/* ============================================================
   RUNESTUDIO — style.css
   Đổi màu/font: sửa các biến trong :root bên dưới là đủ.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;800&display=swap');

:root{
  --ink:#16181D;        /* chữ chính, nền tối */
  --paper:#F4F8F7;      /* nền sáng */
  --white:#FFFFFF;
  --mist:#DCE6E3;       /* viền, nền phụ */
  --smoke:#6B7080;      /* chữ phụ */
  --signal:#2FA79A;     /* màu nhấn chính (đổi theo brand) */
  --pulse:#1F6F66;      /* màu nhấn phụ (link, tag) */
  --font:'Be Vietnam Pro',system-ui,sans-serif;
  --max:1240px;
  --gutter:clamp(20px,4vw,56px);
  --r:6px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
:focus-visible{outline:3px solid var(--pulse);outline-offset:3px}

/* ---------- Type ---------- */
h1,h2,h3,h4{line-height:1.08;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(40px,7.2vw,104px)}
h2{font-size:clamp(30px,4.4vw,56px)}
h3{font-size:clamp(20px,2.2vw,26px)}
h4{font-size:18px}
p{max-width:64ch}
.lead{font-size:clamp(17px,1.4vw,20px);color:var(--smoke);max-width:56ch}
.small{font-size:14px;color:var(--smoke)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(64px,9vw,128px) 0}
.section--tight{padding:clamp(40px,6vw,80px) 0}
.section--dark{background:var(--ink);color:var(--paper)}
.section--dark .lead,.section--dark .small{color:#A7ACB8}
.section--white{background:var(--white)}
.head{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:clamp(32px,4vw,56px)}
.head--split{grid-template-columns:1fr 1fr;align-items:end}
.head--split .lead{justify-self:end;max-width:44ch}
@media (max-width:760px){.head--split{grid-template-columns:1fr}.head--split .lead{justify-self:start}}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;font-weight:600;font-size:15px;border:2px solid var(--ink);background:var(--ink);color:var(--white);transition:transform .15s,background .15s;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn--signal{background:var(--signal);border-color:var(--signal)}
.btn--ghost{background:transparent;color:var(--ink)}
.section--dark .btn--ghost{color:var(--paper);border-color:var(--paper)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(245,246,248,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--mist)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;position:relative}
.logo{font-weight:800;font-size:22px;letter-spacing:-.04em;display:flex;align-items:center;gap:8px}
.logo i{width:12px;height:12px;background:var(--signal);border-radius:2px;transform:rotate(45deg)}
.nav{display:flex;gap:4px}
.nav a{padding:8px 14px;border-radius:999px;font-weight:500;font-size:15px}
.nav a:hover,.nav a.is-active{background:var(--ink);color:var(--white)}
.nav-toggle{display:none;background:none;border:0;font:inherit;font-weight:600;cursor:pointer;padding:8px}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--mist);flex-direction:column;padding:12px var(--gutter) 20px}
  .nav.is-open{display:flex}
  .nav a{padding:12px 14px;font-size:18px}
}

/* ---------- Hero (trang chủ) ---------- */
.hero{padding:clamp(56px,9vw,120px) 0 0;overflow:hidden}
.hero h1{max-width:14ch}
.hero h1 .line{display:block}
.hero-row{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:end;margin-top:32px}
@media (max-width:900px){.hero-row{grid-template-columns:1fr}}
.ticker{margin-top:clamp(40px,6vw,72px);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);overflow:hidden;white-space:nowrap;background:var(--white)}
.ticker-track{display:inline-flex;animation:tick 32s linear infinite}
.ticker span{padding:14px 28px;font-weight:600;font-size:15px;border-right:1px solid var(--mist)}
.ticker span b{color:var(--signal)}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- Placeholder ảnh (thay bằng <img> khi có ảnh thật) ---------- */
.ph{background:linear-gradient(135deg,#E3E6EC 0 40%,#CDD2DB 40% 41%,#E3E6EC 41%);aspect-ratio:4/3;border-radius:var(--r);display:flex;align-items:flex-end;padding:14px;color:var(--smoke);font-size:13px;font-weight:500;position:relative;overflow:hidden}
.ph--wide{aspect-ratio:16/9}
.ph--tall{aspect-ratio:3/4}
.ph--square{aspect-ratio:1}
.ph--9x16{aspect-ratio:9/16}
.ph--dark{background:linear-gradient(135deg,#262A33 0 40%,#343947 40% 41%,#262A33 41%);color:#8B90A0}
.ph::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(-45deg,transparent 0 22px,rgba(0,0,0,.035) 22px 23px)}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ---------- Cards / rows ---------- */
.card{background:var(--white);border:1px solid var(--mist);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:12px}
.card h3{font-size:20px}
.card p{color:var(--smoke);font-size:15px}
.card .btn{align-self:flex-start;margin-top:auto}
.section--dark .card{background:#1F2229;border-color:#2C3039}
.section--dark .card p{color:#A7ACB8}
.rows{border-top:1px solid var(--mist)}
.row{display:grid;grid-template-columns:80px 1fr 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--mist);align-items:start}
.row .num{font-weight:800;font-size:28px;color:var(--signal)}
.row p{color:var(--smoke);font-size:15px}
@media (max-width:760px){.row{grid-template-columns:1fr}}
.tag{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--mist);font-size:12px;font-weight:600}
.tag--pulse{background:var(--pulse);color:#fff}
.tag--signal{background:var(--signal);color:#fff}

/* ---------- Dự án ---------- */
.project{display:flex;flex-direction:column;gap:12px}
.project h3{font-size:20px}
.project .meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:14px;color:var(--smoke)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.filters button{font:inherit;font-weight:600;font-size:14px;padding:9px 16px;border-radius:999px;border:1px solid var(--ink);background:transparent;cursor:pointer;color:var(--ink)}
.filters button.is-active,.filters button:hover{background:var(--ink);color:var(--white)}
.empty{padding:48px;text-align:center;color:var(--smoke);border:1px dashed var(--mist);border-radius:var(--r)}

/* ---------- Numbers ---------- */
.numbers{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--ink)}
.numbers div{padding:28px 0;border-right:1px solid var(--mist)}
.numbers div:last-child{border-right:0}
.numbers div:not(:first-child){padding-left:28px}
.numbers b{display:block;font-size:clamp(36px,4.5vw,64px);font-weight:800;letter-spacing:-.03em;line-height:1}
.numbers span{color:var(--smoke);font-size:14px}
@media (max-width:760px){.numbers{grid-template-columns:1fr 1fr}.numbers div{border-right:0;padding-left:0!important}}

/* ---------- Clients ---------- */
.clients{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.clients div{height:72px;border:1px solid var(--mist);border-radius:var(--r);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--smoke);background:var(--white)}
@media (max-width:900px){.clients{grid-template-columns:repeat(3,1fr)}}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery .ph:nth-child(3n){grid-row:span 2;aspect-ratio:auto}
@media (max-width:760px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* ---------- Team ---------- */
.member .ph{aspect-ratio:3/4}
.member h4{margin-top:12px}
.member span{color:var(--smoke);font-size:14px}

/* ---------- Insight ---------- */
.post{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--mist)}
.post .ph{aspect-ratio:4/3}
.post h3{font-size:22px;margin:6px 0 8px}
.post p{color:var(--smoke);font-size:15px}
@media (max-width:600px){.post{grid-template-columns:1fr}}

/* ---------- CTA ---------- */
.cta{background:var(--signal);color:var(--white);padding:clamp(56px,8vw,104px) 0}
.cta h2{max-width:18ch}
.cta .lead{color:#D6F0EC}
.cta .btn{background:var(--white);color:var(--ink);border-color:var(--white)}
.cta .wrap{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end}
@media (max-width:760px){.cta .wrap{grid-template-columns:1fr}}

/* ---------- Liên hệ ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-links a{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid var(--mist);font-weight:600;font-size:18px}
.contact-links a:hover{color:var(--signal)}
.brief{background:var(--white);border:1px solid var(--mist);border-radius:var(--r);padding:32px}
.brief ol{padding-left:20px;display:flex;flex-direction:column;gap:12px;color:var(--smoke)}
.brief ol li::marker{color:var(--signal);font-weight:800}

/* ---------- Page hero (trang con) ---------- */
.page-hero{padding:clamp(48px,7vw,96px) 0 clamp(32px,4vw,56px);border-bottom:1px solid var(--mist)}
.page-hero h1{font-size:clamp(36px,5.5vw,76px);max-width:16ch}
.page-hero .lead{margin-top:20px}
.subnav{display:flex;gap:6px;flex-wrap:wrap;margin-top:32px}
.subnav a{font-size:14px;font-weight:600;padding:8px 14px;border:1px solid var(--mist);border-radius:999px;background:var(--white)}
.subnav a:hover{border-color:var(--ink)}

/* ---------- Two-col block ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.two.flip>:first-child{order:2}
@media (max-width:900px){.two{grid-template-columns:1fr;gap:28px}.two.flip>:first-child{order:0}}
.check{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.check li{display:flex;gap:12px;align-items:flex-start}
.check li::before{content:"";flex:none;width:8px;height:8px;margin-top:9px;background:var(--signal);border-radius:50%}
.block{padding:clamp(40px,6vw,80px) 0;border-bottom:1px solid var(--mist)}
.block:last-child{border-bottom:0}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#A7ACB8;padding:64px 0 32px;font-size:14px}
.footer .grid{grid-template-columns:2fr 1fr 1fr 1fr}
@media (max-width:760px){.footer .grid{grid-template-columns:1fr 1fr}}
.footer .logo{color:var(--white);margin-bottom:12px}
.footer h4{color:var(--white);margin-bottom:12px;font-size:15px}
.footer li{padding:4px 0}
.footer a:hover{color:var(--white)}
.footer .bottom{margin-top:48px;padding-top:20px;border-top:1px solid #2C3039;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- Video nhúng & trang chi tiết ---------- */
.video{position:relative;width:100%;border-radius:var(--r);overflow:hidden;background:#000;margin-bottom:32px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video--16x9{aspect-ratio:16/9}
.video--9x16{aspect-ratio:9/16;max-width:360px;margin-left:auto;margin-right:auto}
.detail > *{max-width:820px}
.detail .ph{margin-bottom:32px}
.prose p{margin-bottom:16px;max-width:none}
.prose h2,.prose h3{margin:32px 0 12px}
.prose ul,.prose ol{padding-left:22px;margin-bottom:16px}
.prose li{margin-bottom:6px}
.prose img{border-radius:var(--r);margin:16px 0}
.prose strong{font-weight:700}
.project{color:inherit}

/* ---------- Hero kiểu 2 ---------- */
.hero2{padding:clamp(40px,6vw,80px) 0 0;background:radial-gradient(900px 500px at 80% 0%,#DDF1EC 0%,var(--paper) 60%);overflow:hidden}
.hero2-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
@media (max-width:960px){.hero2-grid{grid-template-columns:1fr}}
.hero2 h1{font-size:clamp(36px,4.8vw,66px);max-width:14ch;margin-bottom:16px}
.hero2 .lead{margin-bottom:24px}
.hero2 .btn-row{margin-bottom:28px}
.btn .btn--sm,.btn--sm{padding:9px 16px;font-size:13px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}
@media (max-width:600px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--white);border:1px dashed var(--mist);border-radius:14px;padding:14px 16px}
.stat span{display:block;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--smoke)}
.stat b{display:block;font-size:22px;margin-top:4px;letter-spacing:-.02em}
.highlight{display:grid;grid-template-columns:44% 1fr;gap:18px;background:var(--white);border:1px solid var(--mist);border-radius:18px;padding:12px;color:inherit;transition:transform .15s,box-shadow .15s}
.highlight:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(20,60,55,.08)}
.highlight .ph{border-radius:12px;aspect-ratio:auto;height:100%;min-height:150px;width:100%}
@media (max-width:600px){.highlight{grid-template-columns:1fr}}
.highlight-body{padding:6px 8px 6px 0;min-width:0;display:flex;flex-direction:column;gap:6px}
.highlight-label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--signal)}
.highlight h3{font-size:17px;line-height:1.3;overflow-wrap:anywhere}
.highlight .small{margin:0}
.highlight .btn--sm{align-self:flex-start;margin-top:8px}
.poster{aspect-ratio:1;border-radius:22px;overflow:hidden;box-shadow:0 30px 60px rgba(20,60,55,.18);transform:rotate(-3deg);background:var(--ink)}
.poster img,.poster .ph{width:100%;height:100%;object-fit:cover;aspect-ratio:1;border-radius:0}
@media (max-width:960px){.poster{transform:none;max-width:520px;margin:0 auto}}
.hero2 .ticker{margin-top:clamp(40px,6vw,72px)}
/* ---------- Cột nút liên hệ nổi bên phải ---------- */
.dock{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.dock-note{max-width:210px;background:var(--white);border:1px solid var(--mist);border-radius:14px;padding:10px 14px;font-size:13px;font-weight:600;line-height:1.4;box-shadow:0 8px 24px rgba(0,0,0,.10);margin-bottom:2px}
.dock-note:hover{border-color:var(--signal)}
.dock-btn{width:48px;height:48px;border:0;padding:0;border-radius:50%;background:var(--signal);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(47,167,154,.35);transition:transform .15s;position:relative}
.dock-btn:hover{transform:scale(1.08)}
.dock-ico{width:24px;height:24px;display:block}
.dock-ico svg{width:100%;height:100%;display:block}
.dock-tip{position:absolute;right:58px;top:50%;transform:translateY(-50%);background:var(--ink);color:#fff;font-size:13px;font-weight:600;padding:6px 10px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s}
.dock-btn:hover .dock-tip{opacity:1}
@media (max-width:900px){
  .dock{right:10px;gap:8px}
  .dock-note{display:none}
  .dock-btn{width:42px;height:42px}
  .dock-ico{width:21px;height:21px}
  .dock-tip{display:none}
}

/* ---------- Form liên hệ ---------- */
.form{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:700}
.field .hint{font-size:12px;color:var(--smoke);font-weight:400}
.field input,.field textarea{font:inherit;font-size:15px;text-overflow:ellipsis;padding:12px 14px;border:1px solid var(--mist);border-radius:10px;background:var(--white);color:var(--ink);width:100%}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(47,167,154,.15)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:600px){.field-row{grid-template-columns:1fr}}
.field input::placeholder,.field textarea::placeholder{color:#A3ABB5;font-style:italic}
.form .btn{align-self:flex-start;border:0;cursor:pointer}
.form-note{font-size:13px;color:var(--smoke)}
.form-ok{display:none;background:#EAF6F4;border:1px solid var(--signal);border-radius:12px;padding:20px;margin-top:8px}
.form-ok h3{font-size:18px;margin-bottom:6px}
.form-ok p{font-size:15px;color:var(--smoke)}
.hp{position:absolute;left:-9999px}