/* ==========================================================
   Nihao Connect — Design Tokens
   ========================================================== */
:root{
  --red-deep:   #7A1710;
  --red:        #A31F13;
  --red-bright: #D6301C;
  --ink:        #1C1917;
  --paper:      #FFFFFF;
  --fog:        #F6F3F1;
  --fog-dark:   #EDE7E3;
  --line:       rgba(28,25,23,0.12);
  --line-dark:  rgba(255,255,255,0.18);
  --muted:      #6B6560;
  --maxw: 1200px;
  --radius: 3px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Public Sans',Arial,sans-serif;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  line-height:1.5;
}
h1,h2,h3,h4{
  font-family:'Manrope',Arial,sans-serif;
  font-weight:700;
  margin:0;
  letter-spacing:-0.01em;
  color:var(--ink);
}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button, input, select, textarea{font-family:inherit;}
ul{margin:0;padding:0;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px;}

::selection{background:var(--red-bright);color:#fff;}

.eyebrow{
  font-size:12px;letter-spacing:0.16em;text-transform:uppercase;
  color:var(--red);font-weight:700;
}
.eyebrow.on-dark{color:rgba(255,255,255,0.85);}
.eyebrow-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--red);margin-right:8px;vertical-align:middle;}
.eyebrow.on-dark .eyebrow-dot{background:#fff;}

.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.8s ease, transform 0.8s ease;}
.reveal.in-view{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:var(--radius);
  font-size:14px;letter-spacing:0.02em;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform 0.3s ease, background 0.3s ease, color 0.3s ease, border-color .3s ease;
  font-family:'Public Sans',Arial,sans-serif;
}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-bright);transform:translateY(-2px);}
.btn-outline-dark{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline-dark:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-outline-light{border-color:rgba(255,255,255,0.55);color:#fff;background:transparent;}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,0.1);transform:translateY(-2px);}
.btn-block{width:100%;justify-content:center;}
.btn-sm{padding:11px 20px;font-size:12.5px;}

/* ============ HEADER ============ */
.top-bar{
  background:var(--ink);color:rgba(255,255,255,0.75);
  font-size:12.5px;padding:8px 0;
}
.top-bar .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px;}
.top-bar a{color:rgba(255,255,255,0.9);}
.top-bar a:hover{color:#fff;}
.top-bar-links{display:flex;gap:22px;}

header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 40px;max-width:var(--maxw);margin:0 auto;
}
.logo{display:flex;align-items:center;gap:12px;}
.logo img{height:34px;width:auto;}
.logo-text{font-family:'Manrope',sans-serif;font-weight:800;font-size:18px;letter-spacing:-0.01em;color:var(--ink);}
.logo-text span{color:var(--red);}

.nav-links{display:flex;list-style:none;align-items:center;}
.nav-links li + li{margin-left:0;}
.nav-links a{font-size:14px;font-weight:600;position:relative;padding-bottom:4px;margin-left:34px;}
.nav-links li:first-child a{margin-left:0;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--red);transition:width .3s ease;}
.nav-links a:hover::after{width:100%;}

.burger{display:none;background:none;border:none;flex-direction:column;gap:5px;padding:4px;}
.burger span{width:22px;height:2px;background:var(--ink);display:block;}
.mobile-menu{display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:8px 40px 24px;}
.mobile-menu.open{display:flex;}
.mobile-menu a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;}
.mobile-menu .btn{margin-top:14px;}

/* ============ HERO ============ */
.hero{
  position:relative;
  background:linear-gradient(155deg,var(--red-deep) 0%, var(--red) 55%, var(--red-bright) 120%);
  color:#fff;overflow:hidden;
}
.hero-inner{
  max-width:var(--maxw);margin:0 auto;padding:88px 40px 80px;
  display:grid;grid-template-columns:1.05fr 0.95fr;gap:40px;align-items:center;
  position:relative;z-index:2;
}
.hero h1{
  font-size:clamp(34px,4.4vw,54px);line-height:1.12;color:#fff;font-weight:800;margin-top:16px;
}
.hero h1 em{font-style:normal;color:rgba(255,255,255,0.75);}
.hero-sub{margin-top:22px;font-size:16.5px;line-height:1.7;color:rgba(255,255,255,0.85);max-width:460px;}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:40px;}
.trust-chip{
  font-size:12px;letter-spacing:0.03em;font-weight:600;color:rgba(255,255,255,0.9);
  border:1px solid rgba(255,255,255,0.3);border-radius:20px;padding:7px 14px;
  display:inline-flex;align-items:center;gap:7px;
}
.trust-chip svg{width:13px;height:13px;}

.hero-graphic{position:relative;height:460px;}
.hero-graphic svg{width:100%;height:100%;}
.route-dash{stroke-dasharray:2 10;}
@keyframes dashflow{ to { stroke-dashoffset:-120; } }
.route-anim{animation:dashflow 6s linear infinite;}

.hero-bottom-wave{display:block;width:100%;line-height:0;}
.hero-bottom-wave svg{width:100%;height:auto;display:block;}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;padding-top:56px;}
  .hero-graphic{height:320px;order:-1;}
}

/* ============ TRUST STRIP ============ */
.trust-strip{background:var(--fog);padding:36px 0;border-bottom:1px solid var(--line);}
.trust-strip .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;}
.trust-item{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:var(--ink);}
.trust-item svg{width:18px;height:18px;stroke:var(--red);flex-shrink:0;}

/* ============ SECTION HEAD ============ */
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(28px,3.6vw,40px);margin-top:14px;line-height:1.2;}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.65;margin-top:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ SERVICES ============ */
.services{padding:110px 0;}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.service-card{
  background:var(--fog);border:1px solid var(--line);border-radius:6px;
  padding:38px 32px;display:flex;flex-direction:column;
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.service-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px -20px rgba(28,25,23,0.18);border-color:var(--red);}
.service-icon{
  width:56px;height:56px;border-radius:50%;background:#fff;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;margin-bottom:26px;
}
.service-icon svg{width:26px;height:26px;stroke:var(--red);}
.service-card h3{font-size:20px;line-height:1.3;margin-bottom:14px;}
.service-card p{font-size:14.5px;line-height:1.7;color:var(--muted);flex:1;}
.service-card .btn{margin-top:26px;align-self:flex-start;}

@media (max-width:940px){.services-grid{grid-template-columns:1fr;}}

/* ============ HOW IT WORKS ============ */
.how{background:var(--ink);color:#fff;padding:110px 0;position:relative;overflow:hidden;}
.how .section-head h2{color:#fff;}
.how .section-head p{color:rgba(255,255,255,0.62);}
.how-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:20px;
}
.how-connector{
  position:absolute;top:34px;left:calc(12.5% ); right:calc(12.5%); height:1px;
  z-index:0;
}
.how-connector svg{width:100%;height:20px;display:block;overflow:visible;}
.how-step{position:relative;z-index:1;padding:0 18px;text-align:left;}
.how-step-num{
  width:68px;height:68px;border-radius:50%;background:var(--red);
  display:flex;align-items:center;justify-content:center;margin-bottom:26px;
  border:4px solid var(--ink);
}
.how-step-num svg{width:28px;height:28px;stroke:#fff;}
.how-step h3{font-size:17.5px;color:#fff;margin-bottom:10px;line-height:1.3;}
.how-step p{font-size:13.5px;line-height:1.65;color:rgba(255,255,255,0.6);}

@media (max-width:900px){
  .how-steps{grid-template-columns:1fr;gap:40px;}
  .how-connector{display:none;}
}

/* ============ ABOUT ============ */
.about{padding:110px 0;}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start;}
.about-body p{font-size:15.5px;line-height:1.8;color:var(--muted);margin-top:18px;}
.about-values{display:flex;flex-direction:column;gap:30px;}
.about-value{display:flex;gap:18px;}
.about-value-icon{
  width:46px;height:46px;border-radius:50%;background:var(--fog);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.about-value-icon svg{width:20px;height:20px;stroke:var(--red);}
.about-value h4{font-size:15.5px;margin-bottom:6px;}
.about-value p{font-size:13.5px;line-height:1.65;color:var(--muted);}

@media (max-width:900px){.about-grid{grid-template-columns:1fr;gap:48px;}}

/* ============ REQUEST FORM ============ */
.request{background:var(--fog);padding:110px 0;}
.request-shell{
  background:#fff;border-radius:8px;border:1px solid var(--line);
  padding:52px;box-shadow:0 30px 70px -40px rgba(28,25,23,0.25);
}
.request-top{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-bottom:44px;}
.request-top p{font-size:15px;line-height:1.7;color:var(--muted);margin-top:14px;}
.request-note{
  display:flex;gap:12px;background:var(--fog);border-radius:6px;padding:16px 18px;margin-top:20px;
}
.request-note svg{width:18px;height:18px;stroke:var(--red);flex-shrink:0;margin-top:2px;}
.request-note p{font-size:13px;color:var(--muted);margin:0;}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:700;color:var(--ink);}
.field label .opt{font-weight:400;color:var(--muted);text-transform:none;letter-spacing:0;}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea{
  border:1.5px solid var(--line);border-radius:var(--radius);padding:13px 14px;
  font-size:14.5px;color:var(--ink);background:#fff;
  transition:border-color .25s ease, box-shadow .25s ease;
  font-family:'Public Sans',Arial,sans-serif;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(163,31,19,0.12);
}
.field textarea{resize:vertical;min-height:120px;}
.radio-row{display:flex;gap:18px;flex-wrap:wrap;padding-top:4px;}
.radio-opt{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink);}
.radio-opt input{accent-color:var(--red);width:16px;height:16px;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-top:8px;}
.checkbox-row input{accent-color:var(--red);width:16px;height:16px;margin-top:2px;flex-shrink:0;}
.checkbox-row label{font-size:13px;color:var(--muted);line-height:1.6;}
.honeypot{position:absolute;left:-9999px;opacity:0;height:0;width:0;overflow:hidden;}

.form-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:36px;flex-wrap:wrap;}
.form-status{font-size:13.5px;font-weight:600;}
.form-status.success{color:#1a7f37;}
.form-status.error{color:var(--red-bright);}
.form-required-note{font-size:12.5px;color:var(--muted);}

@media (max-width:820px){
  .request-shell{padding:32px 22px;}
  .request-top{grid-template-columns:1fr;gap:20px;}
  .form-grid{grid-template-columns:1fr;}
}

/* ============ FOOTER ============ */
footer{background:var(--ink);color:rgba(255,255,255,0.7);padding:70px 0 30px;}
.footer-grid{
  display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:40px;
  padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,0.12);
}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo img{height:30px;}
.footer-logo-text{font-family:'Manrope',sans-serif;font-weight:800;font-size:17px;color:#fff;}
.footer-logo-text span{color:var(--red-bright);}
.footer-tag{font-size:13.5px;line-height:1.7;max-width:250px;color:rgba(255,255,255,0.5);}
.footer-col h4{color:#fff;font-size:12px;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:18px;font-weight:700;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:13.5px;transition:color .25s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;padding-top:26px;
  font-size:12px;color:rgba(255,255,255,0.4);flex-wrap:wrap;gap:14px;
}
.footer-social{display:flex;gap:14px;}
.footer-social a{width:32px;height:32px;border:1px solid rgba(255,255,255,0.2);border-radius:50%;display:flex;align-items:center;justify-content:center;}
.footer-social svg{width:14px;height:14px;stroke:rgba(255,255,255,0.8);}

@media (max-width:820px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}

/* ============ RESPONSIVE NAV ============ */
@media (max-width:920px){
  .nav-links{display:none;}
  .burger{display:flex;}
}
@media (max-width:640px){
  .wrap,.nav,.hero-inner{padding-left:22px;padding-right:22px;}
  .services{padding:70px 0;}
  .how{padding:70px 0;}
  .about{padding:70px 0;}
  .request{padding:70px 0;}
}

/* Skip link / focus visibility */
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--red);color:#fff;padding:12px 18px;z-index:100;
}
.skip-link:focus{left:16px;top:16px;}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid var(--red-bright);outline-offset:2px;
}