/* SHINHA Learning Platform - Home Page CSS
   File: hoc-tieng-nhat/css/home.css
   Full style restored + JLPT card links fixed.
*/

:root{
  --shinha-navy:#16245D;
  --shinha-blue:#0B63F6;
  --shinha-blue-2:#3F6BFF;
  --shinha-light-blue:#EAF2FF;
  --shinha-bg:#F7F9FC;
  --shinha-card:#FFFFFF;
  --shinha-border:#E6ECF5;
  --shinha-text:#1A1F36;
  --shinha-muted:#667085;
  --shinha-success:#22C55E;
  --shinha-warning:#F59E0B;
  --shinha-danger:#EF4444;
  --shinha-purple:#8B3DFF;
  --shinha-orange:#FF8A00;
  --shadow-card:0 8px 24px rgba(22,36,93,.08);
  --shadow-hover:0 18px 42px rgba(22,36,93,.14);
  --home-max:1720px;
  --home-gutter:clamp(18px,2.4vw,40px);
  --home-content:min(var(--home-max),calc(100% - var(--home-gutter) * 2));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#f4f9ff 0,#fff 38%,#f8fbff 100%);color:var(--shinha-navy);line-height:1.5;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
svg{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}
.sh-container{width:var(--home-content);margin-inline:auto}
.sr-header.sh-learning-header{padding-inline:max(var(--home-gutter),calc((100% - var(--home-content)) / 2))}
.section-tight{padding:34px 0}
#roadmap,#free,#courses,#learn,#contact,#vip{scroll-margin-top:92px}

/* Header */
.sh-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid #dbe7fb}
.sh-header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.sh-brand{display:flex;align-items:center;gap:10px;min-width:190px;color:var(--shinha-navy)}
.sh-brand img{width:46px;height:46px;object-fit:contain}
.sh-brand strong{display:block;font-size:28px;letter-spacing:.02em;font-weight:900;line-height:1;color:var(--shinha-navy)}
.sh-brand em{display:block;font-style:normal;font-size:13px;color:#6b7898;margin-top:4px}
.sh-nav{display:flex;align-items:center;gap:18px;height:100%}
.sh-nav a{height:100%;display:flex;align-items:center;gap:8px;padding:0 10px;font-size:15px;font-weight:800;color:var(--shinha-navy);border-bottom:4px solid transparent;white-space:nowrap;opacity:.95}
.sh-nav a svg{width:20px;height:20px;color:var(--shinha-navy)}
.sh-nav a:hover,.sh-nav a.active{color:var(--shinha-blue);border-bottom-color:var(--shinha-blue)}
.sh-nav a:hover svg,.sh-nav a.active svg{color:var(--shinha-blue)}
.sh-header-actions{display:flex;align-items:center;gap:12px}
.sh-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;min-height:44px;padding:0 22px;font-weight:900;font-size:15px;border:1.5px solid transparent;box-shadow:none;cursor:pointer;transition:.18s ease;white-space:nowrap}
.sh-btn-primary{background:linear-gradient(135deg,var(--shinha-blue),#1d74ff);color:#fff;box-shadow:0 10px 24px rgba(11,99,246,.22)}
.sh-btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(11,99,246,.28)}
.sh-btn-outline{background:#fff;color:var(--shinha-blue);border-color:#abc7ff}
.sh-btn-outline:hover{background:#eef5ff}
.sh-btn-white{background:#fff;color:var(--shinha-navy);border-color:#d8e4f8;box-shadow:0 8px 18px rgba(22,36,93,.08)}
.sh-btn-big{min-height:54px;padding:0 30px;font-size:17px;border-radius:16px}
.btn-icon{width:18px;height:18px}
.sh-menu-btn{display:none;width:44px;height:44px;border:1px solid #dbe7fb;background:#fff;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.sh-menu-btn i{display:block;width:20px;height:2px;background:var(--shinha-navy);border-radius:2px}
.sh-mobile-menu{display:none}

/* Hero */
.hero-demo{position:relative;min-height:360px;overflow:hidden;background:linear-gradient(135deg,#ffffff 0%,#eff7ff 52%,#eaf3ff 100%);border-bottom:1px solid #dbe7fb}
.hero-demo:after{content:"";position:absolute;left:-10%;right:-10%;bottom:-52px;height:118px;background:#fff;border-radius:50% 50% 0 0/100% 100% 0 0;z-index:1}
.hero-demo-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);align-items:center;gap:24px;min-height:360px;padding:34px 0 48px}
.hero-demo-copy{max-width:620px}
.hero-pill{display:inline-flex;align-items:center;border-radius:999px;background:#eaf2ff;color:var(--shinha-blue);font-weight:900;padding:6px 14px;margin-bottom:12px;box-shadow:0 8px 20px rgba(63,107,255,.12)}
.hero-demo h1{margin:0;font-size:clamp(36px,4.6vw,64px);line-height:.98;font-weight:950;letter-spacing:-.05em;color:var(--shinha-navy)}
.hero-demo h1 span{color:var(--shinha-blue)}
.hero-demo p{font-size:clamp(17px,1.8vw,22px);color:#435270;margin:14px 0 20px;font-weight:650}
.hero-demo-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-demo-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:260px}
.hero-main-mascot{width:min(300px,82%);filter:drop-shadow(0 16px 28px rgba(22,36,93,.16));position:relative;z-index:3}
.hero-japan-banner{position:absolute;inset:auto 0 0 0;width:100%;height:100%;object-fit:cover;opacity:.18;z-index:0;pointer-events:none}
.hero-art{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.6}
.sun-cloud{position:absolute;background:#fff;border-radius:999px;box-shadow:32px 8px 0 8px rgba(255,255,255,.8)}
.sun-cloud.c1{right:11%;top:18%;width:80px;height:34px}.sun-cloud.c2{left:9%;top:22%;width:70px;height:28px}
.fuji{position:absolute;right:25%;bottom:18%;width:360px;height:180px;background:linear-gradient(135deg,#b7d4ff,#eff7ff);clip-path:polygon(50% 0,100% 100%,0 100%);opacity:.9}.fuji span{position:absolute;left:34%;top:0;width:32%;height:25%;background:#fff;clip-path:polygon(50% 0,100% 100%,0 100%)}
.petals i{position:absolute;width:10px;height:10px;background:#ffb8cc;border-radius:10px 10px 10px 0;opacity:.75;z-index:2}.petals i:nth-child(1){left:7%;top:32%}.petals i:nth-child(2){left:50%;top:18%}.petals i:nth-child(3){right:12%;top:30%}.petals i:nth-child(4){right:32%;top:66%}.petals i:nth-child(5){left:23%;top:68%}.petals i:nth-child(6){right:6%;top:68%}

/* Stats + Search */
.stats-floating{position:relative;z-index:3;margin-top:-30px}.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid #dbe7fb;border-radius:18px;box-shadow:var(--shadow-card);overflow:hidden}.stats-bar article{display:grid;grid-template-columns:44px 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;padding:24px 28px;border-right:1px solid #dbe7fb}.stats-bar article:last-child{border-right:0}.stats-bar span{grid-row:1/3;color:var(--shinha-blue);font-size:34px}.stats-bar svg{width:34px;height:34px}.stats-bar strong{font-size:26px;line-height:1;font-weight:950;color:var(--shinha-navy)}.stats-bar em{font-style:normal;font-weight:800;color:var(--shinha-navy);font-size:15px}
.quick-search{padding:26px 0 20px;position:relative;z-index:4}.qns-root{position:relative}.qns-root.is-open{z-index:60}.search-box,.qns-search-box{width:100%;min-height:68px;border:1px solid #d7e5fb;background:#fff;border-radius:999px;box-shadow:0 8px 22px rgba(22,36,93,.06);display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:14px;text-align:left;padding:0 28px;color:var(--shinha-navy);cursor:text}.qns-search-icon{display:grid;place-items:center;width:42px;height:42px;margin:0;padding:0;border:0;background:transparent;color:var(--shinha-blue);cursor:pointer;border-radius:50%;transition:transform .18s ease,background .18s ease}.qns-search-icon:hover{background:#eef5ff;transform:scale(1.04)}.qns-search-icon svg{width:30px;height:30px;color:var(--shinha-blue)}.qns-search-input{width:100%;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:16px;font-weight:800;color:var(--shinha-navy);cursor:text}.qns-search-input::placeholder{color:#64718e;font-weight:800}.qns-search-input::-webkit-search-cancel-button,.qns-search-input::-webkit-search-decoration{display:none}.qns-search-hint{font-style:normal;font-weight:800;color:#99a5bd;font-size:16px;pointer-events:none;white-space:nowrap}.qns-backdrop{position:fixed;inset:0;z-index:55;background:rgba(15,35,80,.05);backdrop-filter:blur(1px);-webkit-backdrop-filter:blur(1px)}.qns-dropdown{position:absolute;top:calc(100% + 10px);left:0;width:100%;max-height:min(70vh,620px);overflow:auto;background:#fff;border:1px solid rgba(30,100,255,.12);border-radius:22px;padding:18px;box-shadow:0 18px 45px rgba(15,35,80,.14);z-index:60;opacity:0;transform:translateY(-8px);transition:opacity .18s ease,transform .18s ease;pointer-events:none}.qns-dropdown.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.qns-group+.qns-group{margin-top:18px;padding-top:18px;border-top:1px solid rgba(30,100,255,.08)}.qns-group-title{margin:0 0 12px;font-size:12px;line-height:1.2;font-weight:950;letter-spacing:.08em;color:#667085}.qns-group-items{display:grid;grid-template-columns:1fr;gap:8px}.qns-item{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border-radius:16px;text-decoration:none;color:var(--shinha-navy);border:1px solid transparent;transition:background .16s ease,transform .16s ease,border-color .16s ease}.qns-item:hover,.qns-item.is-active{background:#f5f9ff;transform:translateY(-1px);border-color:rgba(18,103,255,.08)}.qns-item:active{transform:translateY(0)}.qns-item-icon{flex:0 0 auto;font-size:22px;line-height:1;transition:transform .16s ease}.qns-item:hover .qns-item-icon,.qns-item.is-active .qns-item-icon{transform:scale(1.05)}.qns-item-body{display:grid;gap:4px;min-width:0}.qns-item-title{font-size:15px;line-height:1.25;font-weight:950;color:var(--shinha-navy);transition:color .16s ease}.qns-item:hover .qns-item-title,.qns-item.is-active .qns-item-title{color:#1267ff}.qns-item-desc{font-size:13px;line-height:1.45;font-weight:650;color:#667085}.qns-empty{margin:0;padding:18px 8px;text-align:center;font-size:14px;line-height:1.55;font-weight:700;color:#667085}
@media (prefers-reduced-motion:reduce){.qns-dropdown,.qns-item,.qns-item-icon,.qns-search-icon{transition:none!important}}

/* Titles */
.demo-title{text-align:center;margin-bottom:28px}.demo-title span{display:inline-flex;align-items:center;gap:10px;font-size:26px;line-height:1.2;font-weight:950;letter-spacing:-.02em;color:var(--shinha-navy)}.demo-title i{width:10px;height:10px;background:#ff9bb7;border-radius:999px;box-shadow:8px 8px 0 #ffd264;display:inline-block}.demo-title p{margin:10px 0 0;color:#374667;font-weight:800}
.demo-row-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.demo-row-title h2{margin:0;font-size:25px;font-weight:950;color:var(--shinha-navy);display:flex;align-items:center;gap:8px}.demo-row-title h2:before{content:"";width:12px;height:12px;background:var(--shinha-blue);border-radius:4px}.demo-row-title a{font-weight:900;color:var(--shinha-blue)}

/* Roadmap */
.roadmap-demo{padding-top:24px}.roadmap-line-wrap{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(16px,2.2vw,34px);align-items:stretch}.roadmap-line{position:absolute;left:6%;right:6%;top:50%;height:2px;border-top:2px dashed #87a9ff;z-index:0}.jlpt-card{position:relative;z-index:1;background:#fff;border:2px solid currentColor;border-radius:14px;min-height:230px;padding:26px 22px 20px;text-align:center;box-shadow:0 18px 40px rgba(22,36,93,.07);display:flex;flex-direction:column;align-items:center;color:var(--shinha-blue);cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.jlpt-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}.jlpt-card:focus-visible{outline:4px solid rgba(63,107,255,.22);outline-offset:4px}.jlpt-card i{position:absolute;top:-18px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:currentColor;color:#fff}.jlpt-card i svg{width:18px;height:18px;stroke:#fff}.jlpt-card b{font-size:36px;line-height:1;font-weight:950}.jlpt-card strong{font-size:15px;margin:5px 0 14px;font-weight:950}.jlpt-card em{font-style:normal;font-size:15px;line-height:1.45;color:var(--shinha-navy);font-weight:900}.jlpt-card small{display:block;margin:12px 0 8px;color:var(--shinha-navy);font-weight:800}.mini-track{height:7px;width:100%;background:#eaf0fa;border-radius:999px;overflow:hidden;margin-bottom:12px}.mini-track span{display:block;height:100%;width:0;background:currentColor;border-radius:999px}.level-card-action{display:flex;align-items:center;justify-content:center;width:100%;min-height:36px;border-radius:10px;border:1.5px solid currentColor;background:#fff;font-weight:950;color:currentColor;line-height:1;pointer-events:none}.jlpt-card.n5{color:#20b86a}.jlpt-card.n4{color:#176cff}.jlpt-card.n3{color:#ff8a00}.jlpt-card.n2{color:#8b3dff}.jlpt-card.n1{color:#ef4056}

/* Main courses */
.main-course-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(12px,1.4vw,16px)}.main-course-card{background:#fff;border:1px solid #dbe7fb;border-radius:14px;min-height:178px;padding:24px 16px;text-align:center;box-shadow:0 10px 26px rgba(22,36,93,.05);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:.18s ease}.main-course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}.main-course-card span{font-size:36px;margin-bottom:12px}.main-course-card svg{width:36px;height:36px}.main-course-card strong{font-size:18px;font-weight:950;color:var(--shinha-navy)}.main-course-card em{font-style:normal;color:var(--shinha-navy);font-weight:800;line-height:1.45;margin:6px 0 8px}.main-course-card small{border:1.5px solid currentColor;border-radius:999px;padding:2px 12px;font-weight:900;background:#fff}.main-course-card.blue{color:var(--shinha-blue)}.main-course-card.green{color:#18b46b}.main-course-card.orange{color:#ff8a00}.main-course-card.purple{color:#8b3dff}.main-course-card.red{color:#ef4056}

/* Free lesson cards */
.free-demo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(12px,1.4vw,16px)}.lesson-mini-card{position:relative;min-height:132px;background:#fff;border:1px solid #dbe7fb;border-radius:14px;padding:16px 92px 14px 16px;box-shadow:0 8px 22px rgba(22,36,93,.05);overflow:hidden;transition:.18s ease}.lesson-mini-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.lesson-mini-card b{display:inline-flex;background:var(--shinha-blue);color:#fff;border-radius:5px;padding:3px 8px;font-size:12px;margin-bottom:8px}.lesson-mini-card strong{display:block;font-size:17px;line-height:1.15;font-weight:950;color:var(--shinha-navy)}.lesson-mini-card span{display:flex;align-items:center;gap:6px;color:var(--shinha-blue);font-size:13px;font-weight:800;margin-top:12px}.lesson-mini-card span svg{width:14px;height:14px}.lesson-mini-card img{position:absolute;right:10px;bottom:8px;width:74px;height:74px;object-fit:contain}

/* VIP */
.vip-demo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.4vw,16px)}.vip-mini-card{position:relative;min-height:150px;background:#fff;border:1px solid #dbe7fb;border-radius:18px;padding:22px;box-shadow:0 8px 22px rgba(22,36,93,.05);overflow:hidden;display:flex;flex-direction:column;gap:8px;transition:.18s ease}.vip-mini-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}.vip-mini-card span{font-size:30px}.vip-mini-card strong{font-size:19px;font-weight:950;color:var(--shinha-navy)}.vip-mini-card em{font-style:normal;color:#6b7898;font-weight:750}.vip-mini-card b{width:max-content;background:#fff3cc;color:#a56b00;border:1px solid #ffe08a;border-radius:999px;padding:2px 10px;font-size:12px}.vip-mini-card i{position:absolute;right:18px;top:18px;font-size:20px;opacity:.35}.vip-mini-card.green{color:#18b46b}.vip-mini-card.purple{color:#8b3dff}.vip-mini-card.orange{color:#ff8a00}.vip-mini-card.blue{color:var(--shinha-blue)}

/* Benefits */
.benefit-demo-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(10px,1.2vw,14px)}.benefit-demo-grid article{background:#fff;border:1px solid #dbe7fb;border-radius:16px;padding:22px 14px;text-align:center;box-shadow:0 8px 22px rgba(22,36,93,.05)}.benefit-demo-grid span{display:grid;place-items:center;margin:0 auto 12px;width:48px;height:48px;border-radius:16px;background:#eaf2ff;color:var(--shinha-blue);font-size:26px}.benefit-demo-grid strong{display:block;font-weight:950;color:var(--shinha-navy)}.benefit-demo-grid em{font-style:normal;color:#6b7898;font-size:13px;font-weight:700}

/* CTA + Footer */
.cta-demo{padding:38px 0 52px}.cta-demo-card{display:grid;grid-template-columns:120px 1fr auto auto;gap:22px;align-items:center;background:linear-gradient(135deg,#eaf4ff,#fff);border:1px solid #cfe0fb;border-radius:24px;padding:28px 34px;box-shadow:var(--shadow-card)}.cta-demo-card img{width:110px;height:110px;object-fit:contain}.cta-demo-card h2{margin:0;font-size:28px;font-weight:950;color:var(--shinha-navy)}.cta-demo-card p{margin:6px 0 0;color:#64718e;font-weight:800}
.footer-demo{background:#0f1d52;color:#fff;padding:44px 0 0}.footer-demo-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:clamp(20px,2vw,36px)}.footer-demo h3{font-size:15px;margin:0 0 14px;color:#fff}.footer-demo a{display:block;color:#d7e2ff;margin:8px 0;font-weight:700}.footer-demo p{color:#d7e2ff;margin:8px 0}.footer-brand{display:flex!important;align-items:center;gap:10px;color:#fff!important;margin:0 0 12px!important}.footer-brand img{width:42px;height:42px}.footer-brand strong{font-size:24px}.footer-social{display:flex;gap:8px;margin-top:12px}.footer-social a{width:34px;height:34px;border-radius:50%;display:grid!important;place-items:center;background:rgba(255,255,255,.12);margin:0}.footer-copy{text-align:center;margin-top:34px;padding:18px;border-top:1px solid rgba(255,255,255,.13);color:#b9c9ff;font-weight:700}

/* Responsive */
@media (min-width:720px){.qns-group-items{grid-template-columns:repeat(2,1fr)}}
/* Desktop learning workspace: retain the full-width hero background, while keeping
   generous, usable outer gutters for the two fixed recommendation rails. */
@media (min-width:1440px){:root{--home-max:1200px}.sr-header.sh-learning-header{padding-inline:max(var(--home-gutter),calc((100% - 1720px)/2))}}
@media (max-width:1100px){.sh-nav{gap:8px}.sh-header-actions .sh-btn{display:none}.roadmap-line-wrap{gap:20px}.main-course-grid{grid-template-columns:repeat(3,1fr)}.free-demo-grid{grid-template-columns:repeat(3,1fr)}.benefit-demo-grid{grid-template-columns:repeat(3,1fr)}.footer-demo-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.sh-header-inner{height:66px}.sh-brand strong{font-size:22px}.sh-nav{display:none}.sh-menu-btn{display:flex}.sr-header.sh-learning-header{padding-inline:var(--home-gutter)}.hero-demo{min-height:0}.hero-demo-grid{grid-template-columns:1fr;text-align:center;min-height:0;padding:28px 0 44px;gap:18px}.hero-demo-copy{margin:auto}.hero-demo-actions{justify-content:center}.hero-demo-visual{min-height:210px}.hero-main-mascot{width:min(240px,72%)}.stats-bar{grid-template-columns:repeat(2,1fr)}.stats-bar article{border-bottom:1px solid #dbe7fb}.roadmap-line-wrap{grid-template-columns:1fr;gap:18px}.roadmap-line{display:none}.jlpt-card{min-height:auto}.search-box,.qns-search-box{grid-template-columns:34px 1fr;padding:0 18px}.qns-search-hint{display:none}.qns-dropdown{width:var(--home-content);max-width:calc(100vw - var(--home-gutter) * 2);left:50%;transform:translateX(-50%) translateY(-8px)}.qns-dropdown.is-visible{transform:translateX(-50%) translateY(0)}.cta-demo-card{grid-template-columns:1fr;text-align:center}.cta-demo-card img{margin:auto}}
@media (max-width:640px){.sh-container{width:calc(100% - var(--home-gutter) * 2)}.main-course-grid,.free-demo-grid,.vip-demo-grid,.benefit-demo-grid{grid-template-columns:1fr}.stats-bar{grid-template-columns:1fr}.stats-bar article{border-right:0}.demo-title span{font-size:21px}.hero-demo h1{font-size:42px}.hero-demo p{font-size:17px}.sh-btn-big{width:100%}.footer-demo-grid{grid-template-columns:1fr}.lesson-mini-card{padding-right:100px}.qns-group-items{grid-template-columns:1fr}}