/* CENOVA Design & Build — design system
   Brand: Cenova Blue #055795 · Deep #1269AB · Sky #AFD0EF · Interior #A0C9E6 · Pale #DDEEF5 · Slate #324E64 */
:root{
  --blue:#055795; --blue-deep:#1269AB; --navy:#06263f; --ink:#0a1b2a;
  --sky:#AFD0EF; --interior:#A0C9E6; --pale:#DDEEF5; --mist:#F3F8FC;
  --slate:#324E64; --line:#d3e3ef; --white:#fff; --gold:#c9a96a;
  --r:20px; --r-sm:12px;
  --shadow:0 30px 60px -30px rgba(5,87,149,.35), 0 8px 20px -10px rgba(5,87,149,.15);
  --ease:cubic-bezier(.22,.8,.24,1);
  --head:'Montserrat',system-ui,sans-serif; --body:'Be Vietnam Pro',system-ui,sans-serif;
  --container:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--body);color:var(--slate);background:var(--white);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--head);color:var(--ink);line-height:1.15;letter-spacing:-.01em}
:focus-visible{outline:3px solid var(--blue-deep);outline-offset:3px;border-radius:6px}
.container{width:min(var(--container),100% - 48px);margin-inline:auto}
.section{padding:clamp(72px,10vw,140px) 0;position:relative}
.eyebrow{font:700 12px/1 var(--head);letter-spacing:.28em;text-transform:uppercase;color:var(--blue-deep);display:inline-flex;align-items:center;gap:14px;margin-bottom:22px}
.eyebrow::before{content:"";width:36px;height:1.5px;background:currentColor}
.h2{font-size:clamp(30px,4.2vw,56px);font-weight:800;text-transform:uppercase;letter-spacing:.01em}
.h2 em{font-style:normal;color:var(--blue)}
.lead{font-size:clamp(16px,1.4vw,19px);max-width:620px;margin-top:20px}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:40px;flex-wrap:wrap;margin-bottom:clamp(40px,6vw,72px)}

/* Buttons */
.btn{--bg:var(--blue);--fg:#fff;display:inline-flex;align-items:center;gap:12px;padding:17px 30px;border-radius:999px;background:var(--bg);color:var(--fg);font:700 13px/1 var(--head);letter-spacing:.14em;text-transform:uppercase;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s;min-height:48px;position:relative;overflow:hidden}
.btn svg{width:18px;height:18px;transition:transform .35s var(--ease)}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 30px -12px rgba(5,87,149,.55);background:var(--blue-deep)}
.btn:hover svg{transform:translateX(5px)}
.btn--ghost{--bg:transparent;--fg:var(--blue);box-shadow:inset 0 0 0 1.5px var(--blue)}
.btn--ghost:hover{background:var(--blue);color:#fff}
.btn--light{--bg:#fff;--fg:var(--blue)}
.btn--light:hover{background:var(--pale);color:var(--blue)}
.btn--wire{--bg:transparent;--fg:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.55)}
.btn--wire:hover{background:#fff;color:var(--blue)}

/* Topbar + Nav */
.topbar{background:var(--navy);color:#cfe3f3;font-size:13px;padding:9px 0}
.topbar .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.topbar b{color:#fff;font-weight:600}
.topbar span{display:inline-flex;align-items:center;gap:8px}
.topbar svg{width:14px;height:14px}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.nav.scrolled{border-color:var(--line);box-shadow:0 10px 30px -20px rgba(5,87,149,.4)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.nav .logo img{height:54px;width:auto}
.nav ul{display:flex;gap:34px}
.nav ul a{font:600 12.5px/1 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--ink);padding:10px 0;position:relative}
.nav ul a::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:100%;background:var(--blue);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.nav ul a:hover::after,.nav ul a.active::after{transform:scaleX(1);transform-origin:left}
.nav .btn{padding:14px 24px}
.burger{display:none;width:48px;height:48px;border-radius:50%;background:var(--pale);place-items:center}
.burger span,.burger span::before{display:block;width:20px;height:2px;background:var(--blue);position:relative;transition:.3s}
.burger span::before{content:"";position:absolute;top:-6px}
.burger[aria-expanded=true] span{background:transparent}
.burger[aria-expanded=true] span::before{top:0;transform:rotate(45deg);box-shadow:0 0 0 0 transparent}
.burger[aria-expanded=true] span::after{content:"";position:absolute;left:0;top:0;width:20px;height:2px;background:var(--blue);transform:rotate(-45deg)}

/* Hero */
.hero{position:relative;background:linear-gradient(180deg,var(--pale) 0%,#eef6fb 60%,#fff 100%);padding:clamp(50px,7vw,100px) 0 clamp(50px,6vw,90px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 85% 20%,rgba(160,201,230,.55),transparent 70%),radial-gradient(40% 40% at 5% 90%,rgba(175,208,239,.5),transparent 70%)}
.hero .container{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}
.hero h1{font-size:clamp(38px,5.6vw,80px);font-weight:800;text-transform:uppercase;letter-spacing:-.015em;color:var(--blue)}
.hero h1 span{display:block;color:var(--ink)}
.hero h1 .thin{font-weight:300;letter-spacing:.02em}
.hero p.lead{font-size:clamp(16px,1.5vw,20px)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.hero-trust{display:flex;gap:28px;margin-top:46px;flex-wrap:wrap;padding-top:30px;border-top:1px solid rgba(5,87,149,.18)}
.hero-trust div{display:flex;align-items:center;gap:12px;font:600 13px/1.3 var(--head);color:var(--ink)}
.hero-trust i{width:44px;height:44px;border-radius:50%;background:var(--sky);display:grid;place-items:center;box-shadow:inset 0 0 0 1.5px var(--blue)}
.hero-trust svg{width:22px;height:22px;stroke:var(--blue);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.hero-art{position:relative;aspect-ratio:1/1.02}
.hero-art .scene{position:absolute;inset:0;border-radius:36px 36px 0 0;overflow:hidden;box-shadow:var(--shadow);background:var(--interior)}
.hero-art .scene img{width:100%;height:100%;object-fit:cover;object-position:35% center}
.about-media .plate img,.panel .view img{width:100%;height:100%;object-fit:cover}
.float-card{position:absolute;background:#fff;border-radius:16px;padding:16px 20px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:center;animation:bob 6s ease-in-out infinite}
.float-card b{font:800 26px/1 var(--head);color:var(--blue);display:block}
.float-card small{font-size:12px;color:var(--slate);line-height:1.3;display:block}
.float-card i{width:44px;height:44px;border-radius:50%;background:var(--pale);display:grid;place-items:center}
.float-card i svg{width:22px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.fc1{left:-34px;bottom:90px}
.fc2{right:-18px;top:60px;animation-delay:-3s}
@keyframes bob{50%{transform:translateY(-12px)}}

/* Marquee */
.marquee{background:var(--blue);color:#fff;padding:20px 0;overflow:hidden;position:relative}
.marquee-track{display:flex;gap:56px;width:max-content;animation:slide 38s linear infinite;font:700 14px/1 var(--head);letter-spacing:.24em;text-transform:uppercase;white-space:nowrap}
.marquee-track span{display:inline-flex;align-items:center;gap:56px}
.marquee-track span::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--sky)}
@keyframes slide{to{transform:translateX(-50%)}}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,110px);align-items:center}
.about-media{position:relative}
.about-media .plate{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/5;background:var(--pale)}
.about-media .plate svg{width:100%;height:100%}
.badge-round{position:absolute;right:-30px;bottom:-30px;width:150px;height:150px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;text-align:center;box-shadow:var(--shadow)}
.badge-round b{font:800 40px/1 var(--head);display:block}
.badge-round small{font:600 10px/1.4 var(--head);letter-spacing:.2em;text-transform:uppercase}
.badge-round::before{content:"";position:absolute;inset:8px;border-radius:50%;border:1px dashed rgba(255,255,255,.5);animation:spin 30s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.values{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:38px}
.value{padding:22px;border-radius:var(--r-sm);background:var(--mist);border:1px solid var(--line);transition:.35s var(--ease)}
.value:hover{background:#fff;transform:translateY(-4px);box-shadow:var(--shadow)}
.value h4{font-size:15px;text-transform:uppercase;letter-spacing:.1em;color:var(--blue);margin-bottom:6px}
.value p{font-size:14px;line-height:1.55}

/* Services */
.services{background:var(--mist)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc{background:#fff;border-radius:var(--r);padding:38px 32px;border:1px solid var(--line);position:relative;overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .3s;display:flex;flex-direction:column}
.svc::before{content:"";position:absolute;inset:auto 0 0 0;height:0;background:linear-gradient(0deg,var(--blue),var(--blue-deep));transition:height .5s var(--ease);z-index:0}
.svc>*{position:relative;z-index:1;transition:color .4s}
.svc:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.svc:hover::before{height:100%}
.svc:hover h3,.svc:hover p,.svc:hover li,.svc:hover .num{color:#fff}
.svc:hover .ico{background:rgba(255,255,255,.16);box-shadow:inset 0 0 0 1.5px #fff}
.svc:hover .ico svg{stroke:#fff}
.svc .num{font:800 14px/1 var(--head);letter-spacing:.2em;color:var(--interior);position:absolute;top:34px;right:32px}
.ico{width:68px;height:68px;border-radius:50%;background:var(--sky);box-shadow:inset 0 0 0 1.5px var(--blue);display:grid;place-items:center;margin-bottom:26px;transition:.4s}
.ico svg{width:32px;height:32px;stroke:var(--blue);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:.4s}
.svc h3{font-size:19px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:12px}
.svc p{font-size:15px;margin-bottom:20px}
.svc ul{margin-top:auto;display:grid;gap:8px;font-size:14px}
.svc li{display:flex;gap:10px;align-items:center}
.svc li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue-deep);flex:none}
.svc:hover li::before{background:var(--sky)}

/* Specialties tabs */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.tab{padding:13px 24px;border-radius:999px;background:var(--mist);border:1px solid var(--line);font:700 12.5px/1 var(--head);letter-spacing:.12em;text-transform:uppercase;transition:.3s;min-height:46px}
.tab:hover{border-color:var(--blue)}
.tab[aria-selected=true]{background:var(--blue);color:#fff;border-color:var(--blue)}
.panel{display:none;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center;animation:fade .6s var(--ease)}
.panel.on{display:grid}
@keyframes fade{from{opacity:0;transform:translateY(16px)}}
.panel .view{border-radius:var(--r);overflow:hidden;aspect-ratio:16/11;box-shadow:var(--shadow);background:var(--pale)}
.panel .view svg{width:100%;height:100%}
.panel h3{font-size:clamp(24px,2.6vw,36px);text-transform:uppercase;margin-bottom:14px}
.panel .chk{display:grid;gap:12px;margin:24px 0 30px}
.panel .chk li{display:flex;gap:12px;align-items:flex-start}
.panel .chk svg{width:22px;height:22px;flex:none;margin-top:3px;stroke:var(--blue);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* Standards (dark) */
.dark{background:var(--navy);color:#b9d3e7;overflow:hidden}
.dark::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 60% at 90% 0,rgba(18,105,171,.55),transparent 70%),radial-gradient(40% 50% at 0 100%,rgba(5,87,149,.5),transparent 70%)}
.dark .container{position:relative}
.dark h2,.dark h3,.dark h4{color:#fff}
.dark .eyebrow{color:var(--sky)}
.dark .h2 em{color:var(--sky)}
.std-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(40px,6vw,90px);align-items:center}
.flow-card{background:rgba(255,255,255,.05);border:1px solid rgba(175,208,239,.25);border-radius:var(--r);padding:24px;backdrop-filter:blur(6px)}
.flow-card svg{width:100%;height:auto}
.flow-legend{display:flex;gap:22px;flex-wrap:wrap;margin-top:14px;font-size:13px}
.flow-legend i{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:8px;vertical-align:-1px}
.std-list{display:grid;gap:14px;margin-top:34px}
.std-item{display:flex;gap:18px;padding:20px 22px;border-radius:var(--r-sm);background:rgba(255,255,255,.05);border:1px solid rgba(175,208,239,.18);transition:.35s var(--ease)}
.std-item:hover{background:rgba(255,255,255,.1);transform:translateX(8px)}
.std-item .ico{margin:0;width:52px;height:52px;flex:none;background:rgba(175,208,239,.15);box-shadow:inset 0 0 0 1.5px var(--sky)}
.std-item .ico svg{width:24px;height:24px;stroke:var(--sky)}
.std-item h4{font-size:15px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}
.std-item p{font-size:14px;line-height:1.55}

/* Process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;counter-reset:s}
.steps::before{content:"";position:absolute;left:10%;right:10%;top:34px;height:2px;background:repeating-linear-gradient(90deg,var(--interior) 0 8px,transparent 8px 16px)}
.step{text-align:center;padding:0 16px;position:relative}
.step .dot{width:68px;height:68px;border-radius:50%;margin:0 auto 22px;background:#fff;border:2px solid var(--blue);display:grid;place-items:center;font:800 20px/1 var(--head);color:var(--blue);position:relative;z-index:1;transition:.4s var(--ease)}
.step:hover .dot{background:var(--blue);color:#fff;transform:scale(1.1)}
.step h4{font-size:15px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.step p{font-size:14px;line-height:1.6}
.step small{display:inline-block;margin-top:12px;font:700 11px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--blue-deep);background:var(--pale);padding:8px 12px;border-radius:99px}

/* Portfolio */
.filters{display:flex;gap:10px;flex-wrap:wrap}
.chip{padding:11px 20px;border-radius:99px;border:1px solid var(--line);font:700 12px/1 var(--head);letter-spacing:.12em;text-transform:uppercase;transition:.3s;min-height:44px;background:#fff}
.chip:hover{border-color:var(--blue)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.port-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.proj{grid-column:span 4;position:relative;border-radius:var(--r);overflow:hidden;background:var(--pale);aspect-ratio:4/5;cursor:pointer;transition:opacity .4s,transform .5s var(--ease);isolation:isolate}
.proj:nth-child(1),.proj:nth-child(4){grid-column:span 7;aspect-ratio:7/5}
.proj:nth-child(2),.proj:nth-child(3){grid-column:span 5;aspect-ratio:5/5}
.proj:nth-child(5),.proj:nth-child(6),.proj:nth-child(7){grid-column:span 4;aspect-ratio:4/4.6}
.proj:nth-child(8),.proj:nth-child(9){grid-column:span 6;aspect-ratio:6/4.4}
.proj.hide{display:none}
.proj img.art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.proj:hover img.art{transform:scale(1.07)}
.proj .cap{position:absolute;inset:auto 0 0 0;padding:70px 28px 26px;background:linear-gradient(0deg,rgba(6,38,63,.92),rgba(6,38,63,0));color:#fff;z-index:2}
.proj .cap small{font:700 11px/1 var(--head);letter-spacing:.2em;text-transform:uppercase;color:var(--sky)}
.proj .cap h3{font-size:21px;color:#fff;margin:8px 0 6px;text-transform:uppercase}
.proj .cap p{font-size:13.5px;opacity:.85;display:flex;gap:16px;flex-wrap:wrap}
.proj .go{position:absolute;top:22px;right:22px;width:52px;height:52px;border-radius:50%;background:#fff;display:grid;place-items:center;z-index:2;transform:scale(.6);opacity:0;transition:.4s var(--ease)}
.proj:hover .go{transform:scale(1);opacity:1}
.proj .go svg{width:20px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round}

/* Before/After */
.ba-wrap{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(30px,5vw,80px);align-items:center}
.ba{position:relative;aspect-ratio:16/10;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);user-select:none;touch-action:pan-y;--pos:50%}
.ba svg{position:absolute;inset:0;width:100%;height:100%}
.ba .after{clip-path:inset(0 0 0 var(--pos))}
.ba .tag{position:absolute;top:18px;padding:8px 14px;border-radius:99px;font:700 11px/1 var(--head);letter-spacing:.18em;text-transform:uppercase;background:rgba(255,255,255,.92);color:var(--ink);z-index:3}
.ba .tag.b{left:18px}.ba .tag.a{right:18px;background:var(--blue);color:#fff}
.ba .bar{position:absolute;top:0;bottom:0;left:var(--pos);width:3px;background:#fff;transform:translateX(-50%);z-index:4;pointer-events:none}
.ba .bar::after{content:"";position:absolute;top:50%;left:50%;width:54px;height:54px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);box-shadow:var(--shadow);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23055795' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 7l-5 5 5 5M16 7l5 5-5 5'/%3E%3C/svg%3E");background-size:26px;background-position:center;background-repeat:no-repeat}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:5;margin:0}
.ba input:focus-visible+.bar::after{outline:3px solid var(--blue-deep);outline-offset:3px}

/* Stats */
.stats{background:linear-gradient(120deg,var(--blue),var(--blue-deep));color:#fff;padding:70px 0}
.stats .container{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;text-align:center}
.stat b{font:800 clamp(40px,5vw,66px)/1 var(--head);display:block}
.stat small{font:600 12px/1.5 var(--head);letter-spacing:.2em;text-transform:uppercase;opacity:.85;display:block;margin-top:10px}
.stat+.stat{border-left:1px solid rgba(255,255,255,.22)}

/* Estimator */
.est{background:var(--mist)}
.est-card{display:grid;grid-template-columns:1.2fr 1fr;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);background:#fff}
.est-form{padding:clamp(28px,4vw,56px);display:grid;gap:30px}
.field label,.field legend{display:block;font:700 12px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--ink);margin-bottom:14px}
fieldset{border:0}
.opts{display:flex;gap:10px;flex-wrap:wrap}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt span{display:inline-flex;align-items:center;padding:13px 20px;border-radius:99px;border:1.5px solid var(--line);font:600 14px/1 var(--body);cursor:pointer;transition:.25s;min-height:46px}
.opt:hover span{border-color:var(--blue)}
.opt input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff}
.opt input:focus-visible+span{outline:3px solid var(--blue-deep);outline-offset:3px}
.range-row{display:flex;align-items:center;gap:20px}
.range-row output{font:800 28px/1 var(--head);color:var(--blue);min-width:110px;text-align:right}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:9px;background:linear-gradient(90deg,var(--blue) var(--fill,30%),var(--pale) var(--fill,30%));outline-offset:6px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;background:#fff;border:6px solid var(--blue);box-shadow:0 4px 12px rgba(5,87,149,.4);cursor:grab}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#fff;border:6px solid var(--blue);cursor:grab}
.est-result{background:linear-gradient(160deg,var(--navy),var(--blue));color:#fff;padding:clamp(28px,4vw,56px);display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.est-result::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;border:1px solid rgba(255,255,255,.12);right:-120px;bottom:-120px;box-shadow:0 0 0 50px rgba(255,255,255,.03),0 0 0 100px rgba(255,255,255,.03)}
.est-result small{font:700 11px/1 var(--head);letter-spacing:.24em;text-transform:uppercase;color:var(--sky)}
.est-result .price{font:800 clamp(30px,3.6vw,48px)/1.15 var(--head);margin:14px 0 6px}
.est-result .note{font-size:13px;opacity:.8;margin-bottom:24px}
.break{display:grid;gap:12px;margin-bottom:30px;position:relative;z-index:1}
.break div{display:grid;gap:6px;font-size:13.5px}
.break div span{display:flex;justify-content:space-between}
.break i{display:block;height:6px;border-radius:9px;background:rgba(255,255,255,.14);overflow:hidden}
.break i b{display:block;height:100%;background:var(--sky);border-radius:9px;transition:width .6s var(--ease)}
.est-result .btn{position:relative;z-index:1;align-self:flex-start}

/* Testimonials */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{padding:36px 32px;border-radius:var(--r);background:#fff;border:1px solid var(--line);position:relative;transition:.4s var(--ease)}
.quote:hover{box-shadow:var(--shadow);transform:translateY(-6px)}
.quote::before{content:"“";font:800 90px/1 var(--head);color:var(--sky);position:absolute;top:16px;right:26px}
.stars{display:flex;gap:3px;margin-bottom:18px}
.stars svg{width:18px;height:18px;fill:var(--gold)}
.quote p{font-size:15.5px;color:var(--ink);margin-bottom:26px}
.who{display:flex;gap:14px;align-items:center}
.who i{width:50px;height:50px;border-radius:50%;background:var(--pale);display:grid;place-items:center;font:800 17px/1 var(--head);color:var(--blue);font-style:normal;box-shadow:inset 0 0 0 1.5px var(--sky)}
.who b{display:block;font:700 14px/1.3 var(--head);color:var(--ink)}
.who small{font-size:13px}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,6vw,100px)}
details{border-bottom:1px solid var(--line);padding:6px 0}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font:700 17px/1.4 var(--head);color:var(--ink);min-height:48px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";flex:none;width:38px;height:38px;border-radius:50%;background:var(--pale);display:grid;place-items:center;font:400 24px/1 var(--head);color:var(--blue);transition:.35s var(--ease)}
details[open] summary::after{transform:rotate(45deg);background:var(--blue);color:#fff}
details p{padding:0 60px 24px 0;animation:fade .5s var(--ease)}

/* CTA + Contact */
.cta{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 100% 0,rgba(18,105,171,.7),transparent 65%),radial-gradient(40% 60% at 0 100%,rgba(175,208,239,.18),transparent 70%)}
.cta .container{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,100px);align-items:start}
.cta h2{color:#fff}.cta h2 em{color:var(--sky)}.cta .eyebrow{color:var(--sky)}
.cta .lead{color:#cfe3f3}
.contact-list{display:grid;gap:16px;margin-top:40px}
.contact-list>a,.contact-list>div{display:flex;gap:16px;align-items:center;padding:16px 20px;border-radius:var(--r-sm);background:rgba(255,255,255,.07);border:1px solid rgba(175,208,239,.2);transition:.3s}
.contact-list>a:hover{background:rgba(255,255,255,.14)}
.contact-list i{width:46px;height:46px;border-radius:50%;background:var(--sky);display:grid;place-items:center;flex:none}
.contact-list svg{width:22px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.contact-list small{font:700 10.5px/1 var(--head);letter-spacing:.22em;text-transform:uppercase;color:var(--sky);display:block;margin-bottom:5px}
.contact-list b{font-weight:600;color:#fff}
.form{background:#fff;color:var(--slate);border-radius:28px;padding:clamp(28px,4vw,48px);box-shadow:0 40px 80px -30px rgba(0,0,0,.5)}
.form h3{font-size:24px;text-transform:uppercase;margin-bottom:6px}
.form>p{font-size:14px;margin-bottom:26px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.in{margin-bottom:16px}
.in label{display:block;font:700 11px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--ink);margin-bottom:8px}
.in input,.in select,.in textarea{width:100%;padding:15px 16px;border:1.5px solid var(--line);border-radius:var(--r-sm);font:inherit;font-size:16px;color:var(--ink);background:var(--mist);transition:.25s;min-height:50px}
.in textarea{resize:vertical;min-height:110px}
.in input:focus,.in select:focus,.in textarea:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(5,87,149,.12)}
.in .err{display:none;color:#b3261e;font-size:13px;margin-top:6px}
.in.bad input{border-color:#b3261e}.in.bad .err{display:block}
.form .btn{width:100%;justify-content:center}
.form .ok{display:none;text-align:center;padding:30px 0}
.form .ok svg{width:64px;margin:0 auto 16px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.form.sent .ok{display:block}.form.sent .fields{display:none}

/* Footer */
footer{background:var(--ink);color:#8fb0c8;padding:80px 0 30px;font-size:14.5px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(175,208,239,.15)}
.foot img{height:60px;width:auto;margin-bottom:20px}
.foot h4{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:#fff;margin-bottom:20px}
.foot li{margin-bottom:11px}
.foot a:hover{color:#fff}
.legal{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;font-size:13px}
.legal small{opacity:.85}

/* Floating actions */
.fab{position:fixed;right:20px;bottom:20px;z-index:60;display:grid;gap:12px}
.fab a{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;box-shadow:0 12px 28px -8px rgba(5,87,149,.6);transition:.3s var(--ease)}
.fab a:hover{transform:scale(1.1)}
.fab .call{background:var(--blue);animation:pulse 2.4s infinite}
.fab .zalo{background:#fff;color:var(--blue);font:800 15px/1 var(--head);border:2px solid var(--blue)}
.fab svg{width:26px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(5,87,149,.5)}70%{box-shadow:0 0 0 20px rgba(5,87,149,0)}100%{box-shadow:0 0 0 0 rgba(5,87,149,0)}}
.progress{position:fixed;top:0;left:0;height:3px;background:var(--blue-deep);width:0;z-index:100}

/* Reveal */
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.rv.in-view{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}

/* Responsive */
@media (max-width:1100px){
  .svc-grid,.quotes{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr 1fr;row-gap:40px}.steps::before{display:none}
  .foot{grid-template-columns:1fr 1fr}
  .proj:nth-child(n){grid-column:span 6;aspect-ratio:4/4.4}
}
@media (max-width:900px){
  .nav ul,.nav>.container>.btn{display:none}
  .burger{display:grid}
  .nav ul.open{display:flex;flex-direction:column;position:absolute;top:78px;left:0;right:0;background:#fff;padding:20px 24px 30px;gap:6px;border-bottom:1px solid var(--line);box-shadow:0 30px 40px -20px rgba(5,87,149,.3)}
  .nav ul.open a{display:block;padding:16px 0;font-size:14px}
  .hero .container,.about-grid,.panel.on,.std-grid,.ba-wrap,.est-card,.faq-grid,.cta .container{grid-template-columns:1fr}
  .hero-art{max-width:560px;margin-inline:auto;width:100%}.fc1{left:-8px}.fc2{right:-4px}
  .about-media{max-width:480px}.badge-round{right:-10px;width:120px;height:120px}.badge-round b{font-size:30px}
  .stats .container{grid-template-columns:1fr;row-gap:36px}.stat+.stat{border-left:0}
  .topbar .container>span:last-child{display:none}
}
@media (max-width:640px){
  .container{width:min(var(--container),100% - 32px)}
  .svc-grid,.quotes,.values,.row2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .proj:nth-child(n){grid-column:span 12}
  .foot{grid-template-columns:1fr}
  .hero-trust{gap:18px}
  .float-card{padding:12px 14px}.float-card b{font-size:20px}
  .legal{flex-direction:column}
  details p{padding-right:0}
  .fab a{width:52px;height:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}

/* Photo strip */
.strip{overflow:hidden;margin-top:-10px;-webkit-mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.strip-track{display:flex;gap:20px;width:max-content;animation:slide 70s linear infinite}
.strip:hover .strip-track{animation-play-state:paused}
.strip figure{position:relative;width:clamp(240px,26vw,380px);aspect-ratio:4/5;border-radius:var(--r);overflow:hidden;flex:none}
.strip img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.strip figure:hover img{transform:scale(1.06)}
.strip figcaption{position:absolute;left:16px;bottom:16px;padding:8px 14px;border-radius:99px;background:rgba(255,255,255,.92);font:700 11px/1 var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.proj{background:var(--ink)}
.proj:focus-visible{outline-offset:4px}
/* Lightbox */
.lb{position:fixed;inset:0;z-index:200;background:rgba(5,16,26,.96);display:grid;grid-template-columns:72px 1fr 72px;grid-template-rows:auto 1fr auto;align-items:center}
.lb[hidden]{display:none}
.lb-top{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;padding:18px 24px;color:#fff}
.lb-top b{font:700 15px/1.3 var(--head);display:block;letter-spacing:.04em}
.lb-top small{color:var(--sky);font-size:13px}
.lb-x,.lb-nav{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;display:grid;place-items:center;font-size:18px;transition:.25s;justify-self:center}
.lb-x:hover,.lb-nav:hover{background:var(--blue)}
.lb-nav svg{width:24px}
.lb-stage{height:100%;min-height:0;display:grid;place-items:center;padding:0 0 8px}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;transition:opacity .3s}
.lb-stage img.swap{opacity:.25}
.lb-thumbs{grid-column:1/-1;display:flex;gap:8px;overflow-x:auto;padding:12px 24px 18px;scrollbar-width:thin}
.lb-thumbs button{flex:none;width:86px;height:58px;border-radius:8px;overflow:hidden;opacity:.5;transition:.25s;outline-offset:2px}
.lb-thumbs button.on,.lb-thumbs button:hover{opacity:1;box-shadow:0 0 0 2px var(--sky)}
.lb-thumbs img{width:100%;height:100%;object-fit:cover}
@media (max-width:700px){.lb{grid-template-columns:1fr 1fr;grid-template-rows:auto 1fr auto auto}.lb-stage{grid-column:1/-1;grid-row:2}.lb-nav.prev{grid-row:3;grid-column:1}.lb-nav.next{grid-row:3;grid-column:2}.lb-thumbs{grid-row:4}}

/* 3D masonry */
.masonry{column-count:4;column-gap:18px}
.m3{display:block;width:100%;margin:0 0 18px;border-radius:var(--r-sm);overflow:hidden;position:relative;break-inside:avoid;background:var(--pale);cursor:pointer;padding:0;line-height:0}
.m3 img{width:100%;height:auto;transition:transform .9s var(--ease)}
.m3:hover img{transform:scale(1.05)}
.m3 .go{position:absolute;top:14px;right:14px;width:44px;height:44px;border-radius:50%;background:#fff;display:grid;place-items:center;transform:scale(.6);opacity:0;transition:.4s var(--ease)}
.m3:hover .go,.m3:focus-visible .go{transform:scale(1);opacity:1}
.m3 .go svg{width:18px;stroke:var(--blue);fill:none;stroke-width:2;stroke-linecap:round}
@media (max-width:1100px){.masonry{column-count:3}}
@media (max-width:700px){.masonry{column-count:2;column-gap:12px}.m3{margin-bottom:12px}}
/* Sterile workflow gallery */
.vk-wrap{margin-top:clamp(50px,6vw,90px)}
.vk-title{font-size:clamp(20px,2.4vw,30px);text-transform:uppercase;margin-bottom:28px}
.vk-title em{font-style:normal;color:var(--sky)}
.vk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.vk{display:block;padding:0;border-radius:var(--r);overflow:hidden;background:#fff;text-align:left;cursor:pointer;transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.vk:hover{transform:translateY(-8px);box-shadow:0 30px 50px -20px rgba(0,0,0,.6)}
.vk img{width:100%;height:auto;aspect-ratio:1}
.vk span{display:block;padding:14px 16px 16px;font:700 12px/1.4 var(--head);letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}
@media (max-width:1000px){.vk-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.vk-grid{gap:12px}.vk span{font-size:11px;padding:10px 12px 12px}}

@view-transition{navigation:auto}
/* Hero fullscreen */
.hero2{position:relative;height:calc(100svh - 114px);min-height:560px;display:flex;align-items:flex-end;overflow:hidden;color:#fff;background:var(--navy)}
.hero2-media{position:absolute;inset:0;overflow:hidden}
.hero2-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);will-change:transform;animation:heroZoom 12s var(--ease) forwards}
@keyframes heroZoom{from{transform:scale(1.14)}to{transform:scale(1.04)}}
.hero2-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,38,63,.35) 0%,rgba(6,38,63,.15) 38%,rgba(6,38,63,.88) 100%)}
.hero2-inner{position:relative;z-index:1;padding-bottom:clamp(40px,9vh,90px)}
.hero2 .eyebrow{color:var(--sky)}
.hero2 h1{color:#fff;font-size:clamp(38px,7vw,98px);font-weight:800;text-transform:uppercase;letter-spacing:-.015em;line-height:1}
.hero2 h1 em{font-style:normal;color:var(--sky)}
.hero2-sub{max-width:640px;font-size:clamp(16px,1.5vw,20px);margin-top:26px;color:#dbeaf6}
.hero2-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero2-inner>*{opacity:0;transform:translateY(24px);animation:heroIn .9s var(--ease) forwards}
.hero2-inner>:nth-child(2){animation-delay:.12s}.hero2-inner>:nth-child(3){animation-delay:.26s}.hero2-inner>:nth-child(4){animation-delay:.4s}
@keyframes heroIn{to{opacity:1;transform:none}}
@media (max-width:640px){.hero2{height:calc(100svh - 130px)}}
@media (prefers-reduced-motion:reduce){.hero2-media img{animation:none;transform:none}.hero2-inner>*{animation:none;opacity:1;transform:none}}
/* Packages */
.pk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.pk{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:38px 32px;display:flex;flex-direction:column;transition:.4s var(--ease)}
.pk:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.pk h3{font-size:26px;text-transform:uppercase;margin-bottom:8px}
.pk-for{font-size:15px;margin-bottom:22px;min-height:48px}
.pk ul{display:grid;gap:12px;margin-bottom:30px;font-size:15px;flex:1}
.pk li{display:flex;gap:10px;align-items:flex-start}
.pk li::before{content:"";width:18px;height:18px;flex:none;margin-top:4px;border-radius:50%;background:var(--sky) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23055795' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat}
.pk--hot{background:linear-gradient(170deg,var(--navy),var(--blue));color:#d4e6f4;border-color:transparent;transform:translateY(-14px)}
.pk--hot:hover{transform:translateY(-22px)}
.pk--hot h3{color:#fff}
.pk--hot li::before{background-color:rgba(175,208,239,.25)}
.pk-tag{position:absolute;top:-14px;left:32px;background:var(--sky);color:var(--navy);font:800 11px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;padding:9px 16px;border-radius:99px}
.pk .btn{justify-content:center}
.pk--hot .btn{--bg:#fff;--fg:var(--blue)}
@media (max-width:900px){.pk-grid{grid-template-columns:1fr}.pk--hot{transform:none}.pk--hot:hover{transform:translateY(-8px)}.pk-for{min-height:0}}
/* Knowledge */
.kt-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.kt{display:grid;grid-template-columns:42% 1fr;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;transition:.4s var(--ease)}
.kt:hover{box-shadow:var(--shadow);transform:translateY(-6px)}
.kt img{width:100%;height:100%;object-fit:cover;min-height:220px}
.kt div{padding:26px 26px 24px;display:flex;flex-direction:column;gap:10px}
.kt small{font:700 11px/1 var(--head);letter-spacing:.2em;text-transform:uppercase;color:var(--blue-deep)}
.kt h3{font-size:18px;line-height:1.35}
.kt span{margin-top:auto;font:700 12px/1 var(--head);letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
@media (max-width:900px){.kt-grid{grid-template-columns:1fr}}
@media (max-width:480px){.kt{grid-template-columns:1fr}.kt img{min-height:0;aspect-ratio:3/2}}
/* Company info */
.co-info{padding:26px 0;font-size:13px;line-height:1.9;border-bottom:1px solid rgba(175,208,239,.15);color:#8fb0c8}
.co-info b{color:#fff;letter-spacing:.04em}
.co-info a{text-decoration:underline}
.nav ul{gap:26px}
.nav ul a{white-space:nowrap}
.hero2 .eyebrow{text-shadow:0 1px 12px rgba(6,38,63,.7)}
@media (max-width:1240px){
  .nav ul,.nav>.container>.btn{display:none}
  .burger{display:grid}
  .nav ul.open{display:flex;flex-direction:column;position:absolute;top:78px;left:0;right:0;background:#fff;padding:20px 24px 30px;gap:6px;border-bottom:1px solid var(--line);box-shadow:0 30px 40px -20px rgba(5,87,149,.3)}
  .nav ul.open a{display:block;padding:16px 0;font-size:14px}
}

/* Design pricing page */
.dp-hero{background:linear-gradient(180deg,var(--pale),#fff);padding:clamp(60px,9vw,120px) 0 clamp(40px,6vw,70px)}
.dp-hero h1{font-size:clamp(30px,5vw,64px);font-weight:800;text-transform:uppercase;max-width:980px}
.dp-hero h1 em{font-style:normal;color:var(--blue)}
.dp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dp-area{font:700 12px/1 var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--blue-deep);margin-bottom:20px}
.pk--hot .dp-area{color:var(--sky)}
.dp-price{margin-bottom:18px}.dp-price b{display:block;font:800 clamp(24px,2.6vw,32px)/1.1 var(--head)}.dp-price small{font-size:13px;opacity:.8}
.dp-card.dp-on{box-shadow:0 0 0 3px var(--blue)}
.dp-inc{display:flex;gap:14px 36px;flex-wrap:wrap;margin-top:30px;font-weight:500;color:var(--ink)}
.dp-inc li{display:flex;gap:10px;align-items:center}.dp-inc li::before{content:"✓";width:24px;height:24px;border-radius:50%;background:var(--sky);color:var(--blue);display:grid;place-items:center;font-size:13px;font-weight:800;flex:none}
.dp-note{margin-top:16px;font-size:13px}
.calc{margin-top:54px;background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,4vw,44px)}
.calc h3{font-size:22px;text-transform:uppercase;margin-bottom:22px}
.calc-row{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:end;margin-bottom:10px}
.calc-pk{padding-bottom:20px}
.calc-out{padding:22px 26px;background:#fff;border-radius:var(--r-sm);border:1px solid var(--line);margin-bottom:6px}
.calc-out small{font:700 11px/1 var(--head);letter-spacing:.2em;text-transform:uppercase;color:var(--blue-deep)}
.calc-out b{display:block;font:800 clamp(26px,3.4vw,42px)/1.2 var(--head);color:var(--blue);margin-top:8px}
.calc .btn{margin-top:14px}
.ad-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ad{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;display:flex;flex-direction:column;gap:10px}
.ad h3{font-size:18px}.ad p{font-size:15px;flex:1}.ad b{font:800 24px/1.2 var(--head);color:var(--blue)}
.ad--hot{background:var(--blue);border-color:var(--blue);color:#d9eaf7}.ad--hot h3,.ad--hot b{color:#fff}
.gs-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}
.gs{border:1px solid var(--line);border-radius:var(--r);padding:34px;background:var(--mist)}
.gs h3{font-size:20px;text-transform:uppercase;margin-bottom:12px}
.gs-price{font:800 clamp(26px,3vw,38px)/1.2 var(--head);color:var(--blue)}.gs-price small{font:500 14px var(--body);color:var(--slate)}
.gs ul{margin-top:20px}.gs li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid var(--line);font-size:15px}.gs li b{color:var(--ink);white-space:nowrap}
.st8-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.st8{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px}
.st8 b{font:800 30px/1 var(--head);color:var(--interior);display:block;margin-bottom:14px}
.st8 h4{font-size:15px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}.st8 p{font-size:14px;line-height:1.6}
.st8--key{background:var(--navy);border-color:var(--navy);color:#b9d3e7}.st8--key b{color:var(--sky)}.st8--key h4{color:#fff}
@media (max-width:1000px){.st8-grid{grid-template-columns:1fr 1fr}.gs-grid,.ad-grid,.dp-grid{grid-template-columns:1fr}.dp-card[data-id=nang-cao]{order:-1}.calc-row{grid-template-columns:1fr}.calc-pk{padding-bottom:0}}
@media (max-width:560px){.st8-grid{grid-template-columns:1fr}}

.sub-h{font-size:clamp(20px,2.4vw,28px);text-transform:uppercase;margin:clamp(48px,6vw,80px) 0 24px;display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.sub-h small{font:500 14px var(--body);text-transform:none;color:var(--slate)}
.services .dp-card:not(.pk--hot){background:#fff}
/* 3D categories */
.r3d-chips{margin:-10px 0 40px}
.r3d-group{margin-top:clamp(40px,5vw,70px);scroll-margin-top:100px}
.r3d-title{font-size:clamp(20px,2.4vw,30px);text-transform:uppercase;display:flex;align-items:baseline;gap:14px;margin-bottom:22px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.r3d-title span{font:800 14px var(--head);letter-spacing:.2em;color:var(--blue-deep)}
.r3d-title small{margin-left:auto;font:500 13px var(--body);text-transform:none;color:var(--slate)}
.nav .btn{white-space:nowrap}
.refbadge{position:absolute;left:10px;bottom:10px;background:rgba(255,255,255,.92);color:var(--ink);font:700 10px/1 var(--head);letter-spacing:.14em;text-transform:uppercase;padding:7px 10px;border-radius:99px;line-height:1}
.r3d-note{margin-top:34px;font-size:13.5px;max-width:760px}

/* 3D block: 1 ảnh dọc lớn + 6 ảnh nhỏ */
.r3d-block{display:grid;grid-template-columns:repeat(5,1fr);grid-auto-rows:minmax(0,1fr);gap:16px;margin-bottom:16px}
.r3d-block .m3{margin:0;aspect-ratio:1/1.12;height:100%;break-inside:auto}
.r3d-block .m3 img{width:100%;height:100%;object-fit:cover}
.r3d-block .m3--big{grid-column:1/3;grid-row:1/3;aspect-ratio:auto}
.r3d-block.flip .m3--big{grid-column:4/6}
.r3d-block.flip .m3:not(.m3--big){grid-column:auto}
@media (max-width:900px){.r3d-block{grid-template-columns:repeat(3,1fr);gap:12px}.r3d-block .m3--big,.r3d-block.flip .m3--big{grid-column:1/-1;grid-row:auto;aspect-ratio:4/5}}
@media (max-width:560px){.r3d-block{grid-template-columns:1fr 1fr}}

.r3d-morewrap{text-align:center;margin:22px 0 6px}.r3d-morewrap small{font:500 13px var(--body);text-transform:none;letter-spacing:0;opacity:.8}.r3d-extra[hidden]{display:none}
/* Mobile polish */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
.foot li a,.co-info a,.topbar a{display:inline-block;padding:9px 0}
.co-info a{padding:6px 0}
.nav ul.open{max-height:calc(100svh - 84px);overflow-y:auto;overscroll-behavior:contain}
@media (max-width:640px){
  .hero2 h1{font-size:clamp(30px,8.6vw,98px);line-height:1.04}
  .hero2-sub{font-size:16px;margin-top:18px}
  .hero2-row .btn{width:100%;justify-content:center}
  .hero2{min-height:600px}
  .section{padding:clamp(56px,14vw,72px) 0}
  .h2{font-size:clamp(26px,7.4vw,40px)}
  .sec-head{gap:20px;margin-bottom:32px}
  .btn{padding:16px 24px;min-height:50px}
  .r3d-chips{flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding:0 16px 6px;scrollbar-width:none}
  .r3d-chips::-webkit-scrollbar{display:none}
  .r3d-chips .chip{white-space:nowrap;flex:none}
  .r3d-title{font-size:20px}
  .r3d-morewrap .btn{width:100%;justify-content:center}
  .tabs{flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding:0 16px 6px;scrollbar-width:none}
  .tab{white-space:nowrap;flex:none}
  .fab{right:12px;bottom:12px}
  .lb-top{padding:12px 16px}
  .pk{padding:30px 24px}
  .est-form,.est-result{padding:26px 20px}
  .calc{padding:22px 18px}
  .form{padding:26px 18px}
  footer{padding-top:56px}
}
@media (max-width:640px){.pk-tag,.vk span,.step small,.refbadge{font-size:12px}}

/* Portfolio pattern (lặp mỗi 9 thẻ) + Xem thêm */
@media (min-width:1101px){
  .proj:nth-child(9n+1),.proj:nth-child(9n+4){grid-column:span 7;aspect-ratio:7/5}
  .proj:nth-child(9n+2),.proj:nth-child(9n+3){grid-column:span 5;aspect-ratio:5/5}
  .proj:nth-child(9n+5),.proj:nth-child(9n+6),.proj:nth-child(9n+7){grid-column:span 4;aspect-ratio:4/4.6}
  .proj:nth-child(9n+8),.proj:nth-child(9n+9){grid-column:span 6;aspect-ratio:6/4.4}
}
.proj-morewrap{text-align:center;margin-top:30px}.proj-morewrap[hidden]{display:none}
@media (max-width:640px){.proj-morewrap .btn{width:100%;justify-content:center}}