/* Truong Thinh Corp — shared landing-page design system */
:root{
  --navy-900:#0a1a30;
  --navy-800:#0f2747;
  --navy-700:#16345f;
  --blue:#086fd6;
  --blue-dark:#0559ad;
  --orange:#e8821e;
  --orange-dark:#d9740f;
  --ink:#16233a;
  --ink-soft:#4b5768;
  --line:#e6ebf2;
  --bg-soft:#f5f8fc;
  --white:#ffffff;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(15,39,71,.06);
  --shadow-md:0 12px 32px rgba(15,39,71,.12);
  --shadow-lg:0 24px 60px rgba(15,39,71,.18);
  --font-body:"Albert Sans","Albert Sans Fallback",sans-serif;
  --font-head:"Space Grotesk","Space Grotesk Fallback",sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--navy-800);line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700}
h3{font-size:clamp(1.15rem,2vw,1.5rem);font-weight:600}
p{margin:0 0 1em;color:var(--ink-soft)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
@media (max-width:768px){.section{padding:56px 0}.section-tight{padding:36px 0}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--orange-dark);background:#fff3e6;padding:7px 16px;border-radius:999px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:8px;font-weight:700;font-size:1rem;
  border:2px solid transparent;cursor:pointer;transition:.2s ease;line-height:1;
  font-family:var(--font-body);
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-ghost-navy{background:transparent;color:var(--navy-800);border-color:var(--navy-800)}
.btn-ghost-navy:hover{background:var(--navy-800);color:#fff}
.btn-block{width:100%}

/* Top bar / nav */
.lp-topbar{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--line);
}
.lp-topbar-inner{
  max-width:var(--container);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.lp-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;color:var(--navy-800);font-size:1.05rem}
.lp-logo img{height:38px;width:auto}
.lp-topbar-cta{display:flex;align-items:center;gap:18px}
.lp-topbar-phone{font-weight:700;color:var(--navy-800);font-size:.92rem;display:flex;align-items:center;gap:6px}
.lp-topbar .btn{padding:11px 22px;font-size:.9rem}
@media (max-width:640px){
  .lp-topbar-phone{display:none}
  .lp-logo span{display:none}
}

/* Trust strip */
.trust-strip{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-strip-inner{
  max-width:var(--container);margin:0 auto;padding:22px 24px;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
}
.trust-item{display:flex;align-items:center;gap:10px;font-size:.88rem;font-weight:600;color:var(--navy-800)}
.trust-item svg{flex:0 0 auto;color:var(--blue)}

/* Stat grid */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;box-shadow:var(--shadow-sm)}
.stat-num{font-family:var(--font-head);font-size:clamp(1.7rem,3vw,2.3rem);font-weight:700;color:var(--blue)}
.stat-label{font-size:.85rem;color:var(--ink-soft);margin-top:4px}
@media (max-width:900px){.stat-grid{grid-template-columns:repeat(2,1fr)}}

/* Cards */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);transition:.2s}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

/* Process steps */
.step-row{display:flex;gap:22px;align-items:flex-start;padding:22px 0;border-bottom:1px solid var(--line)}
.step-row:last-child{border-bottom:none}
.step-num{
  flex:0 0 44px;height:44px;border-radius:50%;background:var(--navy-800);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;
}

/* Table */
.cmp-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.cmp-table th,.cmp-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.94rem}
.cmp-table th{background:var(--navy-800);color:#fff;font-family:var(--font-head)}
.cmp-table tr:last-child td{border-bottom:none}
.cmp-table td:first-child{font-weight:700;color:var(--navy-800)}
.check-yes{color:#1a9d5c;font-weight:700}
.check-no{color:#c23b3b}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg,var(--navy-800) 0%,var(--navy-700) 100%);
  border-radius:20px;padding:52px 46px;color:#eaf0fa;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(232,130,30,.25),transparent 70%);
}
.cta-band h2{color:#fff}
.cta-band p{color:#c9d6ea}

/* Form */
.lp-form{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-lg)}
.lp-form h3{margin-bottom:6px}
.lp-form .sub{font-size:.88rem;color:var(--ink-soft);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.82rem;font-weight:700;color:var(--navy-800);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:8px;
  font-family:var(--font-body);font-size:.95rem;color:var(--ink);background:#fbfcfe;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);background:#fff}
.field textarea{resize:vertical;min-height:96px}
.form-msg{margin-top:14px;font-size:.9rem;padding:10px 14px;border-radius:8px;display:none}
.form-msg.ok{display:block;background:#eafaf1;color:#1a7a45}
.form-msg.err{display:block;background:#fdecec;color:#b3261e}
.form-note{font-size:.76rem;color:#94a3b8;margin-top:14px}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;cursor:pointer;
  font-family:var(--font-head);font-weight:600;font-size:1.02rem;color:var(--navy-800);
}
.faq-q .plus{transition:.25s;font-size:1.4rem;color:var(--orange);flex:0 0 auto;margin-left:16px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{padding-bottom:20px;margin:0}

/* Sticky mobile CTA */
.sticky-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:60;background:#fff;
  border-top:1px solid var(--line);padding:12px 16px;box-shadow:0 -6px 20px rgba(0,0,0,.08);
  display:none;gap:10px;
}
@media (max-width:768px){.sticky-cta{display:flex}body{padding-bottom:70px}}

/* Footer */
.lp-footer{background:var(--navy-900);color:#aebbd2;padding:48px 0 24px}
.lp-footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}
.lp-footer a{color:#c9d6ea}
.lp-footer a:hover{color:#fff}
.lp-footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:32px;padding-top:20px;font-size:.8rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.badge{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:8px 14px;border-radius:999px;font-size:.8rem;font-weight:600;color:#fff}