/* ══ agency-web — Shared Styles ══
   Màu accent: Green #1a6b52 (default design system)
   Font: DM Sans · Bootstrap 5.3.3
   Chỉnh màu: sửa --accent, --accent-h, --accent-light trong :root
*/
:root {
  --bg:#faf9f7; --surface:#fff; --dark:#0c0b09; --dark2:#141210;
  --border:#e8e5df; --border-light:#f0ede8;
  --text:#1a1917; --text-2:#6b6760; --text-3:#a09d97;
  --accent:#1a6b52; --accent-h:#155a44; --accent-light:#e8f4ef; --accent-mid:#2d9b73;
  --warm:#f5f0e8; --warm2:#ede8df; --danger:#e24b4a;
  --sans:'DM Sans',sans-serif;
  --bs-body-font-family:var(--sans); --bs-body-bg:var(--bg);
  --bs-body-color:var(--text); --bs-border-color:var(--border);
}
html { scroll-behavior:smooth; }
body { font-family:var(--sans); background:var(--bg); color:var(--text); overflow-x:hidden; -webkit-font-smoothing:antialiased; }
::-webkit-scrollbar { width:4px; }
::-webkit-scrollbar-thumb { background:var(--warm2); border-radius:4px; }
img { display:block; }
.wd-container { max-width:1100px; margin:0 auto; padding:0 clamp(20px,5vw,80px); }
.sec-pad { padding:clamp(72px,10vw,128px) 0; }

/* Reveal */
.reveal { opacity:0; transform:translateY(28px); transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.visible { opacity:1; transform:none; }
.reveal-d1 { transition-delay:.08s; }
.reveal-d2 { transition-delay:.16s; }
.reveal-d3 { transition-delay:.24s; }

/* Section header */
.eyebrow { display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:500;color:var(--accent);text-transform:uppercase;letter-spacing:1.4px;margin-bottom:14px; }
.eyebrow::before,.eyebrow::after { content:'';width:16px;height:1px;background:var(--accent); }
.sec-title { font-size:clamp(26px,3.8vw,44px);font-weight:600;color:var(--text);line-height:1.1;letter-spacing:-.8px;margin-bottom:14px; }
.sec-title em { color:var(--accent);font-style:italic;font-weight:300; }
.sec-sub { font-size:15px;font-weight:300;color:var(--text-2);line-height:1.75;max-width:520px;margin:0 auto; }
.sec-dark .eyebrow { color:#4ade80; }
.sec-dark .eyebrow::before,.sec-dark .eyebrow::after { background:#4ade80; }
.sec-dark .sec-title { color:#fff; }
.sec-dark .sec-sub { color:rgba(255,255,255,.38); }

/* Nav — light (inner pages) */
#nav { position:fixed;top:0;left:0;right:0;z-index:500;background:rgba(250,249,247,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:all .3s; }
#nav.transparent { background:transparent;border-color:transparent; }
#nav.transparent .logo { color:#fff; }
#nav.transparent .logo span { color:#4ade80; }
#nav.transparent .nav-links a { color:rgba(255,255,255,.65); }
#nav.transparent .nav-cta { background:#fff;color:var(--dark); }
#nav.transparent .nav-hamburger span { background:rgba(255,255,255,.75); }
.nav-inner { height:62px;display:flex;align-items:center;justify-content:space-between; }
.logo { font-size:17px;font-weight:600;color:var(--text);text-decoration:none;letter-spacing:-.5px; }
.logo span { color:var(--accent); }
.nav-links { display:flex;gap:28px; }
.nav-links a { font-size:13.5px;color:var(--text-2);text-decoration:none;transition:color .2s; }
.nav-links a:hover,.nav-links a.active { color:var(--text); }
.nav-cta { font-size:13px;font-weight:500;background:var(--text);color:#fff;padding:9px 22px;border-radius:8px;border:none;cursor:pointer;text-decoration:none;transition:all .2s;font-family:var(--sans); }
.nav-cta:hover { background:var(--accent);color:#fff; }
.nav-hamburger { display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;border:none;background:transparent; }
.nav-hamburger span { display:block;width:22px;height:2px;background:var(--text-2);border-radius:2px;transition:all .3s; }
.nav-hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity:0; }
.nav-hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }
.nav-mobile { position:fixed;inset:0;background:rgba(250,249,247,.98);backdrop-filter:blur(12px);z-index:490;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;opacity:0;pointer-events:none;transition:opacity .3s; }
.nav-mobile.open { opacity:1;pointer-events:auto; }
.nav-mobile a { font-size:22px;font-weight:500;color:var(--text-2);text-decoration:none;transition:color .2s; }
.nav-mobile a:hover { color:var(--text); }
.nav-mobile .nm-cta { font-size:15px;background:var(--accent);color:#fff;padding:13px 36px;border-radius:9px;margin-top:8px; }
@media(max-width:768px) { .nav-links,.nav-cta { display:none; } .nav-hamburger { display:flex; } }

/* Page hero (inner pages) */
.page-hero { padding:calc(62px + clamp(48px,6vw,80px)) 0 clamp(48px,6vw,72px);background:var(--dark2);text-align:center; }
.ph-eyebrow { font-size:11px;font-weight:500;color:var(--accent-mid);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:16px; }
.ph-title { font-size:clamp(32px,4.5vw,58px);font-weight:600;color:#fff;line-height:1.1;letter-spacing:-1px;margin-bottom:14px; }
.ph-title em { color:#4ade80;font-style:italic;font-weight:300; }
.ph-sub { font-size:clamp(14px,1.4vw,17px);font-weight:300;color:rgba(255,255,255,.45);max-width:500px;margin:0 auto; }

/* Buttons */
.btn-accent { font-size:14px;font-weight:500;background:var(--accent);color:#fff;padding:12px 26px;border-radius:9px;border:none;cursor:pointer;font-family:var(--sans);transition:all .2s;text-decoration:none;display:inline-block; }
.btn-accent:hover { background:var(--accent-h);transform:translateY(-1px);color:#fff; }
.btn-ghost { font-size:14px;font-weight:400;background:transparent;color:var(--text-2);padding:12px 26px;border-radius:9px;border:1px solid var(--border);cursor:pointer;font-family:var(--sans);transition:all .2s;text-decoration:none;display:inline-block; }
.btn-ghost:hover { background:var(--warm);color:var(--text);border-color:var(--warm2); }
.btn-white { font-size:14px;font-weight:500;background:#fff;color:var(--dark);padding:12px 26px;border-radius:9px;border:none;cursor:pointer;font-family:var(--sans);transition:all .2s;text-decoration:none;display:inline-block; }
.btn-white:hover { background:#f0fdf4;transform:translateY(-1px);color:var(--dark); }
.btn-outline-white { font-size:14px;background:transparent;color:rgba(255,255,255,.7);padding:12px 26px;border-radius:9px;border:1px solid rgba(255,255,255,.25);cursor:pointer;font-family:var(--sans);transition:all .2s;text-decoration:none;display:inline-block; }
.btn-outline-white:hover { border-color:rgba(255,255,255,.6);color:#fff; }

/* Service card */
.svc-card { background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px;transition:transform .28s cubic-bezier(.16,1,.3,1),box-shadow .28s,border-color .2s;height:100%; }
.svc-card:hover { transform:translateY(-6px);box-shadow:0 18px 48px rgba(0,0,0,.09);border-color:var(--accent-light); }
.svc-icon { width:44px;height:44px;border-radius:11px;background:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px; }
.svc-title { font-size:16px;font-weight:600;color:var(--text);letter-spacing:-.3px;margin-bottom:8px; }
.svc-desc { font-size:13.5px;font-weight:300;color:var(--text-2);line-height:1.7; }
.svc-link { font-size:13px;font-weight:500;color:var(--accent);text-decoration:none;margin-top:14px;display:inline-flex;align-items:center;gap:5px; }
.svc-link:hover { color:var(--accent-h); }

/* Portfolio card */
.pf-card { border-radius:14px;overflow:hidden;position:relative;cursor:pointer;background:var(--dark2); }
.pf-img { width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .5s ease; }
.pf-card:hover .pf-img { transform:scale(1.07); }
.pf-overlay { position:absolute;inset:0;background:linear-gradient(to top,rgba(12,11,9,.85) 0%,transparent 55%);opacity:0;transition:opacity .3s; }
.pf-card:hover .pf-overlay { opacity:1; }
.pf-info { position:absolute;bottom:0;left:0;right:0;padding:20px;transform:translateY(8px);opacity:0;transition:all .3s; }
.pf-card:hover .pf-info { transform:translateY(0);opacity:1; }
.pf-cat { font-size:11px;font-weight:500;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:.8px;margin-bottom:5px; }
.pf-name { font-size:15px;font-weight:600;color:#fff;letter-spacing:-.3px; }

/* Stat block */
.stat-num { font-size:clamp(32px,4vw,52px);font-weight:600;color:var(--text);line-height:1;letter-spacing:-1px;margin-bottom:6px; }
.stat-label { font-size:13px;font-weight:300;color:var(--text-2); }

/* Team card */
.tm-card { text-align:center; }
.tm-avatar { width:88px;height:88px;border-radius:50%;object-fit:cover;margin:0 auto 14px;border:3px solid var(--surface);box-shadow:0 4px 20px rgba(0,0,0,.1); }
.tm-name { font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px;letter-spacing:-.3px; }
.tm-role { font-size:13px;font-weight:300;color:var(--text-3); }

/* Review card */
.rv { background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;height:100%; }
.rv-stars { color:#f59e0b;font-size:13px;letter-spacing:2px;margin-bottom:14px; }
.rv-text { font-size:13.5px;font-weight:300;color:var(--text-2);line-height:1.75;margin-bottom:18px;font-style:italic; }
.rv-foot { display:flex;align-items:center;gap:10px;padding-top:14px;border-top:1px solid var(--border-light); }
.rv-av { width:34px;height:34px;border-radius:50%;object-fit:cover;flex-shrink:0; }
.rv-name { font-size:13px;font-weight:500;color:var(--text); }
.rv-role { font-size:11.5px;color:var(--text-3); }

/* CTA */
.cta-sec { background:var(--accent);padding:clamp(64px,9vw,100px) 0;text-align:center;position:relative;overflow:hidden; }
.cta-sec::before { content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,0,0,.1) 0%,transparent 55%); }
.cta-title { font-size:clamp(26px,4vw,50px);font-weight:600;color:#fff;line-height:1.1;margin-bottom:12px;letter-spacing:-.8px;position:relative; }
.cta-sub { font-size:15px;font-weight:300;color:rgba(255,255,255,.65);margin-bottom:28px;position:relative; }

/* Footer */
footer { background:var(--dark); }
.ft-logo { font-size:18px;font-weight:600;color:#fff;letter-spacing:-.5px;margin-bottom:12px; }
.ft-logo span { color:#4ade80; }
.ft-desc { font-size:13px;font-weight:300;color:rgba(255,255,255,.35);line-height:1.7;max-width:240px;margin-bottom:20px; }
.ft-socials { display:flex;gap:8px; }
.ft-soc { width:33px;height:33px;border-radius:8px;border:1px solid rgba(255,255,255,.09);color:rgba(255,255,255,.35);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s;text-decoration:none; }
.ft-soc:hover { border-color:rgba(255,255,255,.28);color:rgba(255,255,255,.8); }
.ft-col-title { font-size:11px;font-weight:600;color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:.8px;margin-bottom:14px; }
.ft-links { display:flex;flex-direction:column;gap:9px; }
.ft-links a { font-size:13px;font-weight:300;color:rgba(255,255,255,.35);text-decoration:none;transition:color .15s; }
.ft-links a:hover { color:rgba(255,255,255,.75); }
.ft-bottom { background:#080706;border-top:1px solid rgba(255,255,255,.04); }
.ft-copy { font-size:12px;font-weight:300;color:rgba(255,255,255,.18); }

/* Form */
.form-label { font-size:12px;font-weight:500;color:var(--text-2);margin-bottom:5px;display:block; }
.form-control,.form-select { font-family:var(--sans);font-size:14px;font-weight:300;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:.5rem .75rem;transition:border-color .15s,box-shadow .15s;background:var(--surface); }
.form-control:focus,.form-select:focus { border-color:var(--accent);box-shadow:0 0 0 3px rgba(26,107,82,.08);outline:none;color:var(--text); }

/* Zalo float */
.zf { position:fixed;bottom:26px;right:26px;z-index:400;display:flex;flex-direction:column;align-items:flex-end;gap:8px; }
.zf-tip { font-size:12px;background:var(--dark);color:rgba(255,255,255,.75);padding:6px 12px;border-radius:6px;opacity:0;transform:translateX(6px);transition:all .2s;pointer-events:none;white-space:nowrap;border:1px solid rgba(255,255,255,.08); }
.zf:hover .zf-tip { opacity:1;transform:none; }
.zf-btn { width:48px;height:48px;border-radius:50%;background:#0068FF;display:flex;align-items:center;justify-content:center;border:none;font-size:22px;box-shadow:0 4px 18px rgba(0,104,255,.38);transition:transform .2s;cursor:pointer; }
.zf-btn:hover { transform:scale(1.09); }