:root{
  --accent:#b98a2e; --ink:#000; --grey:#6c6c6c; --light:#f5f5f5; --line:#ececec;
  --display:'Anton',sans-serif; --body:'Be Vietnam Pro',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);font-size:16px;color:var(--ink);background:#fff;line-height:1.4;overflow-x:hidden}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.container{width:min(1140px,calc(100% - 40px));margin-inline:auto}
.center{text-align:center}
section{padding-block:72px}

/* type */
.section-title,.hero__title,h3,.counter,.logo__text{font-family:var(--display);font-weight:400}
.section-title{font-size:44px;line-height:1.15;margin:16px 0 18px}
.lead{color:var(--grey);font-size:16px;max-width:560px;line-height:1.4}
.center .lead{margin-inline:auto}
.muted{color:#a3a3a3}
.tag{font-family:var(--display);color:var(--accent);font-size:14px;display:inline-flex;align-items:center;gap:6px}
.tag::before{content:"";width:9px;height:9px;border:2px solid var(--accent);border-radius:50%}

/* button */
.btn{display:inline-flex;align-items:center;gap:12px;background:var(--accent);color:#fff;font-weight:500;font-size:16px;height:46px;padding:0 6px 0 12px;transition:.25s;white-space:nowrap}
.btn__arrow{background:#fff;color:var(--accent);width:34px;height:34px;display:grid;place-items:center;font-size:18px;transition:.25s}
.btn:hover{background:#9c7222}
.btn:hover .btn__arrow{transform:translateX(3px)}
.btn--wide{width:332px;justify-content:space-between;padding-left:0;height:58px}
.btn--wide{padding-left:70px}
.btn--wide .btn__arrow{height:44px;width:44px}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);height:78px;display:flex;align-items:center}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:46px;position:relative}
.nav__links{display:flex;gap:24px;color:rgba(0,0,0,.7);font-weight:500;position:absolute;left:396px}
.nav__links a:hover{color:var(--accent)}
.logo{display:flex;align-items:center;gap:8px;height:56px}
.logo__mark{width:38px;height:38px;border-radius:50%;background:#000;position:relative}
.logo__mark::after{content:"";position:absolute;inset:11px;border:2px solid #fff;border-radius:3px}
.logo__text{font-size:28px;line-height:1}
.logo--light .logo__mark{background:#fff}.logo--light .logo__mark::after{border-color:#000}

/* hero */
.hero{padding-top:154px;padding-bottom:0}
.hero__top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;margin-bottom:56px;padding-inline:15px}
.hero__title{font-size:52px;line-height:62px;text-transform:uppercase;width:600px}
.hero__side{width:250px;color:var(--grey);font-size:16px;display:flex;flex-direction:column;gap:22px;margin-right:50px;margin-top:6px}
.marquee{overflow:hidden;width:100%}
.marquee__track{display:flex;width:max-content;animation:scroll 40s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.marquee--cards{padding-inline:15px}
.marquee--cards .marquee__track{gap:16px;padding-right:16px}
.card{width:273px;flex:none}
.card img{width:100%;height:344px}
.card figcaption{display:flex;justify-content:space-between;align-items:baseline;margin-top:10px;font-size:16px;color:var(--grey);gap:8px;white-space:nowrap}
.card figcaption b{font-family:var(--display);font-weight:400;font-size:20px;color:#000}

/* logos */
.logos{text-align:center;padding-block:100px 70px}
.logos__title{font-size:24px;margin-bottom:22px}
.marquee--logos{-webkit-mask-image:linear-gradient(90deg,transparent,#000 20%,#000 80%,transparent);mask-image:linear-gradient(90deg,transparent,#000 20%,#000 80%,transparent)}
.marquee--logos .marquee__track{gap:68px;padding-right:68px;animation-duration:25s}
.marquee--logos span{color:#9a9a9a;font-weight:600;font-size:22px;white-space:nowrap}

/* about */
.about{display:grid;grid-template-columns:562px 1fr;gap:48px;align-items:center;padding-block:60px 90px}
.about__img{width:100%;height:539px}
.about__body .section-title{font-size:44px;margin-block:26px 24px}
.about__body .lead{font-size:16px;max-width:430px}
.stats{display:flex;gap:56px;margin-top:44px}
.stats b{display:block;font-size:40px;line-height:1.15;font-weight:400}
.stats span{font-size:18px}

/* cases */
.projects{padding-top:0}
.projects__grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px;margin-top:60px;align-items:start}
.projects__col{display:flex;flex-direction:column;gap:56px}
.projects__col--offset{padding-top:26px}
.project img{width:100%}
.project figcaption{display:flex;justify-content:space-between;align-items:baseline;margin-top:10px;color:var(--grey);font-size:16px}
.project figcaption b{font-size:28px;color:#000}

/* services */
.services__head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:56px}
.services__head .section-title{max-width:520px}
.services__head .lead{font-size:16px;max-width:340px;margin-bottom:14px}
.service{display:grid;grid-template-columns:90px 400px 327px 1fr;gap:0 20px;align-items:start;padding:34px 0;border-bottom:1px solid var(--line)}
.service__no{font-family:var(--display);font-size:20px;padding-left:24px}
.service h3{font-size:28px;margin-bottom:14px}
.service p{color:var(--grey);font-size:16px;max-width:300px}
.service img{width:327px;height:252px}
.service ul{align-self:end;color:var(--grey);font-size:16px;display:grid;gap:9px;padding-left:12px}
.service li::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:10px;vertical-align:middle}

/* impact */
.impact{background:#0a0a0a radial-gradient(ellipse at 20% 40%,#2a2a2a,transparent 60%),repeating-linear-gradient(115deg,#0d0d0d 0 48px,#1c1c1c 48px 96px);color:#fff;padding-block:90px}
.impact__inner{display:flex;justify-content:space-between;gap:40px;align-items:flex-start}
.impact .section-title{font-size:44px;max-width:520px}
.impact .lead{color:#c5c5c5;font-size:18px;max-width:300px}
.impact__cards{display:grid;gap:18px;width:364px}
.glass{background:rgba(120,120,120,.4);backdrop-filter:blur(6px);padding:20px 12px}
.glass .counter{font-family:var(--body);font-size:44px;font-weight:500;display:block;margin-bottom:28px;line-height:1.2}
.glass h4{font-size:22px;font-weight:500}
.glass p{color:#d6d6d6;font-size:16px;max-width:240px}

/* pricing */
.plan{display:grid;grid-template-columns:570px 1fr;background:var(--light);margin-top:10px}
.plan__body{padding:20px 24px 24px}
.plan__tabs{display:flex;gap:24px;margin-bottom:26px}
.plan__tabs button{font-family:var(--display);font-size:30px;color:#aaa;transition:.2s}
.plan__tabs button.is-active{color:#000}
.plan__price b{font-family:var(--display);font-size:34px;font-weight:400}
.plan__price span{color:var(--grey);font-size:16px}
.plan h4{margin:30px 0 16px;font-weight:500;font-size:20px}
.checks{display:grid;gap:12px;margin-bottom:30px;font-size:16px}
.checks li{display:flex;align-items:center;gap:12px}
.checks li::before{content:"✓";width:17px;height:17px;border:1.5px solid var(--accent);color:var(--accent);border-radius:50%;font-size:10px;display:grid;place-items:center;flex:none}
.plan img{width:100%;height:100%;min-height:485px}

/* process */
.process__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.process__grid img{width:100%;height:100%;min-height:276px}
.step{background:var(--light);padding:20px 22px;min-height:276px;display:flex;flex-direction:column}
.step__top{display:flex;justify-content:space-between;font-family:var(--display);font-size:16px}
.step .icon{font-size:30px;color:#444;font-family:var(--body);line-height:1}
.step h3{font-size:26px;margin-top:auto;padding-top:18px;border-top:1px solid #e4e4e4}
.step p{color:var(--grey);font-size:16px;margin-top:8px}

/* team */
.team__stage{position:relative;display:flex;align-items:flex-end;justify-content:center;margin-top:64px;padding-inline:100px;min-height:390px}
.team__row{display:flex;gap:15px;align-items:flex-end}
.member{position:relative;width:293px;height:276px;transition:.4s;flex:none}
.member img{width:100%;height:100%}
.member.is-active{height:388px}
.member .info{display:none}
.member.is-active .info{display:block;position:absolute;left:100%;top:0;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.06);padding:12px 14px;white-space:nowrap}
.member b{display:block;font-weight:500;font-size:18px}
.member small{color:var(--accent);font-size:14px}
.arrow{position:absolute;bottom:0;width:78px;height:78px;border:1px solid #ccc;background:#fff;font-size:24px;transition:.2s}
.arrow:hover{background:#000;color:#fff}
#prev{left:0}#next{right:0}

/* faq */
.faq__list{width:min(677px,100%);margin:56px auto 0;display:grid;gap:24px}
.faq__item{background:var(--light)}
.faq__item button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:24px;font-family:var(--display);font-size:24px;text-align:left}
.faq__item i{width:22px;height:22px;position:relative;flex:none}
.faq__item i::before,.faq__item i::after{content:"";position:absolute;background:#000;left:50%;top:50%;transition:.25s}
.faq__item i::before{width:18px;height:2px;margin:-1px 0 0 -9px}
.faq__item i::after{width:2px;height:18px;margin:-9px 0 0 -1px}
.faq__item.is-open i::after{transform:scaleY(0)}
.faq__a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s}
.faq__a>p{overflow:hidden;color:var(--grey);font-size:16px;padding:0 24px;max-width:560px}
.faq__item.is-open .faq__a{grid-template-rows:1fr}
.faq__item.is-open .faq__a>p{padding-bottom:26px}

/* contact */
.contact__grid{display:grid;grid-template-columns:580px 1fr;gap:58px;margin-top:56px;align-items:start}
.contact__grid img{width:100%;height:485px}
form{display:grid;gap:16px}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:8px;font-family:var(--display);font-size:16px}
input,textarea{font:400 16px var(--body);background:var(--light);border:1px solid transparent;padding:0 18px;height:59px;width:100%;outline:0;transition:.2s}
textarea{height:153px;padding-block:16px;resize:vertical}
input:focus,textarea:focus{border-color:var(--accent);background:#fff}
input::placeholder,textarea::placeholder{color:#999}
form .btn{justify-self:start;margin-top:12px}
.form__msg{color:var(--accent);font-size:15px}

/* footer */
.footer{background:#000;color:#fff;padding-top:80px}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:60px}
.footer p{color:#9a9a9a;font-size:16px;margin-top:18px;max-width:360px}
.footer h5{font-family:var(--display);font-weight:400;color:var(--accent);font-size:16px;margin-bottom:16px;text-transform:uppercase}
.footer a:not(.logo){display:block;color:#c5c5c5;font-size:16px;margin-bottom:10px}
.footer a:not(.logo):hover{color:var(--accent)}
.footer__bottom{display:flex;justify-content:space-between;border-top:1px solid #222;padding-block:24px;color:#8a8a8a;font-size:14px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.marquee__track{animation:none}}

/* responsive */
@media(max-width:1000px){
  section{padding-block:48px}
  .nav__links{display:none}
  .hero{padding-top:110px}
  .hero__top,.services__head,.impact__inner{flex-direction:column;align-items:flex-start}
  .hero__title{font-size:34px;line-height:1.2;width:auto}
  .hero__side{margin:0;width:100%}
  .about,.projects__grid,.plan,.contact__grid{grid-template-columns:1fr}
  .about__img,.contact__grid img{height:auto;aspect-ratio:1/.9}
  .projects__col--offset{padding-top:0}
  .service{grid-template-columns:50px 1fr;gap:12px}
  .service img{grid-column:2;width:100%;height:auto}.service ul{grid-column:2;padding:0}
  .impact__cards{width:100%}
  .process__grid{grid-template-columns:1fr 1fr}
  .team__stage{padding-inline:0;flex-direction:column;align-items:center;min-height:0}
  .team__row{overflow:hidden;max-width:100%}
  .member{width:30vw;height:30vw}.member.is-active{height:42vw}
  .arrow{position:static;margin:16px 6px 0;display:inline-grid;place-items:center;width:48px;height:48px}
  .footer__inner{grid-template-columns:1fr 1fr}.footer__brand{grid-column:1/-1}
  .btn--wide{width:100%;padding-left:20px}
  .section-title{font-size:32px}
}

/* real assets */
.logo img{height:56px;width:auto}
.logo__text{text-transform:uppercase;letter-spacing:.02em;white-space:nowrap}
.marquee--logos .marquee__track{align-items:center}
.marquee--logos img{height:auto;max-height:36px;width:auto;max-width:150px;flex:none}
.step .icon{width:30px;height:30px;color:#444}
.card img,.project img{background:#eee}
.impact{background:linear-gradient(rgba(0,0,0,.72),rgba(0,0,0,.72)),url("images/impact-bg.jpg?v=2") center/cover no-repeat}

.btn__arrow{flex:none}
.btn--wide .btn__arrow{width:44px;height:44px}

/* tiếng Việt: Be Vietnam Pro rộng hơn nên điều chỉnh nhẹ cỡ chữ & khung */
body{font-size:15px}
.lead,.hero__side,.service p,.step p,.glass p,.faq__a>p,.footer p{font-size:15px;line-height:1.55}
.hero__title{width:680px;text-transform:uppercase}
.section-title{line-height:1.2}
.hero__side{width:290px;margin-right:20px}
.card figcaption{font-size:14px}
.card figcaption b{font-size:19px}
.btn{font-size:15px}
.service ul,.checks,label,input,textarea{font-size:15px}
.stats span{font-size:15px}

/* dải dịch vụ chạy ngang */
.marquee--logos .marquee__track{gap:0;padding-right:0}
.marquee--logos span{font-family:var(--display);font-size:26px;font-weight:400;text-transform:uppercase;color:#c4c4c4;letter-spacing:.02em;padding-inline:34px;position:relative}
.marquee--logos span::after{content:"";position:absolute;right:-4px;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:var(--accent)}