/* ngonamnguyen.com · khung chung cho mọi trang (v6, 3/10/2026; quy tắc: BM/thuong-hieu/quy-tac-thiet-ke-web.md).
   Quy tắc theo góp ý anh: chữ thân to và rõ, tiêu đề không chênh quá; nhãn nhỏ to rõ; đoạn văn căn đều hai bên;
   bề rộng dòng thống nhất (cột kể chuyện 760px, phần có thẻ dùng đủ 1040px); dải mời cuối trang khác màu chân trang. */
@font-face{font-family:'SVN-Gilroy';src:url('fonts/gilroy-regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'SVN-Gilroy';src:url('fonts/gilroy-semibold.ttf') format('truetype');font-weight:600;font-display:swap}
@font-face{font-family:'SVN-Gilroy';src:url('fonts/gilroy-bold.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:'SVN-Gilroy';src:url('fonts/gilroy-xbold.ttf') format('truetype');font-weight:800;font-display:swap}

:root{--green:#023f2d;--deep:#01301f;--sage:#7cba9c;--sage-dk:#2f7d5b;--tan:#ebbf7f;--ink:#14261d;--body:#26392f;--muted:#40544a;--soft:#eef6f1;--line:#d3e3d9;--cream:#fdf8ef;--w:1040px;--r:16px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:'SVN-Gilroy',system-ui,sans-serif;color:var(--body);background:#fff;font-size:18px;line-height:1.7;font-weight:500;-webkit-font-smoothing:antialiased}
p,li,cite{text-wrap:wrap} /* không dùng 'pretty': trình duyệt đẩy chữ xuống làm dòng trên ngắn cụt (anh góp ý 3/10) */
h1,h2,h3,h4{text-wrap:balance;line-height:1.25;font-weight:800;color:var(--green)}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin-left:auto;margin-right:auto}
section{padding:88px 0}
.soft{background:var(--soft)}
.cream{background:var(--cream)}
.center{text-align:center}

/* nhãn nhỏ trên tiêu đề và tiêu đề mục */
.eyebrow{display:block;font-size:17px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--sage-dk);margin-bottom:10px}
h2{font-size:clamp(26px,2.8vw,33px);margin-bottom:18px}
.lead{font-size:19px;color:var(--body);font-weight:600;line-height:1.65}
.prose p{margin-bottom:18px;text-align:justify;hyphens:none}
.prose p:last-child{margin-bottom:0}
.prose b{color:var(--green);font-weight:800}
.head{margin-bottom:36px}
.head .lead{max-width:760px}
.head.center .lead{margin-left:auto;margin-right:auto}
.head .lead{margin-top:-6px}

/* nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--tan);color:var(--green);font-weight:800;font-size:17px;line-height:1.2;text-decoration:none;padding:16px 30px;border-radius:999px;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 14px rgba(160,110,40,.22);text-align:center}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(160,110,40,.3)}
.btn.lg{font-size:19px;padding:19px 38px}
.btn.dark{background:var(--green);color:#fff;box-shadow:0 4px 14px rgba(2,63,45,.2)}
.btn.line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);box-shadow:none}
.btn.line:hover{border-color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* thanh menu */
.nav{position:sticky;top:0;z-index:20;background:rgba(2,63,45,.97);backdrop-filter:blur(6px);color:#fff}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;text-decoration:none;color:#fff;white-space:nowrap}
.brand img{width:32px;height:32px}
.menu{display:flex;gap:30px;align-items:center;list-style:none}
.menu a{text-decoration:none;font-size:16px;font-weight:700;color:#dcece4}
.menu a:hover,.menu a.on{color:var(--tan)}
.menu .cta a{background:var(--tan);color:var(--green);padding:10px 20px;border-radius:999px}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger svg{width:26px;height:26px;fill:#fff}
@media (max-width:860px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:74px;left:0;right:0;background:var(--green);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 20px}
  .menu.open{display:flex}
  .menu li{width:100%}
  .menu a{display:block;padding:12px 0;font-size:17px}
  .menu .cta a{display:inline-block;margin-top:8px;padding:12px 24px}
}

/* phần đầu trang */
.hero{background:var(--green);color:#fff;padding:80px 0 84px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:center}
.hero .eyebrow{color:var(--sage)}
.hero h1{color:#fff;font-size:clamp(34px,4.1vw,48px);line-height:1.15;margin-bottom:22px}
.hero h1 .ln{display:block}
.hero .sub{font-size:20px;line-height:1.6;color:#dcece4;font-weight:600;max-width:580px}
.hero .side{display:flex;flex-direction:column;align-items:center;text-align:center}
.portrait{width:300px;height:300px;border-radius:50%;background:var(--sage);overflow:hidden;position:relative}
.portrait img{position:absolute;width:108%;left:-4%;top:6%}
.caption{margin-top:18px}
.caption b{display:block;font-size:22px;color:#fff;font-weight:800;line-height:1.3}
.caption span{display:block;font-size:16px;color:var(--sage);font-weight:700;margin-top:4px;line-height:1.4}
@media (min-width:861px){.hero h1 .ln{white-space:nowrap}}
@media (max-width:860px){
  .hero{padding:32px 0 44px}
  .hero .wrap{grid-template-columns:1fr;gap:18px;text-align:center}
  .hero .side{order:-1}
  .portrait{width:150px;height:150px}
  .caption{margin-top:10px}
  .caption b{font-size:18px}
  .caption span{font-size:14.5px}
  .hero h1{font-size:30px;margin-bottom:12px}
  .hero .sub{font-size:16.5px;margin:0 auto}
  .hero .btns{justify-content:center;margin-top:20px;gap:10px}
  .hero .btn{font-size:15.5px;padding:13px 20px}
}

/* dải số liệu */
.stats{background:var(--sage);color:var(--green)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:22px;padding-bottom:22px;text-align:center}
.stats div{font-size:16px;font-weight:700;line-height:1.35}
.stats b{display:block;font-size:25px;font-weight:800}
@media (max-width:700px){.stats .wrap{grid-template-columns:1fr 1fr;row-gap:16px}.stats div{font-size:14.5px}.stats b{font-size:21px}}

/* lưới và thẻ */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:900px){.grid3,.grid4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
.card{background:#fff;border:1.5px solid var(--line);border-radius:var(--r);padding:26px 26px}
.card h3{font-size:20px;line-height:1.3;margin-bottom:8px}
.card p{font-size:17px;color:var(--body);line-height:1.6}
.num{display:inline-flex;width:38px;height:38px;border-radius:50%;background:var(--green);color:var(--tan);font-weight:800;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px}
.ic{width:46px;height:46px;flex:0 0 46px;border-radius:50%;background:var(--soft);display:flex;align-items:center;justify-content:center}
.ic svg{width:22px;height:22px;fill:var(--green)}

/* danh sách chấm */
.dots{list-style:none}
.dots li{padding-left:22px;position:relative;margin-bottom:9px}
.dots li::before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--sage)}

/* trích dẫn, cảm nhận */
.prose p.quote,.quote{text-align:left;background:var(--cream);border-left:4px solid var(--tan);border-radius:0 var(--r) var(--r) 0;padding:22px 26px;font-size:19px;line-height:1.55;font-weight:700;color:var(--green)}
.quote cite{display:block;font-style:normal;font-size:16px;font-weight:800;margin-top:10px;color:var(--muted)}
.testi{background:#fff;border-radius:var(--r);padding:34px 28px 28px;position:relative;box-shadow:0 10px 30px rgba(2,63,45,.12);border:1px solid #e3eee8;display:flex;flex-direction:column}
.testi::before{content:"\201C";position:absolute;top:8px;left:24px;font-family:Georgia,serif;font-size:70px;line-height:1;color:var(--sage)}
.testi p{padding-top:22px;font-size:17px;line-height:1.65;color:var(--ink);font-weight:600;text-align:justify;hyphens:none;flex:1}
.testi cite{display:block;font-style:normal;font-weight:800;font-size:17px;color:var(--green);margin-top:16px}

/* người đồng hành: 2 cột (giới thiệu | nền tảng chuyên môn), ảnh tròn nhỏ cạnh tên; không dùng ảnh có vòng cổ */
.about{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
.who{display:flex;align-items:center;gap:20px;margin-bottom:18px}
.av{width:88px;height:88px;flex:0 0 88px;border-radius:50%;background:var(--sage);overflow:hidden;position:relative}
.av img{position:absolute;width:108%;left:-4%;top:6%}
.who h2{margin-bottom:0}
.who .eyebrow{margin-bottom:4px}
.prose p.role,.role{text-align:left;font-weight:700;color:var(--sage-dk);font-size:17px;margin-bottom:18px}
.about .quote{margin-top:24px}
.creds-box{background:#fff;border-radius:20px;padding:32px 32px 24px;box-shadow:0 10px 30px rgba(2,63,45,.08)}
.creds-box h3{font-size:21px;margin-bottom:18px}
.creds{list-style:none;display:grid;gap:12px}
.creds li{padding-left:30px;position:relative;font-size:17px;line-height:1.5;color:var(--body);font-weight:600}
.creds li::before{content:"\2713";position:absolute;left:0;top:0;color:#2f8f62;font-weight:800;font-size:18px}
.creds b{color:var(--green)}
@media (max-width:860px){.about{grid-template-columns:1fr;gap:32px}.av{width:72px;height:72px;flex-basis:72px}.creds-box{padding:26px 22px 18px}}

/* khối tối */
.dark-block{background:var(--green);color:#fff;border-radius:22px;padding:42px 40px}
.dark-block h3{color:#fff}
.dark-block p,.dark-block li{color:#e3efe8}
.badge{display:inline-block;background:var(--tan);color:var(--green);font-size:13.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 13px;border-radius:999px;margin-bottom:14px}
@media (max-width:640px){.dark-block{padding:30px 22px}}

/* dải câu xanh */
.band{position:relative;overflow:hidden;background:var(--green);color:#fff;padding:68px 0;text-align:center}
.band p{font-size:clamp(20px,2.3vw,25px);line-height:1.55;font-weight:600;font-style:italic;color:#eef6f1;max-width:820px;margin:0 auto}
.band::before{content:"";position:absolute;left:-170px;top:50%;width:560px;height:560px;transform:translateY(-50%);background:url(logo-vien.webp) center/contain no-repeat;opacity:.13;pointer-events:none}
.band .wrap{position:relative}

/* dải mời cuối trang: nền sáng, tách rõ với chân trang tối */
.final{background:linear-gradient(180deg,#f4faf6 0%,#e4f1e9 100%);text-align:center;padding:96px 0;border-top:1px solid var(--line);position:relative;overflow:hidden}
.final::before{content:"";position:absolute;right:-160px;top:50%;width:520px;height:520px;transform:translateY(-50%);background:url(logo-vien.webp) center/contain no-repeat;opacity:.18;pointer-events:none}
.final .wrap{position:relative}
.final h2{font-size:clamp(30px,3.4vw,40px);margin-bottom:16px}
.final p{font-size:20px;line-height:1.6;color:var(--body);font-weight:600;max-width:680px;margin:0 auto}
.final .pts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:900px;margin:36px auto 0;text-align:left}
.final .pts p{background:#fff;border-radius:16px;padding:22px 22px;box-shadow:0 6px 20px rgba(2,63,45,.07);font-size:17px;line-height:1.55;font-weight:600;color:var(--body)}
.final .pts p b{display:block;color:var(--green);font-size:18px;margin-bottom:4px}
@media (max-width:760px){.final .pts{grid-template-columns:1fr;gap:14px}}
.final .btns{justify-content:center;margin-top:30px}
.final .note{margin-top:28px;font-size:17px;color:var(--muted);font-weight:500}

/* chân trang */
.foot{background:var(--deep);color:#b9d6c7;padding:48px 0 30px;font-size:16px}
.foot .wrap{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:30px}
.foot .logo{width:44px;height:44px;margin-bottom:12px}
.foot b{display:block;color:#fff;font-size:18px;margin-bottom:4px}
.foot a{text-decoration:none;color:#dcece4}
.foot a:hover{color:var(--tan)}
.foot ul{list-style:none;display:grid;gap:9px;align-content:start}
.foot .ct li{display:flex;gap:10px;align-items:center}
.foot svg{width:18px;height:18px;fill:var(--tan);flex:0 0 18px}
.foot .copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;margin-top:6px;font-size:14px;color:#86a998}
@media (max-width:760px){.foot .wrap{grid-template-columns:1fr;text-align:left}}

@media (max-width:860px){
  section{padding:52px 0}
  .eyebrow{font-size:15px}
  .head{margin-bottom:26px}
  body{font-size:17px}
  .lead{font-size:17.5px}
  .final{padding:56px 0}
  .final p{font-size:18px}
  .band{padding:52px 0}
}

/* điện thoại: phần đầu trang gọn để thấy đủ tiêu đề và nút ngay khi mở */
@media (max-width:860px){
  .hero h1{font-size:clamp(23px,7.1vw,30px)}
  .hero h1 .ln{white-space:normal}
  .hero h1.fit .ln{white-space:nowrap}
  .portrait{width:132px;height:132px}
  .hero .btns{flex-wrap:nowrap}
  .hero .btn{font-size:14.5px;padding:12px 15px;white-space:nowrap}
  .btn{max-width:100%}
  .btn.lg{font-size:17px;padding:16px 24px}
}
/* cảm nhận: 3 cột ngang hàng, chữ căn đều (anh chọn 3/10). Điện thoại: vuốt ngang từng thẻ cho trang không dài lê thê */
.testis{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.testi p{text-align:justify;hyphens:none}
@media (max-width:900px){
  .testis{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -24px;padding:6px 24px 18px;scrollbar-width:none}
  .testis::-webkit-scrollbar{display:none}
  .testi{flex:0 0 88%;scroll-snap-align:center;padding:30px 20px 22px}
  .testi p{font-size:16.5px}
  .swipe{display:block;text-align:center;font-size:14.5px;font-weight:700;color:var(--sage-dk);margin-top:4px}
}
.swipe{display:none}

/* thanh mời dính đáy màn hình trên điện thoại (trang Coaching, Doanh nghiệp, Executive) */
.sticky-cta{display:none}
@media (max-width:860px){
  .sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.97);backdrop-filter:blur(6px);box-shadow:0 -4px 18px rgba(2,63,45,.12);padding:10px 16px calc(10px + env(safe-area-inset-bottom));transform:translateY(110%);transition:transform .25s}
  .sticky-cta.show{transform:none}
  .sticky-cta span{font-size:14.5px;font-weight:700;color:var(--green);line-height:1.3}
  .sticky-cta .btn{font-size:15px;padding:11px 18px;white-space:nowrap;flex:0 0 auto}
  body.has-sticky .foot{padding-bottom:84px}
}
.hero .wrap > div{min-width:0}
@media (max-width:389px){.hero .btns{flex-wrap:wrap}.hero .btn{padding:12px 14px}}

/* điện thoại, góp ý lần 4: phần đầu trang thoáng hơn, không cố nhét hết vào màn hình đầu */
br.m{display:none}
@media (max-width:860px){
  br.m{display:inline}
  .hero{padding:40px 0 56px}
  .hero .wrap{gap:26px}
  .portrait{width:140px;height:140px}
  .caption{margin-top:14px}
  .caption span{font-size:15px}
  .hero .eyebrow{margin-bottom:12px}
  .hero h1{font-size:clamp(24px,7.2vw,29px);line-height:1.28;margin-bottom:18px}
  .hero .sub{font-size:17px;line-height:1.7;max-width:340px}
  .hero .btns{margin-top:28px;flex-direction:column;align-items:center;gap:12px}
  .hero .btn{font-size:15.5px;padding:13px 20px;width:250px}
}