/*
Theme Name: Ngọc Duy 9Study Style (Hello Child)
Theme URI: https://mentorvn.com
Description: Child theme cho Hello Elementor — giao diện trang chủ phong cách 9Study, tông trắng + đỏ đô. Tạo bởi Claude Code.
Author: Ngọc Duy
Template: hello-elementor
Version: 1.0.0
Text Domain: hello-child
*/

/* ============ DESIGN TOKENS ============ */
:root{
  --maroon:#7A1E2B;
  --maroon-dark:#5E1520;
  --maroon-2:#93283a;
  --pink:#F4E3E6;
  --pink-soft:#FBF5F6;
  --ink:#1A1A1A;
  --ink-2:#26262B;
  --gray:#5F5F5F;
  --gray-2:#8A8A8A;
  --line:#ECECEF;
  --bg-soft:#F7F7F8;
  --white:#FFFFFF;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(26,26,26,.05);
  --shadow:0 12px 34px rgba(122,30,43,.10);
  --shadow-lg:0 26px 60px rgba(122,30,43,.16);
  --maxw:1180px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}

/* ============ BASE ============ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.nd9-home{
  margin:0;font-family:var(--font);color:var(--ink);
  background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;
}
body.nd9-home img{max-width:100%;height:auto;display:block}
body.nd9-home a{text-decoration:none;color:inherit}
.nd-wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.nd-eyebrow{color:var(--maroon);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;text-align:center;margin:0 0 10px}
.nd-h2{font-size:clamp(26px,4vw,42px);line-height:1.15;font-weight:800;text-align:center;margin:0 auto 14px;max-width:820px;letter-spacing:-.02em}
.nd-h2 .hl{color:var(--maroon)}
.nd-sub{color:var(--gray);text-align:center;max-width:640px;margin:0 auto 44px;font-size:17px}
.nd-section{padding:76px 0}
.nd-section.alt{background:var(--bg-soft)}

/* ============ BUTTONS ============ */
.nd-btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:16px;
  padding:14px 26px;border-radius:14px;transition:.22s ease;cursor:pointer;border:2px solid transparent;line-height:1}
.nd-btn.primary{background:var(--maroon);color:#fff;box-shadow:0 10px 24px rgba(122,30,43,.28)}
.nd-btn.primary:hover{background:var(--maroon-dark);transform:translateY(-2px);box-shadow:0 16px 32px rgba(122,30,43,.34)}
.nd-btn.ghost{background:#fff;color:var(--maroon);border-color:var(--pink)}
.nd-btn.ghost:hover{border-color:var(--maroon);transform:translateY(-2px)}
.nd-btn.white{background:#fff;color:var(--maroon)}
.nd-btn.white:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.18)}

/* ============ SITE-WIDE (header/footer on every page, not only home) ============ */
.nd-topbar,.nd-header,.nd-footer{font-family:var(--font)}
.nd-topbar *,.nd-header *,.nd-footer *{box-sizing:border-box}
.nd-topbar a,.nd-header a,.nd-footer a{text-decoration:none}
.nd-nav a.active{color:var(--maroon)}
.nd-nav a.active::after{right:0}
/* keep sticky header clear of the WP admin bar for logged-in users */
.admin-bar .nd-header{top:32px}
@media(max-width:782px){.admin-bar .nd-header{top:46px}}

/* ============ HEADER ============ */
.nd-topbar{background:var(--ink);color:#cfcfd6;font-size:13.5px}
.nd-topbar .nd-wrap{display:flex;gap:20px;align-items:center;justify-content:space-between;height:40px}
.nd-topbar a:hover{color:#fff}
.nd-topbar .tb-left{display:flex;gap:22px;flex-wrap:wrap}
.nd-topbar .tb-right{display:flex;gap:18px;align-items:center}

.nd-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nd-header .nd-wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:18px}
.nd-logo{font-weight:800;font-size:24px;letter-spacing:-.02em;color:var(--ink);display:flex;align-items:center;gap:9px}
.nd-logo .mark{width:34px;height:34px;border-radius:10px;background:var(--maroon);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 6px 14px rgba(122,30,43,.3)}
.nd-logo .duy{color:var(--maroon)}
.nd-nav{display:flex;gap:28px;align-items:center}
.nd-nav a{font-weight:600;font-size:15.5px;color:#33333a;position:relative;padding:6px 0;transition:.18s}
.nd-nav a:hover{color:var(--maroon)}
.nd-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--maroon);transition:right .22s}
.nd-nav a:hover::after{right:0}
.nd-head-cta{display:flex;gap:12px;align-items:center}
.nd-head-cta .nd-btn{padding:11px 20px;font-size:15px}
.nd-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nd-burger span{width:26px;height:3px;background:var(--maroon);border-radius:3px;transition:.25s}
#nd-nav-toggle{display:none}

/* ============ HERO ============ */
.nd-hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 520px at 80% -10%,var(--pink) 0%,transparent 60%),
  radial-gradient(900px 500px at -10% 10%,#fbeef0 0%,transparent 55%),var(--white)}
.nd-hero .nd-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding-top:64px;padding-bottom:74px}
.nd-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--pink);
  color:var(--maroon);font-weight:700;font-size:13px;padding:8px 16px;border-radius:999px;box-shadow:var(--shadow-sm);letter-spacing:.04em}
.nd-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--maroon)}
.nd-hero h1{font-size:clamp(34px,5.2vw,56px);line-height:1.08;font-weight:800;letter-spacing:-.025em;margin:22px 0 18px}
.nd-hero h1 .hl{color:var(--maroon)}
.nd-hero .lead{font-size:19px;color:var(--maroon);font-weight:600;font-style:italic;margin:0 0 14px}
.nd-hero .desc{font-size:17px;color:var(--gray);margin:0 0 28px;max-width:560px}
.nd-hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.nd-hero .trust{margin-top:20px;color:var(--gray-2);font-size:14.5px}
.nd-hero .trust b{color:var(--maroon)}

/* hero mockup */
.nd-mock{position:relative}
.nd-mock .win{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden}
.nd-mock .bar{display:flex;gap:7px;align-items:center;padding:13px 16px;border-bottom:1px solid var(--line);background:#fafafb}
.nd-mock .bar i{width:11px;height:11px;border-radius:50%;background:#e2c3c8}
.nd-mock .bar i:nth-child(1){background:#f0b8bf}
.nd-mock .bar .u{margin-left:12px;height:20px;flex:1;background:#f1f1f4;border-radius:6px}
.nd-mock .body{padding:20px}
.nd-mock .mtitle{font-weight:800;font-size:16px;margin:0 0 4px}
.nd-mock .msub{color:var(--gray-2);font-size:13px;margin:0 0 16px}
.nd-mock .row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.nd-mock .row .lab{font-size:13.5px;font-weight:600;color:#3a3a42;min-width:110px}
.nd-mock .track{flex:1;height:9px;border-radius:99px;background:#f0eef0;overflow:hidden}
.nd-mock .fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--maroon),var(--maroon-2))}
.nd-mock .pct{font-size:12.5px;font-weight:700;color:var(--maroon);min-width:38px;text-align:right}
.nd-mock .cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.nd-mock .mc{background:var(--pink-soft);border:1px solid var(--pink);border-radius:12px;padding:12px}
.nd-mock .mc .n{font-weight:800;color:var(--maroon);font-size:20px}
.nd-mock .mc .t{font-size:12px;color:var(--gray)}
.nd-float{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  padding:12px 16px;font-weight:700;font-size:13.5px;display:flex;gap:10px;align-items:center}
.nd-float .ic{width:30px;height:30px;border-radius:9px;background:var(--pink);display:grid;place-items:center}
.nd-float.f1{top:-18px;right:22px}
.nd-float.f2{bottom:-18px;left:-14px}

/* ============ STATS ============ */
.nd-stats{margin-top:-46px;position:relative;z-index:5}
.nd-stats .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);
  display:grid;grid-template-columns:repeat(4,1fr);padding:34px 20px}
.nd-stats .st{text-align:center;padding:8px 12px;border-right:1px solid var(--line)}
.nd-stats .st:last-child{border-right:0}
.nd-stats .st .n{font-size:clamp(28px,3.4vw,40px);font-weight:800;color:var(--maroon);letter-spacing:-.02em}
.nd-stats .st .t{color:var(--gray);font-size:14.5px;margin-top:4px}

/* ============ FEATURE / SERVICE CARDS ============ */
.nd-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.nd-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.nd-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.24s;height:100%}
.nd-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--pink)}
.nd-card .ic{width:52px;height:52px;border-radius:14px;background:var(--pink);color:var(--maroon);
  display:grid;place-items:center;font-size:24px;margin-bottom:18px}
.nd-card h3{font-size:19px;font-weight:800;margin:0 0 10px}
.nd-card p{color:var(--gray);font-size:15px;margin:0}
.nd-card ul{list-style:none;padding:0;margin:12px 0 0}
.nd-card li{position:relative;padding-left:26px;color:var(--gray);font-size:14.5px;margin-bottom:9px}
.nd-card li::before{content:"✓";position:absolute;left:0;top:0;color:var(--maroon);font-weight:800}
.nd-card.mini .ic{width:46px;height:46px;font-size:22px}
.nd-card.mini h3{font-size:16.5px}
.nd-card.mini p{font-size:14px}

/* ============ CTA BANNER ============ */
.nd-cta{background:linear-gradient(135deg,var(--maroon) 0%,var(--maroon-dark) 100%);border-radius:var(--radius-lg);
  padding:56px 40px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.nd-cta::before,.nd-cta::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.07)}
.nd-cta::before{width:280px;height:280px;top:-120px;right:-60px}
.nd-cta::after{width:220px;height:220px;bottom:-120px;left:-40px}
.nd-cta h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;margin:0 0 12px;position:relative}
.nd-cta p{color:rgba(255,255,255,.86);max-width:560px;margin:0 auto 26px;position:relative;font-size:17px}
.nd-cta .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

/* ============ SEO ARTICLE / PROSE ============ */
.nd-prose{max-width:820px;margin:0 auto;color:var(--ink);font-size:17px;line-height:1.8}
.nd-prose h2{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.01em;margin:36px 0 14px;color:var(--ink)}
.nd-prose h3{font-size:20px;font-weight:700;margin:26px 0 10px;color:var(--maroon)}
.nd-prose p{margin:0 0 16px;color:#3a3a42}
.nd-prose ul{margin:0 0 18px;padding-left:0;list-style:none}
.nd-prose li{position:relative;padding-left:28px;margin-bottom:10px;color:#3a3a42}
.nd-prose li::before{content:"✓";position:absolute;left:0;top:0;color:var(--maroon);font-weight:800}
.nd-prose a{color:var(--maroon);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.nd-prose a:hover{color:var(--maroon-dark)}
.nd-prose strong{color:var(--ink)}
.nd-prose img{border-radius:14px;margin:8px 0 20px;box-shadow:var(--shadow-sm)}

/* ============ COMMUNITY BAND ============ */
.nd-band{background:var(--pink-soft)}
.nd-band .box{text-align:center;max-width:760px;margin:0 auto}

/* ============ FOOTER ============ */
.nd-footer{background:var(--ink);color:#b9b9c2;padding:64px 0 0}
.nd-footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.nd-footer h4{color:#fff;font-size:16px;margin:0 0 18px;font-weight:700}
.nd-footer .brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;margin-bottom:14px}
.nd-footer .brand .mark{width:34px;height:34px;border-radius:10px;background:var(--maroon);display:grid;place-items:center;color:#fff}
.nd-footer p{font-size:14.5px;line-height:1.7;margin:0 0 16px}
.nd-footer ul{list-style:none;padding:0;margin:0}
.nd-footer li{margin-bottom:11px}
.nd-footer li a{font-size:14.5px;display:inline-flex;gap:8px;align-items:center;transition:.18s}
.nd-footer li a:hover{color:#fff;transform:translateX(3px)}
.nd-footer li a::before{content:"›";color:var(--maroon-2)}
.nd-footer .socials{display:flex;gap:10px;flex-wrap:wrap}
.nd-footer .socials a{background:rgba(255,255,255,.06);padding:8px 14px;border-radius:9px;font-size:13.5px;font-weight:600}
.nd-footer .socials a:hover{background:var(--maroon)}
.nd-footer .quote{font-style:italic;color:#d8b7bd;font-size:14px;border-left:3px solid var(--maroon);padding-left:14px;margin-top:8px}
.nd-copy{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:20px 0;font-size:13.5px;color:#8a8a95}

/* ============ RESPONSIVE ============ */
@media(max-width:960px){
  .nd-hero .nd-wrap{grid-template-columns:1fr;gap:40px;padding-top:44px}
  .nd-mock{max-width:520px;margin:0 auto}
  .nd-grid3,.nd-grid4{grid-template-columns:1fr 1fr}
  .nd-stats .card{grid-template-columns:1fr 1fr;gap:18px 0}
  .nd-stats .st:nth-child(2){border-right:0}
  .nd-stats .st{border-bottom:1px solid var(--line);padding-bottom:18px}
  .nd-stats .st:nth-last-child(-n+2){border-bottom:0;padding-bottom:8px}
  .nd-footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nd-burger{display:flex;order:2;margin-left:auto}
  .nd-header .nd-wrap{flex-wrap:wrap;height:auto;min-height:74px;padding-top:12px;padding-bottom:12px}
  .nd-logo{order:1}
  .nd-nav{order:3;width:100%;display:none;flex-direction:column;align-items:stretch;gap:0;padding-top:8px}
  .nd-head-cta{order:4;width:100%;display:none;flex-direction:column;align-items:stretch;gap:10px;padding-top:12px;border-top:1px solid var(--line);margin-top:6px}
  #nd-nav-toggle:checked ~ .nd-nav{display:flex}
  #nd-nav-toggle:checked ~ .nd-head-cta{display:flex}
  .nd-nav a{width:100%;padding:13px 2px;border-bottom:1px solid var(--line)}
  .nd-nav a::after{display:none}
  .nd-head-cta .nd-btn{width:100%;justify-content:center}
  .nd-topbar .tb-left{gap:14px;font-size:12.5px}
  .nd-grid3,.nd-grid4{grid-template-columns:1fr}
  .nd-stats .card{grid-template-columns:1fr 1fr}
  .nd-section{padding:56px 0}
  .nd-footer .cols{grid-template-columns:1fr;gap:30px}
}
@media(max-width:520px){
  .nd-topbar .tb-left a:not(:first-child),
  .nd-topbar .tb-left span{display:none}
  .nd-topbar .nd-wrap{justify-content:space-between}
  .nd-hero .cta-row .nd-btn{width:100%;justify-content:center}
}

/* ===================================================================
 * V2 — RESTRUCTURE: base site-wide, header switcher, spaces, components
 * =================================================================== */
body.nd-site{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
body.nd-site img{max-width:100%;height:auto}

/* Button sizes */
.nd-btn.lg{padding:16px 30px;font-size:17px}
.nd-btn.sm{padding:8px 16px;font-size:14px}

/* Header v2: switcher + search + fixed CTA */
.nd-headnav{display:flex;align-items:center;gap:16px}
.nd-switch{position:relative}
.nd-switch>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);background:#fff;border:1.5px solid var(--pink);padding:10px 16px;border-radius:12px}
.nd-switch>summary::-webkit-details-marker{display:none}
.nd-switch>summary .ic{font-size:16px}
.nd-switch .caret{color:var(--maroon);font-size:11px}
.nd-switch[open]>summary{border-color:var(--maroon)}
.nd-switch-menu{position:absolute;top:calc(100% + 8px);left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;min-width:250px;z-index:70;display:flex;flex-direction:column;gap:2px}
.nd-switch-menu a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:9px;font-weight:600;color:#33333a}
.nd-switch-menu a:hover,.nd-switch-menu a.active{background:var(--pink-soft);color:var(--maroon)}
.nd-search{display:flex;align-items:center;background:#fff;border:1.5px solid var(--line);border-radius:12px;overflow:hidden}
.nd-search input{border:0;padding:10px 12px;font:inherit;font-size:15px;outline:none;width:160px;background:transparent}
.nd-search button{border:0;background:transparent;padding:0 12px;cursor:pointer;font-size:15px}
.nd-cta-fixed{white-space:nowrap}

@media(max-width:900px){
  .nd-burger{display:flex;order:3}
  .nd-header .nd-wrap{flex-wrap:wrap;height:auto;min-height:70px;padding-top:10px;padding-bottom:10px;gap:10px}
  .nd-logo{order:1;margin-right:auto}
  .nd-cta-fixed{order:2}
  .nd-headnav{order:4;width:100%;display:none;flex-direction:column;align-items:stretch;gap:10px;padding-top:8px}
  #nd-nav-toggle:checked ~ .nd-headnav{display:flex}
  .nd-switch,.nd-switch>summary{width:100%;justify-content:space-between}
  .nd-switch-menu{position:static;box-shadow:none;min-width:0;margin-top:6px}
  .nd-search{width:100%}
  .nd-search input{flex:1;width:auto}
}

/* Resume banner */
.nd-resume{background:var(--maroon);color:#fff;font-size:14.5px}
.nd-resume .nd-wrap{display:flex;align-items:center;gap:14px;padding-top:10px;padding-bottom:10px}
.nd-resume b{color:#fff}
.nd-resume .nd-btn.ghost.sm{background:#fff;border-color:#fff;color:var(--maroon)}
.nd-resume-x{margin-left:auto;background:transparent;border:0;color:#fff;cursor:pointer;font-size:16px}

/* Homepage = space chooser */
.nd-hero-choose{padding:60px 0 44px;background:radial-gradient(900px 420px at 50% -12%,var(--pink) 0,transparent 60%),#fff;text-align:center}
.nd-hero-choose h1{font-size:clamp(30px,5vw,48px);font-weight:800;letter-spacing:-.02em;margin:16px 0 12px}
.nd-hero-choose .hl{color:var(--maroon)}
.nd-space-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.nd-space-card{background:var(--tint,#f7f7f8);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 22px;text-align:center;transition:.24s;display:flex;flex-direction:column;align-items:center;gap:6px}
.nd-space-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--maroon)}
.nd-space-card .ic{font-size:40px;width:78px;height:78px;display:grid;place-items:center;background:#fff;border-radius:50%;box-shadow:var(--shadow-sm);margin-bottom:6px}
.nd-space-card .lb{font-weight:800;font-size:18px;color:var(--ink)}
.nd-space-card .ds{color:var(--gray);font-size:14px;min-height:20px}
.nd-space-card .go{margin-top:8px;color:var(--maroon);font-weight:700;font-size:14.5px}

/* Stats: no overlap when inside a normal section */
.nd-section .nd-stats{margin-top:0}
.nd-stats .card.nostick{margin-top:0}

/* Space hub */
.nd-space-hero{background:var(--tint,#f7f7f8);padding:46px 0}
.nd-space-hero h1{font-size:clamp(28px,4.5vw,44px);font-weight:800;margin:12px 0 8px;letter-spacing:-.02em}
.nd-space-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-weight:700;font-size:13px;color:var(--maroon)}
.nd-space-badge .ic{font-size:16px}
.nd-placeholder{color:var(--gray-2);font-style:italic}

/* Breadcrumb */
.nd-breadcrumb{background:#fff;border-bottom:1px solid var(--line);font-size:14px}
.nd-breadcrumb .nd-wrap{display:flex;align-items:center;gap:8px;padding-top:12px;padding-bottom:12px}
.nd-breadcrumb a{color:var(--gray)}
.nd-breadcrumb a:hover{color:var(--maroon)}
.nd-breadcrumb .sep{color:var(--gray-2)}
.nd-breadcrumb .cur{color:var(--ink);font-weight:600}

/* Price boxes */
.nd-price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.nd-price{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;display:flex;flex-direction:column;transition:.24s}
.nd-price:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.nd-price.feat{border-color:var(--maroon);box-shadow:var(--shadow)}
.nd-price .tag{align-self:flex-start;background:var(--pink);color:var(--maroon);font-weight:700;font-size:12px;padding:5px 12px;border-radius:999px;margin-bottom:12px}
.nd-price h3{font-size:17px;font-weight:800;margin:0 0 8px}
.nd-price .price{font-size:26px;font-weight:800;color:var(--maroon);margin-bottom:10px}
.nd-price p{color:var(--gray);font-size:14px;flex:1;margin:0 0 16px}

/* Form */
.nd-formwrap{max-width:640px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm)}
.nd-formhead{text-align:center;margin-bottom:22px}
.nd-form{display:flex;flex-direction:column;gap:14px}
.nd-form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:14.5px;color:var(--ink)}
.nd-form input,.nd-form select,.nd-form textarea{font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;outline:none;background:#fff}
.nd-form input:focus,.nd-form select:focus,.nd-form textarea:focus{border-color:var(--maroon)}
.nd-alert{padding:12px 16px;border-radius:12px;margin-bottom:16px;font-weight:600}
.nd-alert.ok{background:#e8f6ee;color:#1e7a44}
.nd-alert.err{background:#fdecec;color:#c0392b}

/* Góc khuất box */
.nd-gockhuat{background:var(--ink);color:#eee;border-radius:var(--radius);padding:24px;border-left:5px solid var(--maroon)}
.nd-gockhuat .gk-tag{color:#ffb84d;font-weight:800;margin-bottom:8px}
.nd-gockhuat p{margin:0;color:#d8d8d8}

/* Horizontal scroll table (mobile) */
.nd-scroll-table{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius)}
.nd-scroll-table table{border-collapse:collapse;width:100%;min-width:560px}
.nd-scroll-table th,.nd-scroll-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px;white-space:nowrap}
.nd-scroll-table th{background:var(--pink-soft);color:var(--maroon);font-weight:700}

/* /ui page */
.nd-ui-h{margin:40px 0 14px;font-size:20px;font-weight:800;color:var(--ink);border-top:1px dashed var(--line);padding-top:24px}
.nd-ui-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.nd-ui-swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.nd-ui-swatches .sw{height:72px;border-radius:12px;display:flex;align-items:flex-end;padding:10px;color:#fff;font-size:12.5px;font-weight:600;border:1px solid var(--line)}

.nd-price-grid.cols2{grid-template-columns:repeat(2,1fr);max-width:720px;margin-left:auto;margin-right:auto}
@media(max-width:900px){
  .nd-space-grid,.nd-price-grid,.nd-ui-swatches{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .nd-space-grid,.nd-price-grid,.nd-price-grid.cols2,.nd-ui-swatches{grid-template-columns:1fr}
  .nd-resume .nd-wrap{flex-wrap:wrap}
  .nd-formwrap{padding:22px}
}