/* ==========================================================================
   MẦM NON HOA MAI — Trường mầm non song ngữ 18 tháng – 6 tuổi
   Bố cục: nav dạng viên thuốc màu theo mục × hero ảnh mép "scallop" (mask
   radial) + chip nhóm tuổi × body: chương trình theo tuổi là thẻ màu có số
   tuổi khổng lồ, "một ngày ở trường" là timeline giờ nằm ngang cuộn, cơ sở
   vật chất masonry, giáo viên ảnh tròn viền màu, học phí bảng, form tuyển
   sinh có ngày sinh bé + nhóm tuổi tự gợi ý.
   Font: Baloo 2 (tiêu đề tròn) + Quicksand. Màu: trời #4FB3E8, vàng #FFC93C,
   cam #FF7A59, lá #7BC96F, tím nhạt #B69CFF.
   ========================================================================== */
:root{
  --sky:#4FB3E8; --sky-soft:#E3F4FC; --sun:#FFC93C; --sun-soft:#FFF4D6; --coral:#FF7A59; --coral-soft:#FFE6DE;
  --leaf:#7BC96F; --leaf-soft:#E6F5E2; --grape:#B69CFF; --grape-soft:#EFE9FF; --ink:#2A3140; --muted:#6B7280; --line:#E8ECF1;
  --ph:#DCE6EE; --ff-h:'Baloo 2','Quicksand',sans-serif; --ff:'Quicksand',Arial,sans-serif; --r:24px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--ff);color:var(--ink);background:#fff;line-height:1.65;font-size:16px;font-weight:500;background-image:radial-gradient(#E8ECF1 1.2px,transparent 1.2px);background-size:26px 26px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--ff-h);font-weight:800;line-height:1.15;color:var(--ink)}
.container{width:min(1160px,92%);margin:0 auto}
.ph{background:var(--img,var(--ph)) center/cover no-repeat}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-family:var(--ff-h);font-weight:700;font-size:16px;border:0;cursor:pointer;transition:.2s;box-shadow:0 4px 0 rgba(0,0,0,.12)}
.btn:hover{transform:translateY(2px);box-shadow:0 2px 0 rgba(0,0,0,.12)}
.btn--sky{background:var(--sky);color:#fff}.btn--sun{background:var(--sun);color:var(--ink)}.btn--coral{background:var(--coral);color:#fff}.btn--leaf{background:var(--leaf);color:#fff}
.btn--white{background:#fff;color:var(--ink);box-shadow:0 4px 0 var(--line)}
.btn--lg{padding:16px 34px;font-size:18px}

/* ---------- Header ---------- */
.header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 0 var(--line)}
.header__in{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--ff-h);font-weight:800;font-size:24px;color:var(--ink);line-height:1}
.logo__sun{width:44px;height:44px;border-radius:50%;background:var(--sun);position:relative;display:grid;place-items:center;font-size:22px}
.logo__sun::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:3px dashed var(--sun);opacity:.6}
.logo small{display:block;font-family:var(--ff);font-size:11px;letter-spacing:.2em;color:var(--sky);font-weight:700;margin-top:3px}
.nav{display:flex;gap:6px;background:#F5F7FA;padding:5px;border-radius:999px}
.nav a{padding:9px 16px;border-radius:999px;font-weight:700;font-size:15px;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.nav a i{width:8px;height:8px;border-radius:50%;background:var(--c,var(--sky));display:inline-block}
.nav a:hover,.nav a.is-active{background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.burger{display:none;background:none;border:0;cursor:pointer;color:var(--ink)}
.burger svg{width:28px;height:28px}

/* ---------- Hero scallop ---------- */
.hero{padding:50px 0 70px;position:relative;overflow:hidden}
.hero__in{display:grid;grid-template-columns:1fr 1.05fr;gap:50px;align-items:center}
.hero__kicker{display:inline-flex;align-items:center;gap:8px;background:var(--leaf-soft);color:#2F7A25;padding:7px 14px;border-radius:999px;font-weight:800;font-size:13.5px;margin-bottom:18px}
.hero h1{font-size:clamp(40px,5.2vw,64px);margin-bottom:16px}
.hero h1 span{color:var(--sky)}
.hero h1 .u{position:relative;display:inline-block}
.hero h1 .u::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:var(--sun);border-radius:6px;z-index:-1}
.hero p{font-size:18px;color:var(--muted);max-width:480px;margin-bottom:24px}
.ages{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.ages span{padding:7px 14px;border-radius:999px;font-weight:800;font-size:13.5px;border:2px solid}
.ages .a1{border-color:var(--coral);color:var(--coral)}.ages .a2{border-color:var(--sun);color:#B58600}.ages .a3{border-color:var(--leaf);color:#2F7A25}.ages .a4{border-color:var(--grape);color:#6D4FD6}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__img{position:relative}
.hero__img .ph{aspect-ratio:5/4;border-radius:var(--r);-webkit-mask:radial-gradient(circle at 50% 100%,transparent 0 0,#000 0) ;mask-image:radial-gradient(18px at 18px 100%,transparent 96%,#000);mask-size:36px 100%;mask-repeat:repeat-x;-webkit-mask-image:radial-gradient(18px at 18px 100%,transparent 96%,#000);-webkit-mask-size:36px 100%;-webkit-mask-repeat:repeat-x}
.blob{position:absolute;border-radius:50%;z-index:-1}
.blob--1{width:160px;height:160px;background:var(--sun-soft);right:-40px;top:-40px}
.blob--2{width:110px;height:110px;background:var(--coral-soft);left:-30px;bottom:30px}
.badge-float{position:absolute;background:#fff;border-radius:16px;padding:12px 16px;box-shadow:0 10px 30px rgba(42,49,64,.12);display:flex;gap:10px;align-items:center;font-size:13.5px}
.badge-float b{display:block;font-family:var(--ff-h);font-size:16px}
.badge-float .ic{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:20px}
.bf-1{left:-20px;top:30px}.bf-2{right:-10px;bottom:50px}

/* ---------- Dải màu ---------- */
.rainbow{display:flex;height:10px}
.rainbow span{flex:1}
.rainbow span:nth-child(1){background:var(--coral)}.rainbow span:nth-child(2){background:var(--sun)}.rainbow span:nth-child(3){background:var(--leaf)}.rainbow span:nth-child(4){background:var(--sky)}.rainbow span:nth-child(5){background:var(--grape)}

/* ---------- Sections ---------- */
.section{padding:84px 0}
.section--white{background:#fff}
.section--sky{background:var(--sky-soft)}
.section--sun{background:var(--sun-soft)}
.section--ink{background:var(--ink);color:#fff}
.section--ink h2,.section--ink h3{color:#fff}
.section__head{text-align:center;max-width:640px;margin:0 auto 44px}
.section__kicker{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--grape-soft);color:#6D4FD6;font-weight:800;font-size:13px;margin-bottom:12px}
.section__title{font-size:clamp(30px,3.8vw,46px)}
.section__head p{color:var(--muted);margin-top:10px;font-size:16.5px}
.section--ink .section__head p{color:#B8C0CE}

/* ---------- Chương trình theo tuổi ---------- */
.programs{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prog{border-radius:var(--r);padding:28px 24px 24px;background:var(--bg);position:relative;overflow:hidden;min-height:300px;display:flex;flex-direction:column}
.prog__age{font-family:var(--ff-h);font-size:64px;line-height:.9;color:var(--c);font-weight:800}
.prog__age small{font-size:16px;display:block;color:var(--ink);font-weight:700;margin-top:6px}
.prog h3{font-size:22px;margin:16px 0 6px}
.prog p{font-size:14.5px;color:var(--muted);flex:1}
.prog ul{font-size:13.5px;margin:12px 0;display:grid;gap:4px}
.prog ul li::before{content:"✓ ";color:var(--c);font-weight:800}
.prog a{font-weight:800;color:var(--c);font-size:14.5px}
.prog::after{content:"";position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border-radius:50%;background:#fff;opacity:.5}

/* ---------- Một ngày ở trường: timeline ngang ---------- */
.day{display:flex;gap:0;overflow-x:auto;padding:30px 0 10px;scroll-snap-type:x mandatory;position:relative}
.day::before{content:"";position:absolute;left:0;right:0;top:66px;height:4px;background:var(--line);border-radius:2px}
.slot{flex:0 0 220px;scroll-snap-align:start;padding:0 14px;position:relative}
.slot__t{font-family:var(--ff-h);font-weight:800;font-size:18px;color:var(--c,var(--sky));display:block;margin-bottom:10px}
.slot__dot{width:22px;height:22px;border-radius:50%;background:var(--c,var(--sky));border:4px solid #fff;box-shadow:0 0 0 2px var(--c,var(--sky));margin-bottom:18px}
.slot .emoji{font-size:34px;line-height:1;margin-bottom:8px;display:block}
.slot h4{font-size:17px;margin-bottom:4px}
.slot p{font-size:13.5px;color:var(--muted)}

/* ---------- Ưu điểm ---------- */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why__item{background:#fff;border-radius:var(--r);padding:28px;border:2px solid var(--line);display:flex;gap:16px;align-items:flex-start}
.why__item .ic{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;font-size:26px;flex:none;background:var(--bg)}
.why__item h3{font-size:19px;margin-bottom:4px}
.why__item p{font-size:14.5px;color:var(--muted)}

/* ---------- Cơ sở vật chất masonry ---------- */
.masonry{columns:3;column-gap:16px}
.masonry .item{break-inside:avoid;margin-bottom:16px;border-radius:20px;overflow:hidden;position:relative}
.masonry .ph{width:100%}
.masonry .item span{position:absolute;left:14px;bottom:14px;background:#fff;padding:6px 12px;border-radius:999px;font-weight:800;font-size:13px}
.h-tall{aspect-ratio:3/4}.h-wide{aspect-ratio:4/3}.h-sq{aspect-ratio:1}

/* ---------- Giáo viên ---------- */
.teachers{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;text-align:center}
.teacher .ph{width:190px;height:190px;border-radius:50%;margin:0 auto 16px;border:6px solid var(--c,var(--sky))}
.teacher h3{font-size:21px}
.teacher .role{color:var(--c,var(--sky));font-weight:800;font-size:13.5px;display:block;margin:2px 0 8px}
.teacher p{font-size:14.5px;color:var(--muted);max-width:300px;margin:0 auto}

/* ---------- Phụ huynh ---------- */
.parents{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.parent{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:26px}
.parent .stars{color:var(--sun);letter-spacing:2px;font-size:14px;margin-bottom:10px}
.parent p{font-size:15px;color:#DDE2EA}
.parent b{display:block;margin-top:16px;font-family:var(--ff-h)}
.parent small{color:#B8C0CE;font-size:13px}

/* ---------- Số liệu ---------- */
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.num{background:#fff;border-radius:var(--r);padding:26px 16px;border:2px solid var(--line)}
.num b{display:block;font-family:var(--ff-h);font-size:44px;line-height:1;color:var(--c,var(--sky))}
.num span{font-size:13.5px;color:var(--muted);font-weight:700}

/* ---------- Học phí ---------- */
.fees{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.fee{background:#fff;border-radius:var(--r);padding:30px;border:2px solid var(--line);display:flex;flex-direction:column;position:relative}
.fee--hot{border-color:var(--sun);box-shadow:0 10px 30px rgba(255,201,60,.25)}
.fee__tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--sun);padding:5px 14px;border-radius:999px;font-weight:800;font-size:12.5px}
.fee h3{font-size:22px}
.fee .desc{color:var(--muted);font-size:14px;margin:4px 0 16px}
.fee .price{font-family:var(--ff-h);font-size:38px;font-weight:800;color:var(--ink);line-height:1}
.fee .price small{font-size:14px;color:var(--muted);font-weight:700}
.fee ul{margin:18px 0 22px;display:grid;gap:8px;font-size:14.5px;flex:1}
.fee ul li::before{content:"✓ ";color:var(--leaf);font-weight:800}
.fee-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;font-size:15px;margin-top:30px}
.fee-table th{background:var(--sky-soft);text-align:left;padding:14px 18px;font-family:var(--ff-h);font-weight:800}
.fee-table td{padding:14px 18px;border-top:1px solid var(--line)}
.fee-table td:last-child{font-weight:800;color:var(--coral)}
.table-wrap{overflow-x:auto}

/* ---------- Form tuyển sinh ---------- */
.enroll{display:grid;grid-template-columns:1fr 1.4fr;gap:44px;align-items:start}
.enroll__side{display:grid;gap:18px}
.enroll__step{background:#fff;border-radius:20px;padding:20px 22px;border:2px solid var(--line);display:flex;gap:14px}
.enroll__step b{width:38px;height:38px;border-radius:50%;background:var(--sun);display:grid;place-items:center;font-family:var(--ff-h);font-size:18px;flex:none}
.enroll__step h4{font-size:17px}
.enroll__step p{font-size:14px;color:var(--muted)}
.form{background:#fff;border-radius:var(--r);padding:34px;border:2px solid var(--line);box-shadow:0 14px 40px rgba(42,49,64,.08)}
.form h3{font-size:24px;margin-bottom:6px}
.form>p{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
.field label{font-weight:800;font-size:13.5px}
.field input,.field select,.field textarea{border:2px solid var(--line);border-radius:14px;padding:12px 14px;font:inherit;font-size:15px;font-weight:600;background:#F9FAFC}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--sky);background:#fff}
.field textarea{min-height:100px;resize:vertical}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;inset:0}
.chips span{display:inline-block;padding:9px 16px;border:2px solid var(--line);border-radius:999px;cursor:pointer;font-weight:800;font-size:14px;background:#F9FAFC}
.chips input:checked+span{border-color:var(--c,var(--sky));background:var(--bg,var(--sky-soft));color:var(--c,var(--sky))}
.chips input:focus-visible+span{outline:2px solid var(--sky)}
.form .btn{margin-top:22px;width:100%;justify-content:center}
.form .note{font-size:12.5px;color:var(--muted);margin-top:10px;text-align:center}

/* ---------- Pagehead ---------- */
.pagehead{padding:44px 0 34px;text-align:center}
.pagehead h1{font-size:clamp(36px,5vw,58px)}
.pagehead p{color:var(--muted);max-width:600px;margin:10px auto 0;font-size:17px}

/* ---------- Liên hệ nhanh ---------- */
.contact{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:34px}
.contact__box{background:#fff;border:2px solid var(--line);border-radius:var(--r);padding:24px;text-align:center}
.contact__box .emoji{font-size:32px;display:block;margin-bottom:8px}
.contact__box h3{font-size:18px}
.contact__box p{font-size:14.5px;color:var(--muted)}
.map{background:#fff;border:2px dashed var(--line);border-radius:var(--r);aspect-ratio:21/9;display:grid;place-items:center;color:var(--muted);font-family:var(--ff-h);font-weight:800}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#B8C0CE;padding:60px 0 24px;position:relative}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:34px}
.footer .logo{color:#fff;margin-bottom:12px}
.footer p{font-size:14px}
.footer h4{color:#fff;font-size:16px;margin-bottom:12px}
.footer__col a{display:block;padding:3px 0;font-size:14.5px}
.footer__col a:hover{color:var(--sun)}
.footer__bar{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- Responsive ---------- */
@media (max-width:1100px){.programs{grid-template-columns:repeat(2,1fr)}.masonry{columns:2}}
@media (max-width:980px){.nav{display:none}.burger{display:block}.nav.is-open{display:flex;flex-direction:column;position:absolute;top:100%;left:4%;right:4%;background:#fff;border-radius:20px;padding:10px;box-shadow:0 12px 30px rgba(0,0,0,.12)}.hero__in,.enroll{grid-template-columns:1fr}.hero__img{max-width:520px}.why,.teachers,.parents,.fees,.contact{grid-template-columns:1fr 1fr}.nums{grid-template-columns:repeat(2,1fr)}.footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.section{padding:56px 0}.programs,.why,.teachers,.parents,.fees,.contact,.nums,.footer__grid,.form__grid{grid-template-columns:1fr}.masonry{columns:1}.form{padding:22px}.badge-float{display:none}.slot{flex-basis:180px}}

/* ---------- Hàng chương trình (trang chuong-trinh) ---------- */
.prow{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:64px}
.prow:last-child{margin-bottom:0}
.prow--flip .prow__img{order:2}
.prow__img .ph{aspect-ratio:4/3;border-radius:var(--r);border:8px solid var(--bg,var(--sky-soft))}
.prow__tag{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--bg,var(--sky-soft));color:var(--c,var(--sky));font-weight:800;font-size:13px;margin-bottom:10px}
.prow h3{font-size:clamp(26px,3vw,34px);margin-bottom:8px}
.prow h4{font-size:16px;margin:16px 0 6px;color:var(--c,var(--sky))}
.prow p{color:var(--muted);font-size:15px}
.prow ul{display:grid;gap:5px;font-size:14.5px}
.prow ul li::before{content:"✓ ";color:var(--c,var(--sky));font-weight:800}
.prow__meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.prow__meta span{background:#fff;border:2px solid var(--line);border-radius:999px;padding:7px 14px;font-weight:800;font-size:13.5px}
@media (max-width:900px){.prow{grid-template-columns:1fr;gap:24px;margin-bottom:48px}.prow--flip .prow__img{order:0}}