/* BeKhmer Learn Khmer v0.2.0 */
.learn-main{background:#fbf8f3;color:#3c2c26}
.learn-main [lang="km"]{font-family:"Noto Serif Khmer","Khmer OS",serif}
.learn-hero{position:relative;overflow:hidden;border-bottom:1px solid #e7d9c8;background:radial-gradient(circle at 81% 16%,rgba(232,182,76,.25),transparent 27%),linear-gradient(135deg,#f8efe2 0%,#fffaf3 52%,#efe0ca 100%)}
.learn-hero:before{content:"";position:absolute;inset:auto 0 0;height:86px;background:linear-gradient(180deg,transparent,rgba(121,80,39,.055));pointer-events:none}
.learn-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(390px,.92fr);gap:70px;align-items:center;min-height:505px;padding-top:62px;padding-bottom:62px}
.learn-kicker,.learn-eyebrow{display:inline-flex;align-items:center;gap:9px;color:#8b1a1f;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.learn-kicker span{color:#c69235}
.learn-hero h1{max-width:720px;margin:13px 0 16px;color:#30211c;font:600 58px/.98 "Cormorant Garamond",Georgia,serif;letter-spacing:-.035em}
.learn-hero-copy>p{max-width:690px;margin:0;color:#6f625a;font-size:17px;line-height:1.7}
.learn-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
.learn-access-note{display:flex;align-items:center;gap:12px;max-width:640px;margin-top:23px;padding:13px 15px;border:1px solid #dfcfbd;border-radius:12px;background:rgba(255,255,255,.58);color:#705f55}
.learn-access-note.is-member{border-color:#cdd9c5;background:#f6fbf3}
.learn-access-icon{display:grid;place-items:center;flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:#eee0cf;color:#8b1a1f;font-weight:800}
.learn-access-note.is-member .learn-access-icon{background:#dcead5;color:#37632e}
.learn-access-note div{display:flex;flex-direction:column;gap:1px}
.learn-access-note strong{font-size:13px;color:#4b3931}
.learn-access-note span:not(.learn-access-icon){font-size:12px;line-height:1.45}
.learn-hero-visual{position:relative;min-height:365px}
.learn-visual-sun{position:absolute;right:30px;top:10px;width:118px;height:118px;border-radius:50%;background:radial-gradient(circle,#efd37d 0%,#e8b957 46%,rgba(232,185,87,.08) 68%,transparent 70%);opacity:.8}
.learn-scene-card{position:absolute;border:1px solid rgba(135,93,53,.17);background:rgba(255,252,246,.93);box-shadow:0 22px 44px rgba(72,45,27,.12)}
.learn-scene-card-main{right:20px;top:72px;width:310px;padding:31px 30px 27px;border-radius:20px;transform:rotate(1.8deg)}
.learn-scene-card-main:before{content:"";position:absolute;left:24px;top:-15px;width:52px;height:29px;background:#d5a64d;opacity:.78;transform:rotate(-5deg)}
.learn-scene-label{display:block;margin-bottom:15px;color:#9b7440;font-size:10px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.learn-scene-card-main strong{display:block;color:#751117;font-size:49px;line-height:1.25;font-weight:600}
.learn-scene-roman{display:block;margin-top:3px;color:#9a5b4b;font-size:15px;font-weight:700}
.learn-scene-card-main small{display:block;margin-top:8px;color:#76675e;font-size:13px}
.learn-scene-card-small{width:165px;padding:18px 18px 16px;border-radius:15px}
.learn-scene-card-small b{display:block;color:#5d201f;font-size:22px;font-weight:600}
.learn-scene-card-small span{display:block;margin-top:5px;color:#826f63;font-size:11px}
.learn-scene-card-small.is-one{left:5px;top:55px;transform:rotate(-5deg)}
.learn-scene-card-small.is-two{left:44px;bottom:25px;transform:rotate(4deg)}
.learn-scene-ground{position:absolute;right:-38px;bottom:0;width:410px;height:96px;border-radius:50% 50% 0 0;background:linear-gradient(180deg,#d9b36c,#c8974d);opacity:.28;transform:skewX(-12deg)}
.learn-scene-ground i{position:absolute;bottom:40px;width:4px;height:64px;background:#77573c;border-radius:5px;transform-origin:bottom;opacity:.55}
.learn-scene-ground i:after{content:"";position:absolute;left:-12px;top:1px;width:28px;height:23px;border-radius:50% 50% 45% 45%;background:#688458}
.learn-scene-ground i:nth-child(1){left:70px;transform:rotate(-8deg)}.learn-scene-ground i:nth-child(2){left:145px;height:77px}.learn-scene-ground i:nth-child(3){left:235px;height:57px;transform:rotate(9deg)}.learn-scene-ground i:nth-child(4){left:320px;height:72px;transform:rotate(4deg)}
.learn-principles{background:#fff;border-bottom:1px solid #eee4d9}
.learn-principles-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.learn-principles-grid>div{position:relative;padding:26px 32px 27px;border-left:1px solid #eee4d9}
.learn-principles-grid>div:last-child{border-right:1px solid #eee4d9}
.learn-principles-grid span{position:absolute;right:19px;top:15px;color:#eadbc9;font:600 34px/1 "Cormorant Garamond",Georgia,serif}
.learn-principles-grid strong{display:block;color:#392822;font:600 20px/1.1 "Cormorant Garamond",Georgia,serif}
.learn-principles-grid p{margin:7px 0 0;color:#786b63;font-size:12.5px;line-height:1.55}
.learn-course{padding-top:58px;padding-bottom:70px}
.learn-section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:34px}
.learn-section-heading h2,.learn-bottom-note h2{margin:7px 0 8px;color:#30211d;font:600 38px/1.02 "Cormorant Garamond",Georgia,serif;letter-spacing:-.02em}
.learn-section-heading p,.learn-bottom-note p{max-width:680px;margin:0;color:#766960;font-size:14px;line-height:1.6}
.learn-course-count{display:flex;align-items:baseline;gap:7px;padding:11px 15px;border:1px solid #e6d8c8;border-radius:999px;background:#fff}
.learn-course-count strong{color:#86171c;font:700 24px/1 "Cormorant Garamond",Georgia,serif}.learn-course-count span{color:#88776c;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.learn-track{margin-top:42px;padding:27px;border:1px solid #e7dbcf;border-radius:18px;background:rgba(255,255,255,.68);box-shadow:0 12px 32px rgba(70,45,30,.045)}
.learn-track:first-of-type{margin-top:0}
.learn-track-heading{display:flex;align-items:center;gap:18px;margin-bottom:22px;padding-bottom:20px;border-bottom:1px solid #eee4da}
.learn-track-mark{display:grid;grid-template-columns:repeat(3,9px);gap:4px;align-items:end;flex:0 0 40px;height:42px;padding:8px;border-radius:12px;background:#f4e8d4}.learn-track-mark span{display:block;border-radius:5px 5px 1px 1px;background:#bf8a31}.learn-track-mark span:nth-child(1){height:15px}.learn-track-mark span:nth-child(2){height:26px}.learn-track-mark span:nth-child(3){height:20px}
.learn-track-rose .learn-track-mark{background:#f6e4e0}.learn-track-rose .learn-track-mark span{background:#a64d4d}.learn-track-teal .learn-track-mark{background:#dfecea}.learn-track-teal .learn-track-mark span{background:#4e7b73}
.learn-track-khmer{display:block;color:#9e7650;font-size:12px;line-height:1.5}.learn-track-heading h3{margin:1px 0 3px;color:#34241f;font:600 27px/1 "Cormorant Garamond",Georgia,serif}.learn-track-heading p{margin:0;color:#786b63;font-size:12.5px}
.learn-lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.learn-lesson-card{position:relative;min-height:305px;padding:19px 19px 17px;border:1px solid #e8ddd2;border-radius:15px;background:#fff;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.learn-lesson-card:not(.is-coming):hover{transform:translateY(-2px);border-color:#d7c3ad;box-shadow:0 12px 25px rgba(65,42,28,.075)}
.learn-lesson-card.is-coming{background:#fcfaf7;opacity:.76}
.learn-card-topline{display:flex;align-items:center;justify-content:space-between;gap:10px}.learn-lesson-number{color:#9b887a;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.learn-card-badge{padding:5px 8px;border-radius:999px;font-size:9px;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.learn-card-badge.is-sample{background:#f7e8c7;color:#805b18}.learn-card-badge.is-open{background:#e4efde;color:#406238}.learn-card-badge.is-locked{background:#efe9e4;color:#77675e}.learn-card-badge.is-coming{background:#f0ece8;color:#96877e}
.learn-card-icon,.learn-lesson-hero-mark{position:relative;width:56px;height:56px;margin:22px 0 14px;border-radius:16px;background:#f3e3d0;overflow:hidden}.learn-card-icon:before,.learn-card-icon:after,.learn-card-icon span:before,.learn-card-icon span:after,.learn-lesson-hero-mark:before,.learn-lesson-hero-mark:after,.learn-lesson-hero-mark span:before,.learn-lesson-hero-mark span:after{content:"";position:absolute;display:block}
.learn-icon-speech:before{left:11px;top:13px;width:31px;height:22px;border-radius:10px;background:#a9554f}.learn-icon-speech:after{left:18px;top:31px;border:7px solid transparent;border-top-color:#a9554f;transform:rotate(18deg)}
.learn-icon-numbers:before{content:"១២៣";inset:10px 3px auto;color:#8b1a1f;font:600 20px/1.6 "Noto Serif Khmer",serif;text-align:center}
.learn-icon-people:before{left:10px;top:10px;width:15px;height:15px;border-radius:50%;background:#b8883b;box-shadow:21px 2px 0 #90534c}.learn-icon-people:after{left:7px;bottom:10px;width:22px;height:17px;border-radius:13px 13px 7px 7px;background:#b8883b;box-shadow:22px 1px 0 #90534c}
.learn-icon-conversation:before{left:9px;top:10px;width:25px;height:19px;border-radius:9px;background:#9c4d4a}.learn-icon-conversation:after{right:8px;bottom:11px;width:27px;height:20px;border-radius:9px;background:#d3a64f}
.learn-icon-script:before{content:"ក";inset:5px 0 auto;color:#8b1a1f;font:600 34px/1.35 "Noto Serif Khmer",serif;text-align:center}
.learn-icon-food:before{left:12px;bottom:12px;width:31px;height:16px;border-radius:0 0 18px 18px;background:#a55d4f}.learn-icon-food:after{left:17px;top:14px;width:3px;height:16px;border-radius:3px;background:#d0a34b;box-shadow:9px -3px 0 #d0a34b,18px 2px 0 #d0a34b}
.learn-card-khmer{display:block;color:#a07850;font-size:12px}.learn-lesson-card h4{margin:4px 0 8px;color:#34241f;font:600 24px/1.05 "Cormorant Garamond",Georgia,serif}.learn-lesson-card>p{margin:0;color:#75685f;font-size:12.5px;line-height:1.55;flex:1}.learn-card-meta{display:flex;gap:13px;margin-top:16px;color:#9a897e;font-size:10px}.learn-card-meta span+span:before{content:"•";margin-right:13px;color:#c7b09b}.learn-card-action{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:12px;border-top:1px solid #f0e8df;color:#8b171c;font-size:12px;font-weight:800}.learn-card-action.is-disabled{color:#a4968c}.learn-card-action b{font-size:17px}
.learn-bottom-note{border-top:1px solid #eaded1;background:linear-gradient(135deg,#f4e7d8,#fffaf4)}.learn-bottom-note-inner{display:flex;align-items:center;justify-content:space-between;gap:42px;padding-top:44px;padding-bottom:44px}.learn-bottom-note h2{font-size:33px}
.learn-lesson-hero{border-bottom:1px solid #e7d9ca;background:radial-gradient(circle at 87% 20%,rgba(215,167,72,.16),transparent 26%),linear-gradient(135deg,#f7ede1,#fffaf4)}.learn-lesson-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) 170px;gap:45px;align-items:center;min-height:330px;padding-top:43px;padding-bottom:43px}.learn-back-link{display:inline-flex;margin-bottom:25px;color:#8b1a1f;font-size:12px;font-weight:800}.learn-back-link:hover{text-decoration:underline}.learn-lesson-labels{display:flex;gap:8px;align-items:center;margin-bottom:9px}.learn-lesson-labels span{padding:5px 9px;border-radius:999px;background:#eee4da;color:#75665d;font-size:9px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.learn-lesson-labels .is-sample{background:#f6e3bb;color:#7d5915}.learn-lesson-labels .is-member{background:#dfead9;color:#42613a}.learn-lesson-khmer-title{display:block;color:#a0744e;font-size:15px}.learn-lesson-hero h1{margin:4px 0 10px;color:#30211d;font:600 49px/1 "Cormorant Garamond",Georgia,serif;letter-spacing:-.025em}.learn-lesson-hero p{max-width:700px;margin:0;color:#71645d;font-size:15px;line-height:1.65}.learn-lesson-meta{display:flex;gap:13px;margin-top:17px;color:#8e7d72;font-size:11px;font-weight:700}.learn-lesson-meta span+span:before{content:"•";margin-right:13px;color:#c3a991}.learn-lesson-hero-mark{width:135px;height:135px;margin:0;justify-self:end;border-radius:30px;background:#f2dfc9}.learn-lesson-hero-mark.learn-icon-speech:before{left:28px;top:34px;width:73px;height:51px;border-radius:22px}.learn-lesson-hero-mark.learn-icon-speech:after{left:45px;top:78px;border-width:15px}.learn-lesson-hero-mark.learn-icon-numbers:before{inset:27px 5px auto;font-size:43px}.learn-lesson-hero-mark.learn-icon-people:before{left:27px;top:27px;width:33px;height:33px;box-shadow:48px 5px 0 #90534c}.learn-lesson-hero-mark.learn-icon-people:after{left:20px;bottom:23px;width:49px;height:38px;box-shadow:49px 2px 0 #90534c}.learn-lesson-hero-mark.learn-icon-conversation:before{left:23px;top:26px;width:59px;height:43px;border-radius:19px}.learn-lesson-hero-mark.learn-icon-conversation:after{right:20px;bottom:27px;width:64px;height:46px;border-radius:19px}.learn-lesson-hero-mark.learn-icon-script:before{inset:19px 0 auto;font-size:79px}
.learn-lesson-content{padding-top:36px;padding-bottom:68px;max-width:1040px}.learn-pronunciation-note{display:flex;align-items:flex-start;gap:15px;padding:15px 17px;border:1px solid #ead9c5;border-radius:12px;background:#fff8eb;margin-bottom:30px}.learn-pronunciation-note strong{flex:0 0 auto;color:#7b571c;font-size:12px}.learn-pronunciation-note span{color:#806e5d;font-size:12px;line-height:1.5}
.learn-content-block{display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;padding:24px;border:1px solid #e8ddd2;border-radius:15px;background:#fff}.learn-block-number{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#f2e5d5;color:#9c6e2b;font:600 20px/1 "Cormorant Garamond",Georgia,serif}.learn-content-block h2,.learn-content-heading h2{margin:0;color:#34241f;font:600 30px/1.05 "Cormorant Garamond",Georgia,serif}.learn-content-block p{margin:8px 0 0;color:#766961;font-size:14px;line-height:1.65}
.learn-content-section{margin-top:37px}.learn-content-heading{margin-bottom:15px}.learn-content-heading>span{display:block;margin-bottom:3px;color:#9b7448;font-size:10px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.learn-vocab-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.learn-vocab-card{position:relative;padding:20px 21px;border:1px solid #eadfd5;border-radius:13px;background:#fff;min-height:137px}.learn-vocab-card strong{display:block;color:#721116;font-size:25px;line-height:1.55;font-weight:600}.learn-vocab-roman{display:block;color:#a46652;font-size:12px;font-weight:800}.learn-vocab-english{display:block;margin-top:4px;color:#4d3a32;font-size:13px}.learn-vocab-card small{display:block;margin-top:9px;padding-top:8px;border-top:1px solid #f1e8df;color:#8b7c72;font-size:10.5px;line-height:1.4}
.learn-dialogue{overflow:hidden;border:1px solid #e8ddd2;border-radius:15px;background:#fff}.learn-dialogue-line{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:18px 20px}.learn-dialogue-line+.learn-dialogue-line{border-top:1px solid #f0e7df}.learn-speaker{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#f0dfcc;color:#8b1a1f;font-size:12px;font-weight:800}.learn-dialogue-line strong{display:block;color:#4d2925;font-size:21px;font-weight:600}.learn-dialogue-line div>span{display:block;margin-top:2px;color:#9d6452;font-size:11.5px;font-weight:700}.learn-dialogue-line small{display:block;margin-top:3px;color:#7f7067;font-size:11px}
.learn-concept-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.learn-concept-card{padding:20px;border:1px solid #e8ddd2;border-radius:14px;background:#fff}.learn-concept-card>span{display:block;color:#d5b582;font:600 25px/1 "Cormorant Garamond",Georgia,serif}.learn-concept-card h3{margin:9px 0 7px;color:#422e27;font:600 21px/1.08 "Cormorant Garamond",Georgia,serif}.learn-concept-card p{margin:0;color:#786b63;font-size:12px;line-height:1.55}
.learn-practice-card{padding:23px;border:1px solid #d8c7b3;border-radius:15px;background:linear-gradient(135deg,#fffaf2,#f7ecdd)}.learn-practice-card p{margin:0;color:#4a352d;font-size:15px;line-height:1.6}.learn-reveal-button{margin-top:16px;border:1px solid #b99978;border-radius:999px;background:#fff;color:#7c171b;padding:9px 14px;font:800 11px/1 "Source Sans 3",Arial,sans-serif;cursor:pointer}.learn-reveal-button:hover{border-color:#8f6e52;background:#fffaf7}.learn-practice-answer{margin-top:14px;padding:13px 14px;border-left:3px solid #b5883e;background:rgba(255,255,255,.72);color:#68564b;font-size:12.5px;line-height:1.55}
.learn-lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:45px;padding-top:23px;border-top:1px solid #e8ddd2}.learn-lesson-nav a{display:flex;flex-direction:column;gap:3px;padding:16px 17px;border:1px solid #e6dbd0;border-radius:12px;background:#fff}.learn-lesson-nav a:hover{border-color:#d0b79e;box-shadow:0 7px 16px rgba(65,42,28,.05)}.learn-lesson-nav span{color:#9a7a60;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.learn-lesson-nav strong{color:#4a312a;font:600 19px/1.1 "Cormorant Garamond",Georgia,serif}.learn-lesson-nav .is-next{text-align:right}.learn-lesson-nav .is-next a{align-items:flex-end}
.learn-locked,.learn-missing{padding-top:70px;padding-bottom:80px}.learn-lock-panel{max-width:720px;margin:0 auto;padding:42px 44px;text-align:center;border:1px solid #e4d6c7;border-radius:20px;background:radial-gradient(circle at 50% 0,rgba(215,165,72,.14),transparent 32%),#fff;box-shadow:0 18px 45px rgba(63,42,29,.07)}.learn-lock-icon{display:grid;place-items:center;width:64px;height:64px;margin:0 auto 18px;border-radius:18px;background:#f2e4d2;color:#8b1a1f;font-size:33px}.learn-lock-khmer{display:block;margin-top:12px;color:#9f7650;font-size:14px}.learn-lock-panel h1,.learn-missing h1{margin:4px 0 10px;color:#34231f;font:600 44px/1 "Cormorant Garamond",Georgia,serif}.learn-lock-panel>p,.learn-missing p{max-width:560px;margin:0 auto;color:#776a62;font-size:14px;line-height:1.6}.learn-lock-meta{display:flex;justify-content:center;gap:15px;margin-top:14px;color:#95847a;font-size:11px}.learn-lock-actions{display:flex;justify-content:center;gap:11px;flex-wrap:wrap;margin-top:26px}.learn-lock-panel>small{display:block;margin-top:17px;color:#998980;font-size:10.5px}.learn-missing{text-align:center}.learn-missing .btn{margin-top:20px}
@media(max-width:1050px){.learn-hero-grid{grid-template-columns:1fr 390px;gap:38px}.learn-hero h1{font-size:50px}.learn-lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learn-concept-grid{grid-template-columns:1fr}}
@media(max-width:820px){.learn-hero-grid{grid-template-columns:1fr;min-height:0;padding-top:44px}.learn-hero-visual{min-height:300px;max-width:520px;width:100%;margin:0 auto}.learn-principles-grid{grid-template-columns:1fr}.learn-principles-grid>div,.learn-principles-grid>div:last-child{border-right:1px solid #eee4d9;border-bottom:1px solid #eee4d9}.learn-section-heading,.learn-bottom-note-inner{align-items:flex-start;flex-direction:column}.learn-lesson-hero-inner{grid-template-columns:1fr 110px}.learn-lesson-hero-mark{width:100px;height:100px;border-radius:24px}.learn-lesson-hero-mark.learn-icon-script:before{font-size:57px;inset:13px 0 auto}.learn-vocab-grid{grid-template-columns:1fr}}
@media(max-width:620px){.learn-hero-grid{padding-top:34px;padding-bottom:39px}.learn-hero h1{font-size:42px}.learn-hero-copy>p{font-size:15px}.learn-hero-actions .btn{width:100%;justify-content:center}.learn-hero-visual{min-height:270px}.learn-scene-card-main{right:0;width:260px;padding:25px}.learn-scene-card-main strong{font-size:41px}.learn-scene-card-small{width:145px}.learn-scene-card-small.is-one{left:0}.learn-scene-card-small.is-two{left:18px}.learn-course{padding-top:40px;padding-bottom:50px}.learn-section-heading h2{font-size:33px}.learn-track{padding:18px}.learn-track-heading{align-items:flex-start}.learn-lesson-grid{grid-template-columns:1fr}.learn-lesson-hero-inner{grid-template-columns:1fr;min-height:0;padding-top:30px;padding-bottom:31px}.learn-lesson-hero-mark{display:none}.learn-lesson-hero h1{font-size:40px}.learn-content-block{grid-template-columns:1fr}.learn-block-number{width:44px;height:44px}.learn-content-block h2,.learn-content-heading h2{font-size:27px}.learn-lesson-nav{grid-template-columns:1fr}.learn-lesson-nav .is-next{text-align:left}.learn-lesson-nav .is-next a{align-items:flex-start}.learn-pronunciation-note{flex-direction:column;gap:5px}.learn-lock-panel{padding:34px 21px}.learn-lock-panel h1,.learn-missing h1{font-size:37px}}

/* v0.2.0 foundation reference grids */
.learn-reference-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.learn-reference-card{display:grid;grid-template-columns:72px minmax(0,1fr);gap:14px;align-items:center;min-height:116px;padding:15px 16px;border:1px solid #eadfd5;border-radius:13px;background:#fff}.learn-reference-symbol{display:grid;place-items:center;min-height:72px;border-radius:12px;background:#fbf3e7;color:#721116;font-family:"Noto Serif Khmer",serif;font-size:42px;font-weight:600;line-height:1.2}.learn-reference-copy b{display:block;color:#4b312a;font-size:14px}.learn-reference-copy span{display:block;margin-top:2px;color:#9b6552;font-size:11.5px;font-weight:800}.learn-reference-copy small{display:block;margin-top:5px;color:#8b7b72;font-size:10.5px;line-height:1.35}
.learn-vowel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.learn-vowel-card{padding:17px;border:1px solid #eadfd5;border-radius:14px;background:#fff}.learn-vowel-sign{display:grid;place-items:center;min-height:54px;margin-bottom:12px;border-radius:11px;background:#fbf3e7;color:#721116;font-family:"Noto Serif Khmer",serif;font-size:34px;line-height:1.4}.learn-vowel-pair{display:grid;grid-template-columns:1fr 1fr;gap:9px}.learn-vowel-pair>div{padding:10px;border:1px solid #f0e5da;border-radius:10px;background:#fffaf5}.learn-vowel-pair span{display:block;color:#9a7b65;font-size:9px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.learn-vowel-pair strong{display:block;margin-top:3px;color:#4d2925;font-family:"Noto Serif Khmer",serif;font-size:24px;font-weight:600;line-height:1.45}.learn-vowel-pair b{display:block;color:#a46652;font-size:11px}.learn-vowel-card>small{display:block;margin-top:9px;color:#8c7c72;font-size:10px;text-transform:capitalize}
.learn-subscript-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.learn-subscript-card{display:grid;grid-template-columns:78px minmax(0,1fr);gap:12px;align-items:center;padding:14px;border:1px solid #eadfd5;border-radius:13px;background:#fff}.learn-subscript-card>strong{display:grid;place-items:center;min-height:70px;border-radius:11px;background:#fbf3e7;color:#721116;font-family:"Noto Serif Khmer",serif;font-size:35px;font-weight:600;line-height:1.4}.learn-subscript-card div>span{display:block;color:#8b7b72;font-size:10px;line-height:1.5}.learn-subscript-card div>span b{color:#4d2925;font-family:"Noto Serif Khmer",serif;font-size:16px;font-weight:600}.learn-subscript-card small{display:block;margin-top:5px;color:#9b6552;font-size:10.5px;font-weight:800}
@media(max-width:1050px){.learn-reference-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learn-subscript-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:820px){.learn-subscript-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.learn-reference-grid,.learn-vowel-grid,.learn-subscript-grid{grid-template-columns:1fr}.learn-reference-card{grid-template-columns:64px minmax(0,1fr)}.learn-reference-symbol{min-height:64px;font-size:38px}.learn-vowel-pair strong{font-size:22px}.learn-subscript-card{grid-template-columns:72px minmax(0,1fr)}}