/* =========================================================
   Phú Thịnh Land — style.css
   Phong cách: doanh nghiệp chữ đậm (corporate bold). Navy + vàng đồng,
   Montserrat 700–800, khối vuông, ít bo góc, lưới rõ.
   Bố cục khác các mẫu trước:
     - Header TRONG SUỐT đè lên hero, đổi nền khi cuộn
     - Hero có FORM TÌM KIẾM ngay trong màn đầu
     - Băng số liệu lớn
     - Card dự án có nhãn trạng thái + lưới lọc
     - TIMELINE tiến độ dọc
     - Chi tiết dự án: 2 CỘT STICKY (form nhận bảng giá đứng yên khi cuộn)
   Ảnh: mỗi khối ảnh dùng biến --img trên thẻ HTML (đường dẫn ../images/…).
   ========================================================= */

:root{
  --navy:#0F2A47;
  --navy-2:#173A5E;
  --navy-deep:#0A1C30;
  --gold:#D4A017;
  --gold-2:#E8B830;
  --gold-soft:#FBF3DC;
  --bg:#FFFFFF;
  --bg-2:#F2F4F7;
  --bg-3:#E6EAF0;
  --line:#D9DFE7;
  --text:#1B2532;
  --muted:#5F6B7A;
  --ok:#1E8E5A;
  --hot:#D64545;
  --radius:4px;
  --shadow:0 1px 2px rgba(15,42,71,.06), 0 10px 30px rgba(15,42,71,.10);
  --shadow-lg:0 24px 60px rgba(15,42,71,.22);
  --ph:linear-gradient(135deg,#DCE3EC 0%,#C5D0DE 55%,#AEBCCF 100%);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  color:var(--text);background:var(--bg);font-size:14.5px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{max-width:100%;display:block}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round;flex:none}
.ph{background:var(--img,var(--ph)) center/cover no-repeat,var(--ph)}
.container{width:min(1240px,100% - 40px);margin-inline:auto}
h1,h2,h3,h4,.h{font-family:'Montserrat','Be Vietnam Pro',sans-serif;font-weight:800;letter-spacing:-.3px;line-height:1.15}

/* ---------- Nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:var(--radius);
  font-family:'Montserrat',sans-serif;font-weight:700;font-size:13px;letter-spacing:.3px;transition:.18s;white-space:nowrap}
.btn svg{width:16px;height:16px}
.btn--gold{background:var(--gold);color:var(--navy-deep)}
.btn--gold:hover{background:var(--gold-2)}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy-2)}
.btn--white{background:#fff;color:var(--navy)}
.btn--white:hover{background:var(--bg-2)}
.btn--ghost{border:2px solid rgba(255,255,255,.6);color:#fff}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn--line{border:2px solid var(--navy);color:var(--navy)}
.btn--line:hover{background:var(--navy);color:#fff}

/* ---------- Header trong suốt ---------- */
.header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.25s;color:#fff}
.header__in{display:flex;align-items:center;gap:30px;min-height:84px}
.header.is-solid{background:#fff;color:var(--text);box-shadow:var(--shadow)}
.header.is-solid .header__in{min-height:70px}
.logo{display:flex;align-items:center;gap:12px}
.logo__mark{width:44px;height:44px;background:var(--gold);color:var(--navy-deep);display:grid;place-items:center;
  font-family:'Montserrat',sans-serif;font-weight:800;font-size:17px;clip-path:polygon(0 0,100% 0,100% 75%,50% 100%,0 75%)}
.logo__text b{display:block;font-family:'Montserrat',sans-serif;font-weight:800;font-size:19px;letter-spacing:.5px;line-height:1}
.logo__text small{display:block;font-size:9.5px;letter-spacing:2.5px;text-transform:uppercase;opacity:.75;margin-top:4px}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav__link{padding:10px 14px;font-family:'Montserrat',sans-serif;font-weight:600;font-size:13px;position:relative;transition:.15s}
.nav__link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--gold);transform:scaleX(0);transition:.2s}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.header__cta{display:flex;align-items:center;gap:14px}
.header__phone{display:flex;align-items:center;gap:8px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:14px}
.header__phone svg{color:var(--gold)}
.burger{display:none;width:42px;height:42px;place-items:center;border:2px solid currentColor;border-radius:var(--radius)}

/* ---------- Hero có form tìm ---------- */
.hero{position:relative;min-height:min(100vh,760px);display:flex;align-items:flex-end;color:#fff;padding:150px 0 0}
.hero .ph{position:absolute;inset:0}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,28,48,.55) 0%,rgba(10,28,48,.35) 40%,rgba(10,28,48,.85) 100%)}
.hero__in{position:relative;z-index:1;width:100%}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;background:rgba(212,160,23,.18);border:1px solid rgba(212,160,23,.5);
  font-size:11.5px;letter-spacing:2px;text-transform:uppercase;font-weight:700;color:var(--gold-2)}
.hero h1{font-size:clamp(38px,5.4vw,72px);max-width:820px;margin:22px 0 16px;text-transform:uppercase}
.hero h1 span{color:var(--gold)}
.hero p{font-size:17px;max-width:600px;opacity:.9}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

.search{background:#fff;color:var(--text);margin-top:50px;display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr auto;box-shadow:var(--shadow-lg)}
.search > div{padding:18px 22px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:5px}
.search label{font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:700}
.search select,.search input{border:0;font:inherit;font-weight:600;font-size:14px;color:var(--text);background:transparent;outline:none;padding:0}
.search .btn{border-radius:0;height:100%;padding:0 34px;font-size:14px}

/* ---------- Băng số liệu ---------- */
.stats{background:var(--navy);color:#fff}
.stats__in{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:38px 30px;border-right:1px solid rgba(255,255,255,.1);display:flex;gap:18px;align-items:center}
.stat:last-child{border-right:0}
.stat b{font-family:'Montserrat',sans-serif;font-weight:800;font-size:44px;line-height:1;color:var(--gold)}
.stat span{font-size:13px;opacity:.85;line-height:1.4}

/* ---------- Section chung ---------- */
.section{padding:90px 0}
.section--soft{background:var(--bg-2)}
.section--navy{background:var(--navy);color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:2.5px;text-transform:uppercase;font-weight:700;color:var(--gold)}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--gold)}
.section__title{font-size:clamp(28px,3.4vw,44px);margin-top:14px;text-transform:uppercase}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:40px}
.section__head p{color:var(--muted);max-width:480px;font-size:15px}
.section--navy .section__head p{color:rgba(255,255,255,.75)}

/* ---------- Bộ lọc ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px}
.filters a,.filters button{padding:10px 18px;border:2px solid var(--line);font-family:'Montserrat',sans-serif;font-weight:700;font-size:12px;color:var(--muted);transition:.15s}
.filters .is-active,.filters a:hover,.filters button:hover{border-color:var(--navy);background:var(--navy);color:#fff}

/* ---------- Card dự án ---------- */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.proj{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:.25s}
.proj:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
.proj__media{position:relative;aspect-ratio:4/3;overflow:hidden}
.proj__media .ph{position:absolute;inset:0;transition:.4s}
.proj:hover .proj__media .ph{transform:scale(1.05)}
.status{position:absolute;top:14px;left:14px;padding:6px 12px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:11px;letter-spacing:1px;text-transform:uppercase;color:#fff;background:var(--navy)}
.status--open{background:var(--ok)}
.status--soon{background:var(--gold);color:var(--navy-deep)}
.status--hot{background:var(--hot)}
.proj__price{position:absolute;right:14px;bottom:14px;background:#fff;padding:8px 14px;font-family:'Montserrat',sans-serif;font-weight:800;font-size:14px;color:var(--navy)}
.proj__price small{display:block;font-weight:500;font-size:10.5px;color:var(--muted);letter-spacing:.5px}
.proj__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.proj__body h3{font-size:19px}
.proj__loc{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;margin-top:6px}
.proj__loc svg{width:14px;height:14px;color:var(--gold)}
.proj__specs{display:flex;gap:18px;margin:18px 0;padding:14px 0;border-block:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.proj__specs b{display:block;font-family:'Montserrat',sans-serif;font-weight:700;font-size:14px;color:var(--text)}
.proj .btn{margin-top:auto}

/* ---------- Giới thiệu khối ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about__pics{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about__pics .ph{aspect-ratio:3/4}
.about__pics .ph:first-child{margin-top:50px}
.about__pics .ph:last-child{margin-bottom:50px}
.about__text p{color:var(--muted);margin-top:16px;font-size:15px}
.ticks{list-style:none;display:grid;gap:12px;margin:26px 0 30px}
.ticks li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.ticks svg{width:22px;height:22px;color:var(--gold);background:var(--gold-soft);padding:4px;flex:none}

/* ---------- Timeline dọc ---------- */
.timeline{position:relative;padding-left:40px}
.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl{position:relative;padding-bottom:34px}
.tl:last-child{padding-bottom:0}
.tl::before{content:"";position:absolute;left:-40px;top:4px;width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--line)}
.tl.is-done::before{background:var(--ok);border-color:var(--ok)}
.tl.is-now::before{background:var(--gold);border-color:var(--gold);box-shadow:0 0 0 6px var(--gold-soft)}
.tl__date{font-family:'Montserrat',sans-serif;font-weight:700;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold)}
.tl h4{font-size:17px;margin:4px 0 6px}
.tl p{color:var(--muted);font-size:13.5px}
.tl__bar{height:6px;background:var(--bg-3);margin-top:12px;position:relative;max-width:360px}
.tl__bar span{position:absolute;inset:0 auto 0 0;background:var(--ok)}
.tl.is-now .tl__bar span{background:var(--gold)}

/* ---------- Vì sao chọn ---------- */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line)}
.why div{background:#fff;padding:36px 30px}
.section--navy .why{background:rgba(255,255,255,.12)}
.section--navy .why div{background:var(--navy)}
.why .ic{width:50px;height:50px;background:var(--gold);color:var(--navy-deep);display:grid;place-items:center;margin-bottom:22px}
.why .ic svg{width:24px;height:24px}
.why b{display:block;font-family:'Montserrat',sans-serif;font-weight:700;font-size:16px;margin-bottom:8px}
.why p{font-size:13.5px;color:var(--muted)}
.section--navy .why p{color:rgba(255,255,255,.7)}

/* ---------- Đối tác / logo ---------- */
.partners{display:grid;grid-template-columns:repeat(6,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.partners div{background:#fff;padding:26px 10px;text-align:center;font-family:'Montserrat',sans-serif;font-weight:800;font-size:14px;letter-spacing:1px;color:var(--muted)}

/* ---------- Nhận xét ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quote{background:#fff;border:1px solid var(--line);border-top:4px solid var(--gold);padding:30px 28px}
.quote p{font-size:15px;line-height:1.6}
.quote__who{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.quote__who .ph{width:44px;height:44px;border-radius:50%}
.quote__who b{display:block;font-size:13.5px}
.quote__who small{color:var(--muted);font-size:12px}

/* ---------- CTA băng ---------- */
.cta{background:var(--gold);color:var(--navy-deep);padding:50px 0}
.cta__in{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta h2{font-size:30px;text-transform:uppercase}
.cta p{margin-top:6px;font-weight:500}

/* ---------- Banner trang con ---------- */
.pagehead{position:relative;padding:160px 0 70px;color:#fff;overflow:hidden}
.pagehead .ph{position:absolute;inset:0}
.pagehead::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,28,48,.92),rgba(10,28,48,.55))}
.pagehead__in{position:relative;z-index:1}
.pagehead h1{font-size:clamp(34px,5vw,60px);text-transform:uppercase;margin-top:14px;max-width:820px}
.pagehead p{opacity:.85;max-width:600px;margin-top:14px;font-size:16px}
.crumbs{display:flex;gap:10px;font-size:12px;opacity:.75;margin-top:20px;font-weight:500}

/* ---------- Chi tiết dự án: 2 cột sticky ---------- */
.detail{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:50px;align-items:start}
.detail__side{position:sticky;top:90px}
.lead-form{background:var(--navy);color:#fff;padding:32px 30px}
.lead-form h3{font-size:20px;text-transform:uppercase}
.lead-form > p{opacity:.75;font-size:13px;margin:8px 0 22px}
.lead-form .field{margin-bottom:12px}
.lead-form .field input,.lead-form .field select{width:100%;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;padding:12px 14px;font:inherit;outline:none}
.lead-form .field input:focus,.lead-form .field select:focus{border-color:var(--gold);background:rgba(255,255,255,.12)}
.lead-form .field input::placeholder{color:rgba(255,255,255,.55)}
.lead-form select option{color:var(--text)}
.lead-form .btn{width:100%;margin-top:6px}
.lead-form small{display:block;opacity:.6;font-size:11.5px;margin-top:12px}
.detail__hotline{margin-top:16px;border:2px solid var(--gold);padding:18px 22px;text-align:center}
.detail__hotline b{display:block;font-family:'Montserrat',sans-serif;font-weight:800;font-size:24px;color:var(--navy)}
.detail__hotline small{color:var(--muted);font-size:12px}

.gallery{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:240px 240px;gap:12px}
.gallery .ph:first-child{grid-row:span 2}
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;margin-top:30px}
.specs div{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.specs span{color:var(--muted)}
.specs b{text-align:right}
.detail h2{font-size:26px;text-transform:uppercase;margin:50px 0 18px}
.detail .body p{color:var(--muted);margin-bottom:14px;font-size:15px}
.tabs{display:flex;border-bottom:2px solid var(--line);margin-top:40px}
.tabs button{padding:14px 22px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:13px;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-2px}
.tabs button.is-active{color:var(--navy);border-color:var(--gold)}
.tabpane{display:none;padding-top:26px}
.tabpane.is-active{display:block}
.floorplans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.floorplans div{border:1px solid var(--line);padding:14px}
.floorplans .ph{aspect-ratio:1;background-size:contain;background-color:var(--bg-2)}
.floorplans b{display:block;font-size:14px;margin-top:12px}
.floorplans small{color:var(--muted);font-size:12.5px}
.pricetable{width:100%;border-collapse:collapse;font-size:14px}
.pricetable th,.pricetable td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.pricetable th{background:var(--bg-2);font-family:'Montserrat',sans-serif;font-weight:700;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
.pricetable td b{color:var(--navy)}

/* ---------- Tin tức ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post{background:#fff;border:1px solid var(--line);display:block}
.post .ph{aspect-ratio:16/10}
.post__body{padding:22px}
.post__meta{font-size:11.5px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;color:var(--gold)}
.post h3{font-size:17px;margin:8px 0}
.post p{color:var(--muted);font-size:13.5px}

/* ---------- Tuyển dụng ---------- */
.jobs{display:grid;gap:12px}
.job{background:#fff;border:1px solid var(--line);padding:22px 26px;display:grid;grid-template-columns:1fr auto auto auto;gap:24px;align-items:center}
.job h3{font-size:16px}
.job small{color:var(--muted);font-size:12.5px}
.job .tag{font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--navy);background:var(--bg-2);padding:6px 10px}

/* ---------- Form liên hệ ---------- */
.contact{display:grid;grid-template-columns:1fr 1.2fr;gap:60px}
.contact__list{display:grid;gap:22px;margin-top:30px}
.contact__list div{display:flex;gap:14px}
.contact__list svg{width:22px;height:22px;color:var(--gold);margin-top:2px}
.contact__list b{display:block;font-family:'Montserrat',sans-serif;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.form{background:#fff;border:1px solid var(--line);padding:40px}
.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-size:12px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{border:1px solid var(--line);padding:12px 14px;font:inherit;background:var(--bg-2);outline:none;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--navy);background:#fff}
.field textarea{min-height:110px;resize:vertical}
.map{aspect-ratio:16/7;margin-top:70px;filter:saturate(.3)}

/* ---------- Footer ---------- */
.footer{background:var(--navy-deep);color:#fff;padding:70px 0 0;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer__col p{opacity:.7;font-size:13.5px;margin-top:16px;max-width:340px}
.footer__col h4{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.footer__col a{display:block;padding:5px 0;font-size:13.5px;opacity:.85}
.footer__col a:hover{color:var(--gold);opacity:1}
.footer__col li{list-style:none;display:flex;gap:10px;padding:5px 0;font-size:13.5px;opacity:.85}
.footer__col svg{width:16px;height:16px;color:var(--gold);margin-top:3px}
.footer__bar{margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:12.5px;opacity:.6}
.footer__bar-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .search{grid-template-columns:1fr 1fr 1fr}
  .search > div:nth-child(4){grid-column:1/3}
  .search .btn{grid-column:3;padding:18px}
  .projects,.quotes,.posts{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:repeat(2,1fr)}
  .partners{grid-template-columns:repeat(3,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .detail{grid-template-columns:1fr}
  .detail__side{position:static}
}
@media (max-width:980px){
  .nav{display:none}
  .nav.is-open{display:flex;position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;color:var(--text);padding:10px 20px 20px;box-shadow:var(--shadow-lg)}
  .nav.is-open .nav__link{padding:14px 0;border-bottom:1px solid var(--line)}
  .header__phone{display:none}
  .burger{display:grid;margin-left:auto}
  .header__cta .btn{display:none}
  .header{background:var(--navy);color:#fff}
  .header .header__in{min-height:70px}
  .hero{padding-top:110px}
  .stats__in{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.1)}
  .about{grid-template-columns:1fr;gap:40px}
  .contact{grid-template-columns:1fr}
  .job{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .section__head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:640px){
  .container{width:min(1240px,100% - 32px)}
  .section{padding:60px 0}
  .search{grid-template-columns:1fr}
  .search > div,.search .btn{grid-column:1;border-right:0;border-bottom:1px solid var(--line)}
  .projects,.quotes,.posts,.why,.floorplans{grid-template-columns:1fr}
  .partners{grid-template-columns:repeat(2,1fr)}
  .stats__in{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}
  .form{padding:24px 20px}
  .form__grid,.specs{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr;grid-template-rows:220px 160px 160px}
  .gallery .ph:first-child{grid-row:auto}
  .footer__grid{grid-template-columns:1fr}
  .cta h2{font-size:24px}
  .job{grid-template-columns:1fr}
}