/* =====================================================================
   PHUONG NGUYEN STUDIO — Design System
   Luxury Wedding · Elegant · Premium · Minimal
   Palette + fonts kept consistent with the studio's existing brand.
   ===================================================================== */

/* ---------- Promo nav link + homepage promo strip ---------- */
.nav-links a.promo-link{color:var(--champagne);font-weight:600}
.nav-links a.promo-link:hover{color:var(--rosewood)}
.nav-drawer .panel a.promo-link{color:var(--champagne);font-weight:600}
.promo-strip{background:linear-gradient(100deg,#f1e2c8,#f8f4ef 70%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.promo-strip .in{display:flex;align-items:center;justify-content:space-between;gap:20px 30px;padding:26px 0;flex-wrap:wrap}
.promo-strip .txt{flex:1;min-width:260px}
.promo-strip .tag{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--rosewood);font-weight:700;margin-bottom:6px}
.promo-strip .tag::before{content:"✦";color:var(--champagne)}
.promo-strip h3{font-size:clamp(1.2rem,2.4vw,1.6rem);margin:0}
.promo-strip p{margin:6px 0 0;color:var(--muted);font-size:14.5px}
.promo-note{background:var(--blush-soft);border:1px dashed var(--champagne-soft);border-radius:var(--radius);padding:16px 20px;font-size:14px;color:var(--muted);max-width:760px;margin:0 auto}

/* ---------- Nav dropdown (Thư viện) ---------- */
.has-dropdown{position:relative}
.has-dropdown>a{display:inline-flex;align-items:center;gap:6px}
.has-dropdown .caret{width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg);margin-top:-4px;transition:transform .3s var(--ease)}
.has-dropdown:hover .caret{transform:rotate(45deg) translate(1px,1px)}
.has-dropdown::after{content:"";position:absolute;top:100%;left:-10px;right:-10px;height:16px}
.dropdown{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(8px);background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);min-width:210px;padding:8px;opacity:0;visibility:hidden;transition:opacity .32s var(--ease),transform .32s var(--ease);z-index:150}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:12px 16px;font-size:14.5px;font-weight:500;color:var(--ink);white-space:nowrap;border-radius:3px}
.dropdown a::after{display:none!important}
.dropdown a:hover{background:var(--blush-soft);color:var(--rosewood)}
.drawer-group-label{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--champagne);font-weight:600;padding:16px 0 4px;border-bottom:1px solid var(--line-soft)}
.nav-drawer .panel a.sub{padding-left:18px;font-size:16px;color:var(--muted)}
.nav-drawer .panel a.sub:hover{color:var(--rosewood)}

:root{
  /* Brand palette */
  --ivory:#f8f4ef;
  --white:#fffdfb;
  --blush:#efdcd6;
  --blush-soft:#f6eae4;
  --champagne:#b08a4f;
  --champagne-soft:#c9ad7d;
  --rosewood:#8f4a45;
  --rosewood-deep:#743a36;
  --ink:#3d332f;
  --muted:#8a7a72;
  --line:#e3d6cc;
  --line-soft:#efe6dc;

  /* Typography */
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;

  /* Rhythm */
  --container:1200px;
  --container-wide:1360px;
  --radius:4px;
  --radius-lg:10px;
  --shadow-sm:0 6px 24px rgba(61,51,47,.06);
  --shadow:0 18px 50px rgba(61,51,47,.10);
  --shadow-lg:0 30px 80px rgba(61,51,47,.16);
  --ease:cubic-bezier(.16,.68,.32,1);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--ivory);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .3s var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink);line-height:1.18;margin:0}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}

/* ---------- Layout helpers ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.container-wide{max-width:var(--container-wide)}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.bg-white{background:var(--white)}
.bg-ivory{background:var(--ivory)}
.bg-blush{background:linear-gradient(180deg,var(--blush-soft),var(--ivory))}
.bg-ink{background:var(--ink);color:#efe3da}
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}
.maxw-680{max-width:680px}
.maxw-760{max-width:760px}

/* ---------- Typography system ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--sans);font-size:12.5px;font-weight:600;
  letter-spacing:.32em;text-transform:uppercase;color:var(--champagne);
  margin:0 0 20px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--champagne-soft)}
.eyebrow.center{justify-content:center}
.eyebrow.center::after{content:"";width:34px;height:1px;background:var(--champagne-soft)}

h1,.h1{font-size:clamp(2.4rem,5.4vw,4rem)}
h2,.h2{font-size:clamp(2rem,4vw,3rem)}
h3,.h3{font-size:clamp(1.35rem,2.2vw,1.7rem)}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);line-height:1.85}
.section-head{max-width:720px}
.section-head.center{margin:0 auto;text-align:center}
.section-head p{color:var(--muted);margin-top:18px}
.accent{color:var(--rosewood)}
.serif-italic{font-family:var(--serif);font-style:italic}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:var(--rosewood-deep);--btn-fg:#fdf7f1;--btn-bd:var(--rosewood-deep);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border:1px solid var(--btn-bd);background:var(--btn-bg);color:var(--btn-fg);
  font-family:var(--sans);font-size:14.5px;font-weight:600;letter-spacing:.04em;
  border-radius:var(--radius);cursor:pointer;position:relative;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease),color .35s var(--ease);
}
.btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(116,58,54,.28)}
.btn:active{transform:translateY(-1px)}
.btn-gold{--btn-bg:var(--champagne);--btn-bd:var(--champagne);--btn-fg:#3a2f22}
.btn-gold:hover{box-shadow:0 16px 30px rgba(176,138,79,.32)}
.btn-outline{--btn-bg:transparent;--btn-fg:var(--rosewood-deep);--btn-bd:var(--champagne-soft)}
.btn-outline:hover{--btn-bg:var(--rosewood-deep);--btn-fg:#fdf7f1;--btn-bd:var(--rosewood-deep)}
.btn-light{--btn-bg:#fff;--btn-fg:var(--rosewood-deep);--btn-bd:#fff}
.btn-ghost-light{--btn-bg:transparent;--btn-fg:#fff;--btn-bd:rgba(255,255,255,.5)}
.btn-ghost-light:hover{--btn-bg:#fff;--btn-fg:var(--rosewood-deep)}
.btn-lg{padding:17px 38px;font-size:15px}
.btn-block{display:flex;width:100%}
.btn .ico{width:18px;height:18px;stroke:currentColor;fill:none}

.btn-text{
  display:inline-flex;align-items:center;gap:9px;font-weight:600;color:var(--rosewood);
  font-size:14.5px;letter-spacing:.02em;
}
.btn-text .arrow{transition:transform .35s var(--ease)}
.btn-text:hover{color:var(--rosewood-deep)}
.btn-text:hover .arrow{transform:translateX(6px)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  transition:background .4s var(--ease),box-shadow .4s var(--ease),padding .4s var(--ease);
  padding:22px 0;
}
.site-header.solid{background:rgba(248,244,239,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line);padding:14px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;flex-direction:column;line-height:1;gap:4px}
.brand .brand-name{font-family:var(--serif);font-size:1.35rem;font-weight:600;letter-spacing:.02em;color:var(--ink)}
.brand .brand-sub{font-size:10px;letter-spacing:.42em;text-transform:uppercase;color:var(--champagne);font-weight:600;padding-left:2px}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links a{font-size:14px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--champagne);transition:width .35s var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--rosewood)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-phone{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--rosewood-deep);font-size:14.5px}
.nav-phone .ico{width:17px;height:17px;stroke:var(--champagne);fill:none}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s var(--ease)}

/* Mobile drawer */
.nav-drawer{position:fixed;inset:0;z-index:210;visibility:hidden;pointer-events:none}
.nav-drawer .backdrop{position:absolute;inset:0;background:rgba(61,51,47,.4);opacity:0;transition:opacity .4s}
.nav-drawer .panel{
  position:absolute;top:0;right:0;height:100%;width:min(84vw,360px);background:var(--ivory);
  box-shadow:var(--shadow-lg);transform:translateX(100%);transition:transform .45s var(--ease);
  padding:28px 28px 40px;display:flex;flex-direction:column;
}
.nav-drawer.open{visibility:visible;pointer-events:auto}
.nav-drawer.open .backdrop{opacity:1}
.nav-drawer.open .panel{transform:translateX(0)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
.drawer-close{background:none;border:none;font-size:26px;line-height:1;color:var(--ink);cursor:pointer}
.nav-drawer .panel a{padding:15px 0;font-size:17px;border-bottom:1px solid var(--line-soft);font-weight:500}
.nav-drawer .panel a:hover{color:var(--rosewood)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:150px 0 90px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-copy h1{margin-bottom:26px}
.hero-copy h1 .thin{font-style:italic;font-weight:500;color:var(--rosewood)}
.hero-copy .lead{margin-bottom:34px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero-media{position:relative}
.hero-media .frame{position:relative;z-index:2;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-media .frame img{aspect-ratio:3/4;object-fit:cover;width:100%}
.hero-media::before{content:"";position:absolute;right:-22px;top:32px;bottom:-22px;left:44px;border:1px solid var(--champagne-soft);z-index:1}
.hero-badge{
  position:absolute;left:-26px;bottom:44px;z-index:3;background:var(--white);
  box-shadow:var(--shadow);padding:18px 22px;display:flex;align-items:center;gap:14px;border-radius:var(--radius)
}
.hero-badge .num{font-family:var(--serif);font-size:2rem;color:var(--rosewood);line-height:1}
.hero-badge .lbl{font-size:12.5px;color:var(--muted);line-height:1.4}
.hero-trust{display:flex;gap:34px;margin-top:40px;flex-wrap:wrap}
.hero-trust .t{display:flex;flex-direction:column}
.hero-trust .t b{font-family:var(--serif);font-size:1.7rem;color:var(--ink);line-height:1}
.hero-trust .t span{font-size:13px;color:var(--muted);margin-top:4px}
.hero-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:8px}
.hero-scroll .line{width:1px;height:40px;background:var(--champagne-soft);animation:scrollLine 2s var(--ease) infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- Marquee / trust bar ---------- */
.trustbar{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:var(--white)}
.trustbar .row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 44px;padding:26px 0;text-align:center}
.trustbar .row span{font-size:13.5px;letter-spacing:.06em;color:var(--muted);display:inline-flex;align-items:center;gap:10px}
.trustbar .row span::before{content:"✦";color:var(--champagne);font-size:11px}

/* ---------- Intro split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border:1px solid var(--line)}
.split-media .tag{position:absolute;bottom:-1px;left:-1px;background:var(--rosewood-deep);color:#fdf5ee;padding:16px 22px;font-family:var(--serif);font-style:italic;font-size:1.05rem}
.sig{font-family:var(--serif);font-style:italic;font-size:1.5rem;color:var(--rosewood);margin-top:8px}

/* ---------- USP / feature grid ---------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.usp{background:var(--white);border:1px solid var(--line-soft);padding:38px 30px;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s}
.usp:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line)}
.usp .icn{width:52px;height:52px;border:1px solid var(--champagne-soft);border-radius:50%;display:grid;place-items:center;margin-bottom:22px}
.usp .icn svg{width:24px;height:24px;stroke:var(--rosewood);fill:none}
.usp h3{font-size:1.2rem;margin-bottom:12px}
.usp p{color:var(--muted);font-size:15.5px;margin:0}

/* ---------- Service cards ---------- */
.svc{position:relative;overflow:hidden;background:var(--white);border:1px solid var(--line-soft)}
.svc-media{overflow:hidden;position:relative;aspect-ratio:4/5}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.svc:hover .svc-media img{transform:scale(1.06)}
.svc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(61,51,47,.55));opacity:.9}
.svc-body{padding:26px 26px 30px}
.svc-body h3{font-size:1.3rem;margin-bottom:10px}
.svc-body p{color:var(--muted);font-size:15px;margin-bottom:18px}
.svc-media .cat{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,253,251,.9);color:var(--rosewood-deep);font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;padding:7px 13px}
.svc-price{font-family:var(--serif);color:var(--rosewood);font-size:1.05rem}
.svc-list{display:flex;flex-direction:column;gap:9px;margin:0 0 20px}
.svc-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink)}
.svc-list li::before{content:"";flex:none;width:16px;height:16px;margin-top:4px;background:var(--blush-soft);border-radius:50%;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238f4a45' stroke-width='3'%3E%3Cpath d='M5 12l5 5 9-11'/%3E%3C/svg%3E");background-size:11px;background-repeat:no-repeat;background-position:center}

/* ---------- Why choose (feature list w/ image) ---------- */
.why-list{display:flex;flex-direction:column;gap:8px}
.why-item{display:flex;gap:20px;padding:22px;border:1px solid transparent;transition:.4s var(--ease)}
.why-item:hover{border-color:var(--line);background:var(--white);box-shadow:var(--shadow-sm)}
.why-item .n{font-family:var(--serif);font-size:1.5rem;color:var(--champagne);line-height:1;flex:none;width:44px}
.why-item h3{font-size:1.15rem;margin-bottom:7px}
.why-item p{color:var(--muted);font-size:15px;margin:0}

/* ---------- Gallery ---------- */
.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:40px}
.filters button{
  background:transparent;border:1px solid var(--line);color:var(--muted);
  padding:10px 22px;border-radius:40px;font-size:14px;font-weight:500;cursor:pointer;transition:.3s var(--ease)
}
.filters button:hover{color:var(--rosewood);border-color:var(--champagne-soft)}
.filters button.active{background:var(--rosewood-deep);color:#fdf5ee;border-color:var(--rosewood-deep)}
.masonry{columns:3;column-gap:18px}
.masonry .shot{break-inside:avoid;margin-bottom:18px;position:relative;overflow:hidden;cursor:pointer;border:1px solid var(--line-soft)}
.masonry .shot img{width:100%;transition:transform 1s var(--ease)}
.masonry .shot::after{content:"";position:absolute;inset:0;background:rgba(116,58,54,0);transition:.4s var(--ease)}
.masonry .shot:hover img{transform:scale(1.05)}
.masonry .shot:hover::after{background:rgba(116,58,54,.14)}
.masonry .shot .zoom{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:.4s var(--ease);z-index:2}
.masonry .shot .zoom span{width:52px;height:52px;border-radius:50%;background:rgba(255,253,251,.92);display:grid;place-items:center;color:var(--rosewood)}
.masonry .shot:hover .zoom{opacity:1}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:400;background:rgba(45,36,33,.94);display:none;align-items:center;justify-content:center;padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:86vh;box-shadow:var(--shadow-lg);border:3px solid rgba(255,255,255,.06)}
.lightbox .lb-close,.lightbox .lb-nav{position:absolute;background:rgba(255,253,251,.12);border:1px solid rgba(255,255,255,.25);color:#fff;width:52px;height:52px;border-radius:50%;font-size:22px;cursor:pointer;display:grid;place-items:center;transition:.3s}
.lightbox .lb-close:hover,.lightbox .lb-nav:hover{background:rgba(255,253,251,.28)}
.lightbox .lb-close{top:26px;right:26px}
.lightbox .lb-prev{left:26px;top:50%;transform:translateY(-50%)}
.lightbox .lb-next{right:26px;top:50%;transform:translateY(-50%)}

/* ---------- Process / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{position:relative;padding:0 26px;text-align:center}
.step:not(:last-child)::after{content:"";position:absolute;top:32px;right:0;width:100%;height:1px;background:repeating-linear-gradient(90deg,var(--champagne-soft) 0 6px,transparent 6px 12px)}
.step .dot{width:66px;height:66px;margin:0 auto 22px;border-radius:50%;background:var(--white);border:1px solid var(--champagne-soft);display:grid;place-items:center;font-family:var(--serif);font-size:1.5rem;color:var(--rosewood);position:relative;z-index:2}
.step h3{font-size:1.12rem;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- Testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quote{background:var(--white);border:1px solid var(--line-soft);padding:34px 30px;display:flex;flex-direction:column;gap:18px}
.quote .stars{color:var(--champagne);letter-spacing:3px;font-size:15px}
.quote p{font-size:15.5px;color:var(--ink);line-height:1.8;margin:0;flex:1}
.quote .who{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line-soft);padding-top:18px}
.quote .who .av{width:46px;height:46px;border-radius:50%;background:var(--blush);display:grid;place-items:center;font-family:var(--serif);color:var(--rosewood);font-size:1.1rem;flex:none}
.quote .who b{display:block;font-size:15px;color:var(--ink);font-weight:600}
.quote .who span{font-size:13px;color:var(--muted)}

/* ---------- Stats band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat b{display:block;font-family:var(--serif);font-size:clamp(2.4rem,4vw,3.2rem);color:var(--white);line-height:1}
.stat.dark b{color:var(--rosewood)}
.stat span{font-size:14px;letter-spacing:.04em;margin-top:10px;display:block;opacity:.85}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--rosewood-deep),var(--rosewood));color:#fbeee6;text-align:center}
.cta-band::before,.cta-band::after{content:"";position:absolute;border:1px solid rgba(255,255,255,.14);border-radius:50%}
.cta-band::before{width:340px;height:340px;top:-150px;left:-120px}
.cta-band::after{width:420px;height:420px;bottom:-220px;right:-140px}
.cta-band .inner{position:relative;z-index:2;padding:88px 24px}
.cta-band h2{color:#fff;margin-bottom:18px}
.cta-band p{color:rgba(255,255,255,.82);max-width:560px;margin:0 auto 34px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Contact / form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.form-card{background:var(--white);border:1px solid var(--line);padding:40px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field label .req{color:var(--rosewood)}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border:1px solid var(--line);background:var(--ivory);
  font-family:var(--sans);font-size:15px;color:var(--ink);border-radius:var(--radius);transition:.3s var(--ease)
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--champagne);background:var(--white);box-shadow:0 0 0 3px rgba(176,138,79,.14)}
.field textarea{resize:vertical;min-height:110px}
.form-note{font-size:13px;color:var(--muted);margin-top:6px}
.form-msg{display:none;padding:14px 16px;border-radius:var(--radius);font-size:14.5px;margin-bottom:18px}
.form-msg.ok{display:block;background:#eef6ec;color:#2f6b34;border:1px solid #cfe6c9}
.form-msg.err{display:block;background:#fbeceb;color:#9b3b34;border:1px solid #f0cfcc}
.info-block{display:flex;flex-direction:column;gap:26px}
.info-item{display:flex;gap:18px;align-items:flex-start}
.info-item .ic{flex:none;width:50px;height:50px;border:1px solid var(--champagne-soft);border-radius:50%;display:grid;place-items:center}
.info-item .ic svg{width:22px;height:22px;stroke:var(--rosewood);fill:none}
.info-item h4{font-family:var(--serif);font-size:1.15rem;margin:0 0 4px}
.info-item p{margin:0;color:var(--muted);font-size:15px}
.info-item a{color:var(--rosewood);font-weight:600}
.map-embed{border:1px solid var(--line);overflow:hidden;height:100%;min-height:320px}
.map-embed iframe{width:100%;height:100%;min-height:320px;border:0;display:block;filter:grayscale(.2) contrast(1.02)}

/* ---------- FAQ accordion ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:24px 40px 24px 0;font-family:var(--serif);font-size:1.18rem;color:var(--ink);cursor:pointer;position:relative;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq-q .pm{flex:none;width:26px;height:26px;position:relative}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--rosewood);transition:.35s var(--ease)}
.faq-q .pm::before{top:12px;left:4px;right:4px;height:2px}
.faq-q .pm::after{left:12px;top:4px;bottom:4px;width:2px}
.faq-item.open .pm::after{transform:scaleY(0)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .45s var(--ease)}
.faq-a p{padding:0 0 24px;color:var(--muted);font-size:15.5px;margin:0}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.price{background:var(--white);border:1px solid var(--line-soft);padding:40px 32px;display:flex;flex-direction:column;position:relative;transition:.4s var(--ease)}
.price:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.price.feat{border-color:var(--champagne);box-shadow:var(--shadow)}
.price.feat::before{content:"Được chọn nhiều nhất";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--champagne);color:#3a2f22;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;padding:6px 16px;white-space:nowrap}
.price .name{font-family:var(--serif);font-size:1.5rem;margin-bottom:8px}
.price .desc{font-size:14px;color:var(--muted);margin-bottom:22px;min-height:42px}
.price .amt{display:flex;align-items:baseline;gap:6px;margin-bottom:6px}
.price .amt .from{font-size:13px;color:var(--muted)}
.price .amt b{font-family:var(--serif);font-size:2.2rem;color:var(--rosewood)}
.price .amt .unit{font-size:14px;color:var(--muted)}
.price hr{border:none;border-top:1px solid var(--line-soft);margin:22px 0}
.price ul{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;flex:1}
.price ul li{display:flex;gap:11px;font-size:14.5px;color:var(--ink)}
.price ul li svg{flex:none;width:18px;height:18px;stroke:var(--champagne);fill:none;margin-top:3px}

/* ---------- Blog ---------- */
.post-card{background:var(--white);border:1px solid var(--line-soft);overflow:hidden;display:flex;flex-direction:column;transition:.4s var(--ease)}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post-card .media{aspect-ratio:16/10;overflow:hidden}
.post-card .media img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.post-card:hover .media img{transform:scale(1.05)}
.post-card .body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1}
.post-card .meta{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--champagne);font-weight:600;margin-bottom:12px}
.post-card h3{font-size:1.28rem;margin-bottom:12px;line-height:1.35}
.post-card p{font-size:14.5px;color:var(--muted);margin-bottom:18px;flex:1}

/* Article */
.article{max-width:760px;margin:0 auto}
.article p{color:#4a3f3a;line-height:1.9}
.article h2{margin:44px 0 18px}
.article h3{margin:32px 0 14px}
.article ul.dot{margin:0 0 1.3em;display:flex;flex-direction:column;gap:10px}
.article ul.dot li{position:relative;padding-left:26px;color:#4a3f3a}
.article ul.dot li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;background:var(--champagne);border-radius:50%}
.article blockquote{margin:30px 0;padding:24px 30px;border-left:3px solid var(--champagne);background:var(--blush-soft);font-family:var(--serif);font-style:italic;font-size:1.25rem;color:var(--rosewood-deep)}
.article figure{margin:34px 0}
.article figure img{width:100%;border:1px solid var(--line)}
.article figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}

/* ---------- Page hero (interior) ---------- */
.page-hero{padding:150px 0 66px;text-align:center;background:linear-gradient(180deg,var(--blush-soft),var(--ivory))}
.page-hero h1{margin-bottom:18px}
.page-hero p{color:var(--muted);max-width:640px;margin:0 auto}
.breadcrumb{display:flex;justify-content:center;gap:10px;font-size:13px;color:var(--muted);margin-top:22px}
.breadcrumb a:hover{color:var(--rosewood)}
.breadcrumb .sep{color:var(--champagne-soft)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#cdbeb4;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.site-footer .brand-name{color:#f6ece3}
.site-footer p{color:#b6a69c;font-size:14.5px}
.footer-col h4{font-family:var(--sans);font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--champagne-soft);margin:0 0 20px;font-weight:600}
.footer-col a{display:block;padding:7px 0;color:#c7b8ae;font-size:14.5px}
.footer-col a:hover{color:#fff}
.social{display:flex;gap:12px;margin-top:20px}
.social a{width:42px;height:42px;border:1px solid rgba(255,255,255,.18);border-radius:50%;display:grid;place-items:center;transition:.3s var(--ease)}
.social a svg{width:18px;height:18px;stroke:#cdbeb4;fill:none}
.social a:hover{background:var(--rosewood);border-color:var(--rosewood)}
.social a:hover svg{stroke:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:60px;padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9c8d84}

/* ---------- Floating actions ---------- */
.fab{position:fixed;right:20px;bottom:22px;z-index:180;display:flex;flex-direction:column;gap:12px}
.fab a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow);position:relative;transition:transform .3s var(--ease)}
.fab a:hover{transform:scale(1.08)}
.fab a svg{width:26px;height:26px}
.fab .f-call{background:#2fae5b}
.fab .f-zalo{background:#0068ff}
.fab .f-mess{background:#0084ff}
.fab a .pulse{position:absolute;inset:0;border-radius:50%;animation:pulse 2s infinite}
.fab .f-call .pulse{box-shadow:0 0 0 0 rgba(47,174,91,.5)}
@keyframes pulse{70%{box-shadow:0 0 0 14px rgba(47,174,91,0)}100%{box-shadow:0 0 0 0 rgba(47,174,91,0)}}
.to-top{position:fixed;right:20px;bottom:22px;z-index:170;width:48px;height:48px;border-radius:50%;background:var(--rosewood-deep);color:#fff;border:none;cursor:pointer;display:grid;place-items:center;opacity:0;pointer-events:none;transform:translateY(12px);transition:.4s var(--ease)}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top svg{width:20px;height:20px;stroke:#fff;fill:none}

/* ---------- Consult popup ---------- */
.modal{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal .backdrop{position:absolute;inset:0;background:rgba(45,36,33,.55);backdrop-filter:blur(3px)}
.modal .box{position:relative;z-index:2;background:var(--white);max-width:460px;width:100%;box-shadow:var(--shadow-lg);border:1px solid var(--line);animation:pop .5s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:none}}
.modal .box .top{background:linear-gradient(120deg,var(--rosewood-deep),var(--rosewood));color:#fff;padding:30px 34px}
.modal .box .top .eyebrow{color:#f0d9b8}
.modal .box .top .eyebrow::before{background:#e6c79c}
.modal .box .top h3{color:#fff;font-size:1.5rem}
.modal .box .inner{padding:28px 34px 34px}
.modal .close{position:absolute;top:16px;right:16px;z-index:3;background:rgba(255,255,255,.15);border:none;color:#fff;width:34px;height:34px;border-radius:50%;font-size:18px;cursor:pointer}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}*{animation:none!important}}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .quotes{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:40px 30px}
  .masonry{columns:2}
}
/* Nav: full menu (7 items) needs room; switch to hamburger below ~1180px */
@media(max-width:1320px){.nav-links{gap:16px}.nav-links a{font-size:13.5px}.nav-phone{font-size:13.5px}}
@media(max-width:1180px){
  .nav-links,.nav-phone{display:none}
  .nav-toggle{display:flex}
}
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-media{max-width:440px;margin:0 auto}
  .hero{padding:130px 0 70px}
  .split{grid-template-columns:1fr;gap:38px}
  .split.reverse .split-media{order:0}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:1fr 1fr;gap:40px 20px}
  .step:not(:last-child)::after{display:none}
  .price-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}
  .price.feat{order:-1}
}
@media(max-width:640px){
  body{font-size:16px}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
  .container{padding:0 20px}
  .grid-2,.grid-3,.grid-4,.quotes{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .masonry{columns:1}
  .hero-trust{gap:24px}
  .stats{grid-template-columns:1fr 1fr;gap:32px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .form-card{padding:28px 22px}
  .cta-band .inner{padding:60px 20px}
  .fab a{width:50px;height:50px}
  .hero-badge{left:0}
}