12px;gap:8px;border-radius:8px}
  .micro-point{gap:10px}
  .micro-icon{flex:0 0 22px;height:22px;font-size:11px}
  .micro-info strong{font-size:12px}
  .micro-info span{font-size:11px}
  .mechanism-step{padding:22px 18px !important}
  .mechanism-step h3{font-size:21px}
  .step-role{margin-bottom:12px;font-size:12px}
  .step-features{gap:8px}
  .step-features li{font-size:13px;line-height:1.5}
}

.mechanism-columns{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);background:#fafcfa}
.mechanism-step{padding:38px 42px}
.mechanism-step+.mechanism-step{border-left:1px solid var(--line)}
.step-num{font-size:11px;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--aqua);margin-bottom:8px}
.mechanism-step h3{font-size:26px;color:var(--blue);margin:0 0 4px}
.step-role{font-size:13px;font-weight:600;color:var(--muted);margin:0 0 20px}
.step-features{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.step-features li{position:relative;padding-left:18px;font-size:14px;line-height:1.6;color:var(--muted)}
.step-features li:before{content:"•";position:absolute;left:0;color:var(--aqua);font-size:16px;line-height:1}
.step-features li strong{color:var(--blue)}

/* 04 / Bộ đôi sản phẩm (Home & Catalog) */
.products{background:linear-gradient(180deg,var(--paper),#eef5f0)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{min-width:0;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column}
.product-meta{display:flex;justify-content:space-between;padding:18px 22px;font-size:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:750;color:var(--blue);border-bottom:1px solid var(--line)}
.product-image{height:440px;position:relative;display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden;background:linear-gradient(145deg,#dbeae3,#f7faf6)}
.product-spray .product-image{background:linear-gradient(145deg,#c9e7e0,#edf8f4)}
.product-combo .product-image{background:linear-gradient(145deg,#d2ede5,#f0f8f5)}
.product-image img{max-height:90%;max-width:90%;width:auto;height:auto;object-fit:contain;position:relative;z-index:1;filter:drop-shadow(0 20px 24px rgba(0,61,80,.15));transition:transform .35s ease}
.product-card:hover .product-image img{transform:scale(1.025)}
.ghost-word{position:absolute;font:700 clamp(56px,6.5vw,100px)/1 Inter,sans-serif;color:transparent;-webkit-text-stroke:1px rgba(0,81,109,.1);pointer-events:none}
.product-copy{padding:28px;display:flex;flex-direction:column;flex-grow:1}
.product-copy>p:first-child{font-size:10px;letter-spacing:.14em;font-weight:750;color:var(--aqua)}
.product-copy h3{font-size:26px;color:var(--blue);margin:8px 0}
.product-title-price{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:8px 0 10px;flex-wrap:wrap}
.product-title-price h3{margin:0;font-size:24px;color:var(--blue)}
.product-price{font-family:Inter,sans-serif;font-size:20px;font-weight:800;color:var(--blue);white-space:nowrap;background:rgba(91,200,181,.16);color:#00516d;padding:4px 10px;border-radius:4px;border:1px solid rgba(91,200,181,.35)}
.combo-price-group{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.combo-price-group .old-price{font-size:13px;font-weight:600;color:var(--muted);text-decoration:line-through}
.combo-badge-price{background:rgba(0,130,110,.16);color:#005c4b;border-color:rgba(0,130,110,.35)}
.combo-price-meta{background:rgba(0,130,110,.12) !important;color:#005c4b !important}
.meta-price{font-family:Inter,sans-serif;font-size:12px;font-weight:800;color:var(--blue);background:rgba(0,81,109,.08);padding:3px 8px;border-radius:4px;letter-spacing:0}
.product-hero-price{display:inline-flex;align-items:baseline;gap:8px;margin-top:16px;background:#fff;padding:8px 16px;border-radius:6px;border:1px solid var(--line);box-shadow:0 4px 12px rgba(0,59,80,.05)}
.hero-price-tag{font-size:26px;font-weight:800;color:var(--blue);letter-spacing:-0.02em}
.hero-price-sub{font-size:13px;font-weight:600;color:var(--muted)}
.product-copy>p:not(:first-child){color:var(--muted);max-width:520px;min-height:48px;font-size:14px;line-height:1.65}
.product-card .product-copy a{display:flex;justify-content:space-between;margin-top:22px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;font-weight:700;color:var(--blue)}

/* Product Detail Showcase & Full-frame Slider */
.product-showcase{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:clamp(30px,5vw,56px);align-items:start}
.product-showcase-visual{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;padding:0;box-shadow:0 12px 36px rgba(0,59,80,.07)}

.product-slider-container{position:relative;width:100%;aspect-ratio:1/1;overflow:hidden;background:#f4f8f6}
.product-slider-track{display:flex;width:100%;height:100%;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.product-slider-track::-webkit-scrollbar{display:none}

.product-slide{flex:0 0 100%;width:100%;height:100%;scroll-snap-align:start;scroll-snap-stop:always;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#edf5f1}
.product-slide img{width:100%;height:100%;object-fit:cover;display:block;-webkit-user-drag:none;user-select:none}

/* Slide Studio / Cutout sản phẩm */
.product-slide.studio-slide{background:radial-gradient(circle at 50% 50%,#ffffff 35%,#e8f3ef 100%);padding:28px}
.product-slide.studio-slide.spray-studio{background:radial-gradient(circle at 50% 50%,#ffffff 35%,#e0f1ec 100%)}
.product-slide.studio-slide img{width:auto;height:100%;max-width:90%;max-height:90%;object-fit:contain;filter:drop-shadow(0 20px 28px rgba(0,59,80,.18))}

/* Nút điều hướng Previous / Next */
.slider-nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border:1px solid rgba(0,50,70,.1);color:var(--blue);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .2s ease;box-shadow:0 6px 18px rgba(0,50,70,.12);padding:0}
.slider-nav-btn:hover{background:#ffffff;color:var(--aqua);transform:translateY(-50%) scale(1.08);box-shadow:0 8px 24px rgba(0,50,70,.2)}
.slider-nav-btn:active{transform:translateY(-50%) scale(.96)}
.slider-nav-btn.prev{left:16px}
.slider-nav-btn.next{right:16px}

/* Badge số thứ tự ảnh */
.slider-counter{position:absolute;bottom:14px;right:14px;background:rgba(0,52,70,.82);backdrop-filter:blur(8px);color:#fff;font-family:Inter,sans-serif;font-size:11px;font-weight:700;letter-spacing:.06em;padding:5px 12px;border-radius:20px;z-index:10;pointer-events:none;display:flex;align-items:center;gap:4px}
.slider-counter .counter-current{color:var(--aqua)}

/* Dải Thumbnail bên dưới */
.gallery-thumbs{display:flex;gap:10px;padding:16px 18px 18px;overflow-x:auto;scrollbar-width:none;justify-content:center;background:#ffffff;border-top:1px solid var(--line)}
.gallery-thumbs::-webkit-scrollbar{display:none}
.thumb-btn{width:58px;height:58px;flex:0 0 58px;border-radius:8px;border:2px solid transparent;background:#f0f5f2;padding:2px;cursor:pointer;transition:all .2s ease;overflow:hidden;box-shadow:0 2px 6px rgba(0,59,80,.06)}
.thumb-btn img{width:100%;height:100%;object-fit:cover;border-radius:5px;display:block}
.thumb-btn:hover{border-color:var(--aqua);transform:translateY(-2px)}
.thumb-btn.active{border-color:var(--blue);box-shadow:0 0 0 2px rgba(0,81,109,.28);transform:scale(1.05)}

/* Product Visual Collection */
.collection-section{background:#fff}
.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.collection-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:transform .3s ease, box-shadow .3s ease;display:flex;flex-direction:column}
.collection-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,59,80,.09)}
.collection-media{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;background:#edf4f0}
.collection-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.collection-card:hover .collection-media img{transform:scale(1.05)}
.collection-tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);color:var(--blue);font-size:10px;font-weight:750;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:4px;border:1px solid var(--line)}
.collection-body{padding:20px;display:flex;flex-direction:column;flex:1}
.collection-body h3{font-size:18px;color:var(--blue);margin:0 0 8px;line-height:1.3}
.collection-body p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}
@media(max-width:960px){
  .collection-grid{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media(max-width:600px){
  .collection-grid{grid-template-columns:1fr;gap:16px}
  .thumb-btn{width:48px;height:48px}
}

/* Home Lifestyle Campaign Showcase */
.home-showcase{background:linear-gradient(180deg,#ffffff 0%,#f5f9f7 100%);overflow:hidden}
.home-showcase-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-top:12px}
.showcase-nav-btns{display:flex;gap:12px}
.showcase-arrow{width:46px;height:46px;border-radius:50%;background:#ffffff;border:1px solid var(--line);color:var(--blue);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .25s ease;box-shadow:0 4px 14px rgba(0,50,70,.06)}
.showcase-arrow:hover{background:var(--blue);color:#ffffff;border-color:var(--blue);transform:scale(1.06);box-shadow:0 6px 18px rgba(0,50,70,.18)}
.showcase-arrow:active{transform:scale(.95)}

.home-showcase-track-wrap{margin-top:40px;position:relative}
.home-showcase-track{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:16px}
.home-showcase-track::-webkit-scrollbar{display:none}

.showcase-card{flex:0 0 clamp(290px,28vw,350px);background:#ffffff;border:1px solid var(--line);border-radius:14px;overflow:hidden;scroll-snap-align:start;display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease;box-shadow:0 8px 24px rgba(0,59,80,.05)}
.showcase-card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(0,59,80,.12)}

.showcase-media{position:relative;width:100%;aspect-ratio:3/4;overflow:hidden;background:#edf5f1;cursor:pointer}
.showcase-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;-webkit-user-drag:none;user-select:none}
.showcase-card:hover .showcase-media img{transform:scale(1.05)}
.showcase-zoom-hint{position:absolute;bottom:12px;right:12px;width:34px;height:34px;border-radius:50%;background:rgba(0,40,55,.82);backdrop-filter:blur(6px);color:#fff;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.25);box-shadow:0 4px 12px rgba(0,0,0,.2);opacity:0;transform:scale(.8);transition:all .25s ease;z-index:2;pointer-events:none}
.showcase-zoom-hint svg{width:16px;height:16px}
.showcase-card:hover .showcase-zoom-hint{opacity:1;transform:scale(1)}
@media(max-width:768px){
  .showcase-zoom-hint{opacity:1;transform:scale(1);width:30px;height:30px}
}

.showcase-tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);color:var(--blue);font-size:10px;font-weight:750;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:20px;border:1px solid rgba(0,50,70,.08);box-shadow:0 2px 8px rgba(0,0,0,.08);z-index:2}

.showcase-content{padding:22px 20px 24px;display:flex;flex-direction:column;flex:1}
.showcase-content h3{font-size:18px;color:var(--blue);margin:0 0 8px;line-height:1.35}
.showcase-content p{font-size:13px;color:var(--muted);margin:0 0 16px;line-height:1.65;flex:1}
.showcase-link{font-size:12px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease}
.showcase-link:hover{color:var(--aqua)}

@media(max-width:768px){
  .home-showcase-head{flex-direction:column;align-items:flex-start}
  .showcase-nav-btns{display:none}
  .showcase-card{flex:0 0 82vw}
  .home-showcase-track{padding-bottom:10px}
}

/* 05 / Thông tin sản phẩm */
.information{background:#fff}
.information-head{display:grid;grid-template-columns:1fr .48fr;gap:8vw;align-items:end;margin-bottom:52px}
.information-head h2{color:var(--blue)}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.info-card{padding:30px 30px 32px 0;min-height:300px;border-right:1px solid var(--line)}
.info-card+article{padding-left:30px}
.info-card:last-child{border:0}
.info-number{font-family:Inter,sans-serif;font-weight:700;font-size:30px;color:var(--aqua)}
.info-label{font-size:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:750;color:var(--blue);margin:38px 0 8px}
.info-card h3{font-size:24px;color:var(--blue)}
.info-card>p:not(.info-label,.status-line){font-size:14px;color:var(--muted);line-height:1.65}
.info-card dl{margin:18px 0}
.info-card dl div{display:flex;justify-content:space-between;gap:20px;padding:9px 0;border-top:1px solid var(--line);font-size:13px}
.info-card dd{margin:0;font-weight:700;color:var(--blue)}
.status-line{font-size:12px;line-height:1.5;color:var(--muted);padding-left:12px;border-left:3px solid #d19b27}
.wide-link{display:flex;justify-content:space-between;align-items:center;background:var(--blue);color:#fff;padding:18px 24px;margin-top:36px;font-family:Inter,sans-serif;font-size:16px;font-weight:650;border-radius:4px}
.wide-link span:last-child{font-size:22px;font-weight:300}

/* Product Campaign Collection (8-shot Lifestyle Grid) */
.campaign-section{background:var(--mist)}
.campaign-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.campaign-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:transform .3s ease, box-shadow .3s ease;display:flex;flex-direction:column}
.campaign-card:hover{transform:translateY(-5px);box-shadow:0 16px 32px rgba(0,59,80,.1)}
.campaign-media{position:relative;width:100%;aspect-ratio:3/4;overflow:hidden;background:#edf4f0}
.campaign-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.campaign-card:hover .campaign-media img{transform:scale(1.05)}
.campaign-tag{position:absolute;top:10px;left:10px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);color:var(--blue);font-size:10px;font-weight:750;letter-spacing:.08em;text-transform:uppercase;padding:4px 8px;border-radius:4px;border:1px solid var(--line)}
.campaign-body{padding:16px;display:flex;flex-direction:column;flex:1}
.campaign-body h3{font-size:15px;color:var(--blue);margin:0 0 6px;line-height:1.3}
.campaign-body p{font-size:12px;color:var(--muted);margin:0;line-height:1.55}
@media(max-width:1024px){
  .campaign-grid{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media(max-width:560px){
  .campaign-grid{grid-template-columns:1fr;gap:14px}
}

/* 06 / Cách sử dụng cơ bản */
.routine{background:var(--mist)}
.routine-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.routine-card{background:#fff;padding:34px 38px;border-radius:6px;border:1px solid var(--line)}
.routine-title{display:flex;gap:22px;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--line)}
.routine-title>span{font-family:Inter,sans-serif;font-weight:700;font-size:36px;color:var(--aqua)}
.routine-title small{font-size:10px;letter-spacing:.14em;color:var(--blue);font-weight:750}
.routine-title h3{font-size:26px;color:var(--blue);margin:4px 0 0}
.routine-card ol{list-style:none;counter-reset:steps;padding:8px 0 0;margin:0}
.routine-card li{counter-increment:steps;padding:15px 0 15px 40px;border-bottom:1px solid var(--line);position:relative;color:var(--muted);font-size:14px}
.routine-card li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;color:var(--blue);font-size:11px;font-weight:750}
.usage-note{text-align:center;color:var(--muted);font-size:13px;margin:28px 0 0}

/* 07 / Minh bạch */
.transparency{background:var(--deep);color:#fff;display:grid;grid-template-columns:.9fr 1.1fr;gap:8vw}
.section-kicker.light{color:var(--aqua)}
.transparency h2{font-size:clamp(32px,3.8vw,50px)}
.transparency-copy>p:not(.section-kicker){color:rgba(255,255,255,.78);max-width:650px;font-size:15px}
.status-stack{border-top:1px solid rgba(255,255,255,.2)}
.status-card{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.2)}
.status-card>span{font-family:Inter,sans-serif;font-weight:700;font-size:26px;color:var(--aqua)}
.status-card p{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--aqua);margin-bottom:6px}
.status-card h3{font-size:22px;margin:0 0 6px}
.status-card small{font-size:13px;color:rgba(255,255,255,.68)}

/* 08 / Trách nhiệm */
.responsibility{background:#fff}
.responsibility>h2{color:var(--blue);max-width:1100px}
.responsibility-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:54px}
.responsibility-grid article{padding:24px 4vw 14px 0;border-top:1px solid var(--line);border-right:1px solid var(--line)}
.responsibility-grid article+article{padding-left:3vw}
.responsibility-grid article:last-child{border-right:0}
.responsibility-grid h3{font-size:24px;color:var(--blue);margin:16px 0 8px}
.responsibility-grid p{color:var(--muted);font-size:14px}

/* 09 / FAQ */
.faq{background:#eef5ef;display:grid;grid-template-columns:.7fr 1.3fr;gap:8vw}
.faq-title h2{color:var(--blue)}
.faq-list details{border-top:1px solid var(--line)}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;padding:20px 0;font-family:Inter,sans-serif;font-size:18px;font-weight:650;line-height:1.35;color:var(--blue);display:flex;justify-content:space-between;gap:20px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{font-weight:300;transition:.25s}
.faq-list details[open] summary span{transform:rotate(45deg)}
.faq-list details p{color:var(--muted);max-width:750px;margin:0 40px 22px 0;font-size:14px;line-height:1.7}

/* Brand Close */
.brand-close{height:min(720px,80vh);min-height:560px;position:relative;display:flex;align-items:center;color:#fff;overflow:hidden}
.brand-close>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 25%}
.brand-close-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,52,70,.94),rgba(0,52,70,.52) 60%,rgba(0,52,70,.1))}
.brand-close-copy{position:relative;margin-left:var(--pad)}
.brand-close-copy>p{font-size:11px;letter-spacing:.16em;color:var(--aqua)}
.brand-close h2{font-size:clamp(38px,4.8vw,64px);line-height:1.18}
.brand-close-copy>div{display:flex;gap:30px}
.brand-close-copy a{padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.6);font-size:13px;font-weight:650}

/* Footer */
.site-footer{padding:64px var(--pad) 28px;background:var(--paper)}
.footer-main{display:grid;grid-template-columns:.7fr 1fr .7fr .8fr;gap:44px}
.footer-brand{width:140px;height:50px}
.footer-main>p{font-family:Inter,sans-serif;font-size:18px;font-weight:600;line-height:1.35;color:var(--blue);max-width:330px}
.footer-links,address{display:flex;flex-direction:column;gap:12px;font-size:13px;font-style:normal}
.footer-links a,address a{width:max-content}
.footer-bottom{margin-top:54px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;color:var(--muted);font-size:11px}

/* Page Hero Template */
.evidence-page,.brand-page,.mechanism-page,.products-page,.product-detail-page,.contact-page{background:#fff}
.evidence-hero{padding-top:calc(var(--header) + 45px);background:linear-gradient(135deg,#f7faf6 0 62%,#dfefe8 62%);min-height:560px}
.breadcrumb{display:flex;gap:10px;color:var(--muted);font-size:12px;margin-bottom:70px}
.breadcrumb a{color:var(--blue);font-weight:650}
.evidence-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:8vw;align-items:end}
.evidence-hero h1{margin:18px 0 0;text-wrap:balance}
.evidence-hero-copy>p{font-size:16px;color:var(--muted);max-width:620px;line-height:1.7}
.evidence-hero-copy>div{display:flex;align-items:center;gap:24px;margin-top:30px}

/* Status Cards & Legend */
.legend{background:#fff}
.legend-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.legend-card{padding:30px 28px 32px 0;border-right:1px solid var(--line)}
.legend-card+article{padding-left:28px}
.legend-card:last-child{border:0}
.status-badge{display:inline-flex;align-items:center;width:max-content;max-width:100%;padding:6px 9px;border:1px solid currentColor;font-size:10px;line-height:1.2;text-transform:uppercase;letter-spacing:.08em;font-weight:750;border-radius:3px}
.status-checked{color:#236d5c;background:#eef8f3}
.status-provided{color:#7a5b14;background:#fff8e8}
.status-missing{color:#64767c;background:#f3f5f4}
.legend-card h3{font-size:22px;color:var(--blue);margin:32px 0 10px}
.legend-card p{color:var(--muted);font-size:14px}

.manufacturing{background:var(--paper);display:grid;grid-template-columns:.7fr 1.3fr;gap:7vw}
.manufacturing h2{color:var(--blue)}
.manufacturing-grid{display:grid;grid-template-columns:1fr}
.manufacturing-grid article{padding:26px 0;border-top:1px solid var(--line)}
.manufacturing-grid article:last-child{border-bottom:1px solid var(--line)}
.manufacturing-grid h3{font-size:24px;color:var(--blue);margin:18px 0 8px}
.manufacturing-grid p{color:var(--muted);margin-bottom:5px;font-size:14px}

/* Brand Page Visuals & Principles */
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.principle-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;padding:28px;transition:transform .3s ease, box-shadow .3s ease}
.principle-card.has-media{padding:0}
.principle-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,59,80,.08)}
.principle-media{width:100%;aspect-ratio:4/3;position:relative;overflow:hidden;background:#edf4f0}
.principle-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.principle-card:hover .principle-media img{transform:scale(1.05)}
.principle-body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1}
.principle-card span{font-family:Inter,sans-serif;font-weight:700;font-size:12px;color:var(--aqua);letter-spacing:.1em}
.principle-card h3{font-size:22px;color:var(--blue);margin:8px 0 10px}
.principle-card p{color:var(--muted);font-size:14px;line-height:1.65;margin:0}

.brand-page .evidence-hero-grid{grid-template-columns:1.08fr .92fr;gap:5vw;align-items:center}
.brand-page .brand-hero-desc{font-size:16px;color:var(--muted);line-height:1.75;margin:22px 0 28px;max-width:580px}
.brand-page .brand-hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}

.brand-hero-showcase{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 18px 40px rgba(0,59,80,.1);aspect-ratio:4/3;background:#edf4f0}
.brand-hero-showcase img{width:100%;height:100%;object-fit:cover;display:block}
.brand-hero-badge{position:absolute;bottom:14px;left:14px;right:14px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);padding:10px 16px;border-radius:6px;border:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.brand-hero-badge strong{font-size:12px;color:var(--blue);font-weight:750}
.brand-hero-badge span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}

.brand-page .responsibility-grid{grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.brand-page .responsibility-grid article{padding:24px 0 16px;border-top:1px solid var(--line);border-right:none}
.brand-page .responsibility-grid article+article{padding-left:0}

.manufacturing-card-visual{border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:0 8px 24px rgba(0,59,80,.06);margin-top:24px}
.manufacturing-card-visual img{width:100%;height:auto;max-height:380px;object-fit:cover;display:block}

@media(max-width:960px){
  .principle-grid{grid-template-columns:1fr;gap:20px}
  .brand-hero-showcase{margin-top:24px}
  .brand-page .evidence-hero-grid{grid-template-columns:1fr;gap:32px}
  .brand-page .responsibility-grid{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media(max-width:560px){
  .brand-page .responsibility-grid{grid-template-columns:1fr}
}

/* Contact & Form */
.contact-cards-grid .legend-card h3{font-size:22px;margin:22px 0 8px}
.form-wrapper input:focus,.form-wrapper select:focus,.form-wrapper textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,81,109,.12)}
.form-feedback-success{background:#eef8f3;border:1px solid #5bc8b5;color:#1e6c55}
.form-feedback-error{background:#fdf5f3;border:1px solid #e27d60;color:#a84837}

/* Floating Contact Widget */
.floating-contact{
  position:fixed;
  right:26px;
  bottom:28px;
  z-index:990;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:12px;
}
.float-btn{
  position:relative;
  width:52px;
  height:52px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 24px rgba(0,59,80,.24);
  transition:transform .25s cubic-bezier(.2,1,.3,1),box-shadow .25s;
  cursor:pointer;
  text-decoration:none;
  border:none;
  padding:0;
}
.float-btn:hover{
  transform:scale(1.08) translateY(-2px);
  box-shadow:0 12px 28px rgba(0,59,80,.32);
}
.float-zalo{
  background:#0068ff;
  color:#fff;
}
.float-phone{
  background:var(--blue);
  color:#fff;
}
.float-top{
  background:#fff;
  color:var(--blue);
  border:1px solid var(--line);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .25s,visibility .25s,transform .25s;
}
.float-top.visible{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}
.float-pulse{
  position:absolute;
  inset:-4px;
  border-radius:50%;
  border:2px solid var(--aqua);
  animation:float-pulse-ring 2s cubic-bezier(.215,.61,.355,1) infinite;
  pointer-events:none;
}
@keyframes float-pulse-ring{
  0%{transform:scale(.95);opacity:.85}
  60%{transform:scale(1.4);opacity:0}
  100%{transform:scale(1.4);opacity:0}
}
.float-tooltip{
  position:absolute;
  right:62px;
  background:var(--deep);
  color:#fff;
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
  padding:7px 12px;
  border-radius:6px;
  pointer-events:none;
  opacity:0;
  transform:translateX(10px);
  transition:opacity .2s,transform .2s;
  box-shadow:0 4px 14px rgba(0,0,0,.16);
}
.float-tooltip:after{
  content:"";
  position:absolute;
  right:-5px;
  top:50%;
  transform:translateY(-50%);
  border-width:5px 0 5px 5px;
  border-style:solid;
  border-color:transparent transparent transparent var(--deep);
}
.float-btn:hover .float-tooltip{
  opacity:1;
  transform:translateX(0);
}

/* Reveal Animations */
.reveal{opacity:1;transform:none}
.reveal.visible{animation:reveal-in .65s cubic-bezier(.22,1,.36,1) both}
.delay-1.visible{animation-delay:.1s}
.delay-2.visible{animation-delay:.2s}
@keyframes reveal-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* Responsive Breakpoints */
@media(max-width:1050px){
  .main-nav{gap:16px}
  .hero{grid-template-columns:1fr 1fr}
  .information-head{grid-template-columns:1fr .6fr}
  .problem-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:1fr;gap:28px}
  .product-showcase{grid-template-columns:1fr 1fr;gap:36px}
}

@media(max-width:800px){
  :root{--header:70px}
  .site-header{
    padding:0 20px;
    z-index:1000;
    backdrop-filter:none !important;
    -webkit-backdrop-filter:none !important;
    background:#f6f8f3 !important;
    border-bottom:1px solid var(--line);
  }
  .brand{width:110px}
  .header-link{display:none}
  .menu-button{display:block;margin-left:auto;z-index:1001;position:relative}
  .menu-button.open span:first-child{transform:translateY(3.5px) rotate(45deg)}
  .menu-button.open span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
  .main-nav{
    display:none;
    position:fixed;
    top:var(--header);
    left:0;
    right:0;
    bottom:0;
    width:100vw;
    height:calc(100vh - var(--header));
    height:calc(100dvh - var(--header));
    background-color:#f6f8f3 !important;
    background:#f6f8f3 !important;
    padding:20px 20px 48px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    z-index:9999;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    box-shadow:0 20px 40px rgba(0,59,80,.14);
  }
  .main-nav.open{display:flex !important}
  .main-nav a{
    width:100%;
    padding:16px 4px;
    border-bottom:1px solid var(--line);
    font-size:18px;
    font-weight:650;
    color:var(--blue);
    background:transparent;
    display:flex;
    justify-content:space-between;
    align-items:center;
  }
  .main-nav a:hover,
  .main-nav a[aria-current="page"]{color:var(--deep);font-weight:700}
  .main-nav a:after{display:none}
  .hero{min-height:auto;grid-template-columns:1fr;padding:calc(var(--header) + 36px) 20px 40px;background:radial-gradient(circle at 70% 70%,rgba(91,200,181,.25),transparent 32%),var(--paper)}
  .hero-lead{font-size:15px}
  .hero-actions{align-items:flex-start;flex-direction:column;gap:10px;margin-top:24px}
  .hero-media{height:480px;min-height:0;margin-top:24px;align-self:auto}
  .hero-media img{border-radius:180px 180px 12px 12px}
  .hero-orbit{right:-12%}
  .hero-note{font-size:8px}
  .note-one{left:-5px}
  .note-two{right:-5px}
  .hero-index{display:none}
  .section-pad{padding:68px 20px}
  .section-intro,.section-intro.compact,.information-head,.transparency,.faq,.manufacturing,.evidence-hero-grid{grid-template-columns:1fr}
  .section-intro.compact{margin-bottom:34px}
  .section-intro{gap:12px}
  .info-grid,.legend-grid{grid-template-columns:1fr;margin-top:34px}
  .responsibility-grid article,.responsibility-grid article+article,.info-card,.info-card+article,.legend-card,.legend-card+article{min-height:auto;padding:22px 0;border-right:0;border-bottom:1px solid var(--line)}
  .responsibility-grid span{font-size:28px;margin-bottom:4px}
  .principle-card{padding:22px 20px}
  .principle-card.has-media{padding:0}
  .principle-card span{font-size:12px;margin-bottom:4px}
  .principle-card h3,.responsibility-grid h3,.legend-card h3{margin:12px 0 6px}
  .product-grid,.routine-grid,.compare-grid,.parting-pair,.problem-grid,.contact-form-grid{grid-template-columns:1fr !important;gap:36px !important}
  .mechanism-columns{grid-template-columns:1fr !important;gap:0 !important}
  .mechanism-step+.mechanism-step{border-left:0;border-top:1px solid var(--line)}
  .product-showcase{grid-template-columns:1fr !important;gap:32px !important}
  .product-showcase-visual{min-height:auto !important;padding:0 !important}
  .information-head{gap:8px}
  .info-grid{margin-top:0}
  .info-label{margin-top:26px}
  .wide-link{font-size:16px}
  .transparency{gap:44px}
  .responsibility-grid{margin-top:34px}
  .faq{gap:22px}
  .faq-list summary{font-size:17px}
  .brand-close{height:640px}
  .brand-close-overlay{background:linear-gradient(0deg,rgba(0,52,70,.94),rgba(0,52,70,.2))}
  .brand-close-copy{align-self:flex-end;margin:0 20px 54px}
  .brand-close-copy>div{flex-direction:column;align-items:flex-start;gap:16px}
  .footer-main{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column}
  .evidence-hero{padding-top:calc(var(--header) + 30px);min-height:auto}
  .breadcrumb{margin-bottom:45px}
  .evidence-hero-copy>div{align-items:flex-start;flex-direction:column}
  .legend-grid{margin-top:0}
  .floating-contact{right:16px;bottom:20px;gap:10px}
  .float-btn{width:46px;height:46px}
  .float-btn svg{width:24px;height:24px}
  .float-tooltip{display:none !important}
}

@media(max-width:480px){
  h1{font-size:32px;line-height:1.18}
  h2{font-size:24px;line-height:1.24}
  .hero-media{height:400px}
  .product-image{height:320px}
  .product-showcase-visual{min-height:auto !important;padding:0 !important}
  .product-copy{padding:20px}
  .routine-card{padding:24px 20px}
  .routine-title h3{font-size:24px}
  .information .wide-link{margin-inline:-20px}
  .footer-main{grid-template-columns:1fr}
  .footer-bottom{margin-top:36px}
  .status-badge{font-size:9px}
  .compare-content{padding:18px}
  .problem-body{padding:18px}
  .mechanism-step-visual{max-width:200px}
  .mechanism-step{padding:20px 16px !important}
  .mechanism-step h3{font-size:20px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal.visible{opacity:1;transform:none;animation:none}
  .button:hover{transform:none}
}

.hero-copy,.evidence-hero-grid>*{min-width:0}
@media(max-width:480px){
  .hero h1 em,.evidence-hero h1 em{display:inline}
  .hero-lead,.evidence-hero-copy>p{max-width:100%;overflow-wrap:anywhere}
}

/* Image Zoom Lightbox Modal */
.image-modal{position:fixed;inset:0;z-index:9999;display:none;opacity:0;transition:opacity .25s ease;align-items:center;justify-content:center;padding:16px}
.image-modal.active{display:flex;opacity:1}
.image-modal-backdrop{position:absolute;inset:0;background:rgba(2,24,34,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);cursor:zoom-out}
.image-modal-content{position:relative;z-index:2;max-width:min(1200px,96vw);max-height:92vh;display:flex;flex-direction:column;align-items:center;animation:modalScaleIn .25s cubic-bezier(.2,.9,.3,1)}
.image-modal-figure{position:relative;display:flex;flex-direction:column;align-items:center;width:100%}
.image-modal-img{max-width:100%;max-height:80vh;object-fit:contain;border-radius:10px;box-shadow:0 24px 60px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.15);transition:opacity .2s ease}
.image-modal-caption{margin-top:14px;color:#fff;font-size:13px;font-weight:600;text-align:center;max-width:700px;line-height:1.5;background:rgba(0,40,55,.75);backdrop-filter:blur(6px);padding:8px 18px;border-radius:20px;border:1px solid rgba(255,255,255,.12)}
.image-modal-counter{position:absolute;top:14px;left:14px;color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;background:rgba(0,40,55,.8);backdrop-filter:blur(6px);padding:4px 10px;border-radius:12px;border:1px solid rgba(255,255,255,.2);z-index:3}
.image-modal-close{position:absolute;top:-48px;right:0;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;padding:0;line-height:1;z-index:4}
.image-modal-close:hover{background:rgba(255,255,255,.9);color:var(--blue);transform:scale(1.08)}
.image-modal-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;background:rgba(0,40,55,.75);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:26px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;padding:0;z-index:3;box-shadow:0 6px 18px rgba(0,0,0,.3);line-height:1}
.image-modal-nav:hover{background:rgba(255,255,255,.95);color:var(--blue);transform:translateY(-50%) scale(1.08)}
.image-modal-nav.prev{left:-56px}
.image-modal-nav.next{right:-56px}

@media(max-width:900px){
  .image-modal-nav.prev{left:10px}
  .image-modal-nav.next{right:10px}
  .image-modal-close{top:-44px;right:0}
}
body.modal-open{overflow:hidden}

@keyframes modalScaleIn{
  from{transform:scale(.92);opacity:0}
  to{transform:scale(1);opacity:1}
}