/* Phiếu đăng ký tư vấn pi2.vn/dang-ky/: trang độc lập, cùng nhận diện với site (Manrope, đen, xám, gradient xanh đỏ). */
@font-face{font-family:'Manrope';font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/manrope-vietnamese.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Manrope';font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/manrope-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--xanh:#386BB7;--do:#E24C4A;--den:#1F1F1F;--xam:#F0F2F4;--xam-dam:#E7E8E8;--vien:#D9DCE0;--chu-phu:#6B6F76;--ok:#1a7f37;
  --grad:linear-gradient(45deg,#386BB7,#E24C4A)}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Manrope,system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;font-weight:500;font-size:16px;line-height:1.55;color:var(--den);background:var(--xam);-webkit-font-smoothing:antialiased}
a{color:var(--xanh)}
:focus-visible{outline:3px solid var(--xanh);outline-offset:2px}
[hidden]{display:none!important}
svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Đầu trang */
.dau{background:var(--den);color:#fff}
.dau-trong{max-width:880px;margin:auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:20px;line-height:1}
.logo small{display:block;font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;opacity:.65;margin-top:3px}
.dau-goi{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:700;font-size:15px;padding:9px 16px;border:1px solid rgba(255,255,255,.35);border-radius:40px;transition:.3s}
.dau-goi:hover{background:var(--do);border-color:var(--do)}
.dau-goi svg{width:16px;height:16px}

.khung{max-width:880px;margin:auto;padding:0 20px 40px}

/* Mở đầu */
.mo-dau{padding:44px 0 28px}
.nhan{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mo-dau h1{font-size:40px;line-height:1.15;margin:8px 0 12px;font-weight:800;letter-spacing:-.01em}
.mo-dau>p{font-size:17px;color:var(--chu-phu);margin:0;max-width:680px}
.cam-ket{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.cam-ket li{background:#fff;border-radius:16px;padding:14px 16px;font-size:14px;color:var(--chu-phu)}
.cam-ket b{display:block;font-size:17px;color:var(--den)}

/* Thẻ form */
.the{background:#fff;border-radius:25px;padding:32px 36px 28px;box-shadow:0 20px 50px rgba(31,31,31,.06)}

.tien-do{list-style:none;margin:0;padding:0;display:flex;justify-content:space-between;gap:6px}
.tien-do li{flex:1}
.tien-do button{all:unset;box-sizing:border-box;width:100%;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:default;text-align:center;border-radius:12px;padding:4px}
.tien-do .so{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;background:var(--xam);color:var(--chu-phu);transition:.3s}
.tien-do .ten{font-size:13px;font-weight:600;color:var(--chu-phu)}
.tien-do li.hien .so{background:var(--den);color:#fff;box-shadow:0 0 0 4px var(--xam-dam)}
.tien-do li.hien .ten{color:var(--den)}
.tien-do li.xong .so{background:var(--grad);color:#fff}
.tien-do li.xong button{cursor:pointer}
.tien-do li.xong button:hover .ten{color:var(--den)}
.thanh{height:4px;background:var(--xam);border-radius:4px;margin:16px 0 26px;overflow:hidden}
.thanh i{display:block;height:100%;width:0;background:var(--grad);border-radius:4px;transition:width .4s ease}

fieldset{border:0;margin:0;padding:0;min-width:0}
.buoc{animation:hien .35s ease}
@keyframes hien{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
legend{font-size:26px;font-weight:800;line-height:1.25;padding:0;margin:0 0 22px}
.buoc-so{display:block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--chu-phu);margin-bottom:4px}

.cau{display:flex;flex-direction:column;gap:8px;margin:0 0 22px}
.hoi{margin:0;font-weight:700;font-size:15px}
.hoi em{color:var(--do);font-style:normal}
.goi-y{font-weight:500;font-size:13px;color:var(--chu-phu);margin-left:6px}
.chu-nho{font-size:13px;color:var(--chu-phu);font-weight:500}
.chu-phu{color:var(--chu-phu);margin:-12px 0 18px}
.hai-cot{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}

input,select,textarea{font:inherit;font-size:16px;font-weight:500;color:var(--den);width:100%;margin:0;padding:13px 14px;border:1.5px solid var(--vien);border-radius:12px;background:#fff;transition:border-color .2s,box-shadow .2s}
textarea{resize:vertical;min-height:52px}
select{appearance:none;-webkit-appearance:none;padding-right:40px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F1F1F' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 14px center/18px no-repeat;cursor:pointer}
input::placeholder,textarea::placeholder{color:#9a9ea5}
input:hover,select:hover,textarea:hover{border-color:#b9bdc3}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--xanh);box-shadow:0 0 0 4px rgba(56,107,183,.14)}

/* Thẻ lựa chọn lớn (dịch vụ) */
.o-chon{display:grid;gap:10px}
.luoi-2{grid-template-columns:1fr 1fr}
.lua{position:relative;display:block;cursor:pointer}
.lua input,.o-chip input,.dong-y input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.lua span{display:flex;flex-direction:column;gap:3px;height:100%;padding:14px 16px 14px 48px;border:1.5px solid var(--vien);border-radius:16px;transition:.2s;position:relative}
.lua span::before{content:"";position:absolute;left:16px;top:16px;width:20px;height:20px;border:1.5px solid #b9bdc3;border-radius:6px;background:#fff;transition:.2s}
.lua b{font-size:15px}
.lua i{font-style:normal;font-size:13px;color:var(--chu-phu);line-height:1.45}
.lua:hover span{border-color:#b9bdc3;background:#fafbfc}
.lua input:checked+span{border-color:var(--den);background:var(--xam);box-shadow:inset 0 0 0 1px var(--den)}
.lua input:checked+span::before{background:var(--den) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/14px no-repeat;border-color:var(--den)}
.lua input:focus-visible+span{outline:3px solid var(--xanh);outline-offset:2px}
.lua-rong{grid-column:1/-1}

/* Chip (lựa chọn nhỏ) */
.o-chip{display:flex;flex-wrap:wrap;gap:8px}
.o-chip label{position:relative;cursor:pointer}
.o-chip span{display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border:1.5px solid var(--vien);border-radius:40px;font-size:14px;font-weight:600;transition:.2s;background:#fff;user-select:none}
.o-chip label:hover span{border-color:#b9bdc3}
.o-chip input:checked+span{background:var(--den);border-color:var(--den);color:#fff}
.o-chip input[type=checkbox]:checked+span::before{content:"";width:12px;height:12px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat}
.o-chip input:focus-visible+span{outline:3px solid var(--xanh);outline-offset:2px}

/* Nhánh câu hỏi theo dịch vụ */
.nhanh{background:var(--xam);border-radius:18px;padding:20px 20px 2px;margin:0 0 22px;animation:hien .35s ease}
.nhanh-tieu-de{margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
.nhanh .o-chip span,.nhanh input,.nhanh select,.nhanh textarea{background-color:#fff}

/* Lỗi */
.bao-loi{display:none;margin:0;font-size:13px;font-weight:600;color:var(--do)}
.co-loi .bao-loi,.co-loi~.bao-loi-dongy{display:block}
.co-loi input,.co-loi select,.co-loi textarea,.co-loi .lua span{border-color:var(--do)}
.loi-chung{background:#fdeceb;color:#a3201e;border-radius:12px;padding:12px 16px;font-weight:600;margin:0 0 16px}
.loi-chung a{color:inherit}

/* Xem lại */
.tom-tat{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.tt-nhom{border:1.5px solid var(--xam-dam);border-radius:16px;padding:16px 18px}
.tt-dau{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.tt-dau h3{margin:0;font-size:15px}
.tt-sua{all:unset;cursor:pointer;font-size:13px;font-weight:700;color:var(--xanh);padding:4px 8px;border-radius:8px}
.tt-sua:hover{background:var(--xam)}
.tt-sua:focus-visible{outline:3px solid var(--xanh)}
.tom-tat dl{margin:0;display:grid;grid-template-columns:minmax(120px,38%) 1fr;gap:6px 14px;font-size:14px}
.tom-tat dt{color:var(--chu-phu)}
.tom-tat dd{margin:0;font-weight:600;white-space:pre-wrap;word-break:break-word}
.tt-trong{font-size:14px;color:var(--chu-phu);margin:0}
.dong-y{position:relative;display:flex;gap:12px;align-items:flex-start;cursor:pointer;font-size:14px;margin:0 0 6px}
.dong-y span::before{content:"";flex:none;display:inline-block;width:20px;height:20px;border:1.5px solid #b9bdc3;border-radius:6px;vertical-align:-4px;margin-right:10px;transition:.2s;background:#fff}
.dong-y input:checked+span::before{background:var(--den) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/14px no-repeat;border-color:var(--den)}
.dong-y input:focus-visible+span::before{outline:3px solid var(--xanh);outline-offset:2px}
.dong-y.co-loi span::before{border-color:var(--do)}
.bao-loi-dongy{margin-bottom:10px}

/* Điều hướng */
.dieu-huong{display:flex;align-items:center;gap:12px;border-top:1.5px solid var(--xam);padding-top:20px;margin-top:6px}
.luu-nhap{flex:1;font-size:13px;color:var(--chu-phu);text-align:right}
.nut{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:16px;line-height:1.2;padding:15px 28px;border-radius:40px;border:0;cursor:pointer;text-decoration:none;transition:.3s;white-space:nowrap}
.nut svg{width:18px;height:18px}
.nut-chinh{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(226,76,74,.28)}
.nut-chinh:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(226,76,74,.38);color:#fff}
.nut-chinh[disabled]{opacity:.65;cursor:wait;transform:none}
.nut-lui{background:none;color:var(--den);padding-left:6px;padding-right:12px}
.nut-lui:hover{background:var(--xam)}
.nut-phu{background:var(--xam);color:var(--den)}
.nut-phu:hover{background:var(--xam-dam)}
.dang-gui::after{content:"";width:16px;height:16px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:quay .7s linear infinite}
@keyframes quay{to{transform:rotate(360deg)}}

/* Gửi xong */
.man-xong{text-align:center;padding:20px 0 6px;outline:0;animation:hien .4s ease}
.xong-icon{width:72px;height:72px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;box-shadow:0 12px 30px rgba(226,76,74,.3)}
.xong-icon svg{width:36px;height:36px;stroke-width:3}
.man-xong h2{font-size:28px;margin:0 0 6px}
.man-xong .ma{margin:0 0 14px;color:var(--chu-phu)}
.man-xong .ma b{color:var(--den);font-size:18px;letter-spacing:.04em}
.man-xong>p{max-width:560px;margin-left:auto;margin-right:auto}
.tiep-theo{list-style:none;counter-reset:b;padding:0;margin:26px auto;max-width:560px;text-align:left;display:flex;flex-direction:column;gap:10px}
.tiep-theo li{counter-increment:b;background:var(--xam);border-radius:16px;padding:14px 16px 14px 60px;position:relative;font-size:14px;color:var(--chu-phu)}
.tiep-theo li::before{content:counter(b);position:absolute;left:16px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;background:var(--den);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.tiep-theo b{display:block;color:var(--den);font-size:15px}
.xong-nut{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.lien-he-khac{text-align:center;color:var(--chu-phu);font-size:14px;padding:22px 0 0}
.lien-he-khac a{color:var(--den);font-weight:700}
.chan{text-align:center;font-size:12px;color:#8a8f98;padding:0 20px 34px}
.chan p{margin:0}
.o-mat{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}

@media (max-width:720px){
  .mo-dau{padding:28px 0 20px}
  .mo-dau h1{font-size:29px}
  .mo-dau>p{font-size:16px}
  .cam-ket{gap:8px}
  .cam-ket li{padding:12px;font-size:12px}
  .cam-ket b{font-size:14px}
  .khung{padding:0 12px 30px}
  .the{padding:22px 18px 18px;border-radius:20px}
  .tien-do .ten{display:none}
  .tien-do li.hien .ten{display:block;position:absolute;left:-9999px}
  legend{font-size:22px}
  .hai-cot,.luoi-2{grid-template-columns:1fr}
  .tom-tat dl{grid-template-columns:1fr;gap:0}
  .tom-tat dd{margin-bottom:8px}
  .dieu-huong{position:sticky;bottom:0;background:#fff;margin:6px -18px -18px;padding:14px 18px calc(14px + env(safe-area-inset-bottom));border-radius:0 0 20px 20px;z-index:2;box-shadow:0 -8px 20px rgba(31,31,31,.05)}
  .luu-nhap{display:none}
  .dieu-huong .nut-chinh{flex:1}
  .dieu-huong .nut-lui{flex:none}
  .dau-goi span{display:none}
  .dau-goi{padding:9px}
  .man-xong h2{font-size:23px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}