/* ===== SINDAIN — Design tokens ===== */
:root{
  --teal:#1E9E96;
  --teal-dark:#167A74;
  --teal-light:#E7F5F3;
  --blue:#3D5A96;
  --blue-dark:#2C4370;
  --navy:#16213A;
  --text-secondary:#5B6B7C;
  --bg:#F7F9FC;
  --white:#FFFFFF;
  --border:#E1E7ED;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:24px;
  --shadow:0 4px 24px rgba(22,33,58,0.06);
  --shadow-md:0 12px 40px rgba(22,33,58,0.10);
  --maxw:1160px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',sans-serif;
  color:var(--navy);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}

h1,h2,h3,h4{
  font-family:'Sora',sans-serif;
  color:var(--navy);
  line-height:1.2;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.1rem,4vw,3.4rem);font-weight:700;}
h2{font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:600;}
h3{font-size:1.2rem;font-weight:600;}
p{color:var(--text-secondary);}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-block;
  font-size:0.78rem;
  font-weight:600;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--teal-dark);
  background:var(--teal-light);
  padding:6px 14px;
  border-radius:100px;
  margin-bottom:16px;
}
.section{padding:88px 0;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head p{margin-top:14px;font-size:1.05rem;}
.section-alt{background:var(--white);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'Inter',sans-serif;
  font-weight:600;
  font-size:0.95rem;
  padding:13px 26px;
  border-radius:var(--radius-sm);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--teal);color:var(--white);}
.btn-primary:hover{background:var(--teal-dark);box-shadow:0 8px 20px rgba(30,158,150,0.28);}
.btn-outline{background:transparent;border-color:var(--navy);color:var(--navy);}
.btn-outline:hover{background:var(--navy);color:var(--white);}
.btn-light{background:var(--white);color:var(--navy);}

/* ===== Header ===== */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,249,252,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:var(--maxw);margin:0 auto;
}
.logo-link{display:flex;align-items:center;}
.logo-link img{height:46px;width:auto;}
nav ul{display:flex;gap:36px;align-items:center;}
nav a{
  font-size:0.95rem;font-weight:500;color:var(--navy);
  position:relative;padding:4px 0;
}
nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--teal);transition:width .2s ease;
}
nav a:hover::after,nav a.active::after{width:100%;}
nav a.active{color:var(--teal-dark);}
.nav-cta{display:flex;align-items:center;gap:20px;}
.burger{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.burger span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;}

@media(max-width:860px){
  nav ul{
    position:fixed;top:66px;left:0;right:0;background:var(--white);
    flex-direction:column;gap:0;border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  nav ul.open{max-height:400px;}
  nav ul li{width:100%;border-top:1px solid var(--border);}
  nav ul li a{display:block;padding:16px 24px;}
  .nav-cta .btn-primary{display:none;}
  .burger{display:block;}
}

/* ===== Hero ===== */
.hero{
  padding:80px 0 100px;
  overflow:hidden;
  background-image:linear-gradient(rgba(247,249,252,0.88),rgba(247,249,252,0.88)),url('../assets/images/hero-bg.jpg');
  background-size:cover;
  background-position:center;
}
.hero-grid{
  display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;
}
.hero h1{margin-bottom:20px;}
.hero p.lead{font-size:1.12rem;max-width:480px;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:36px;margin-top:52px;}
.hero-stats div p:first-child{font-family:'Sora',sans-serif;font-size:1.7rem;font-weight:700;color:var(--navy);}
.hero-stats div p:last-child{font-size:0.85rem;color:var(--text-secondary);margin-top:2px;}

.network-wrap{position:relative;}
.network-wrap svg{width:100%;height:auto;}
.node{fill:var(--teal);}
.node-hub{fill:var(--blue);}
.link-line{stroke:var(--border);stroke-width:1.5;}
.pulse{
  animation:pulse 2.6s ease-in-out infinite;
  transform-origin:center;
}
@keyframes pulse{
  0%,100%{opacity:0.55;r:4;}
  50%{opacity:1;r:6;}
}
.dash-line{
  stroke-dasharray:6 6;
  animation:dash 30s linear infinite;
}
@keyframes dash{to{stroke-dashoffset:-300;}}

@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-stats{flex-wrap:wrap;row-gap:20px;}
}

/* ===== Cards ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:32px 28px;
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.card .icon-wrap{
  width:48px;height:48px;border-radius:12px;
  background:var(--teal-light);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;color:var(--teal-dark);
}
.card h3{margin-bottom:10px;}
.card p{font-size:0.95rem;}

/* ===== Team ===== */
.team-card{text-align:center;}
.team-avatar{
  width:88px;height:88px;border-radius:50%;
  background:linear-gradient(135deg,var(--teal),var(--blue));
  display:flex;align-items:center;justify-content:center;
  color:var(--white);font-family:'Sora',sans-serif;font-weight:600;font-size:1.3rem;
  margin:0 auto 16px;
}
.team-card h3{font-size:1.05rem;margin-bottom:4px;}
.team-card p{font-size:0.88rem;color:var(--teal-dark);font-weight:600;}

/* ===== Values ===== */
.value-row{display:flex;gap:20px;padding:24px 0;border-top:1px solid var(--border);}
.value-row:last-child{border-bottom:1px solid var(--border);}
.value-num{font-family:'Sora',sans-serif;font-weight:700;color:var(--teal);font-size:1.1rem;min-width:40px;}

/* ===== Split section (image/text) ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
@media(max-width:860px){.split{grid-template-columns:1fr;}}
.map-card{
  background:var(--navy);border-radius:var(--radius-lg);
  padding:40px;color:var(--white);position:relative;overflow:hidden;
}
.map-card h3{color:var(--white);}
.map-card p{color:rgba(255,255,255,0.65);}
.base-row{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-top:1px solid rgba(255,255,255,0.12);}
.base-row:first-of-type{border-top:none;}
.base-dot{width:10px;height:10px;border-radius:50%;background:var(--teal);margin-top:6px;flex-shrink:0;}

/* ===== Portfolio placeholder cards ===== */
.portfolio-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;
}
.portfolio-thumb{
  height:180px;
  background:linear-gradient(135deg,var(--teal-light),var(--white));
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--border);
}
.portfolio-thumb span{
  font-family:'Sora',sans-serif;font-weight:600;color:var(--teal-dark);
  font-size:0.85rem;letter-spacing:0.04em;text-transform:uppercase;
}
.portfolio-body{padding:26px 24px;}
.tag{
  display:inline-block;font-size:0.75rem;font-weight:600;color:var(--blue-dark);
  background:rgba(61,90,150,0.08);padding:4px 10px;border-radius:100px;margin-bottom:12px;
}

/* ===== CTA band ===== */
.cta-band{
  background:var(--navy);border-radius:var(--radius-lg);
  padding:56px 48px;display:flex;justify-content:space-between;align-items:center;gap:24px;
  color:var(--white);
}
.cta-band h2{color:var(--white);margin-bottom:6px;}
.cta-band p{color:rgba(255,255,255,0.65);}
@media(max-width:760px){.cta-band{flex-direction:column;text-align:center;}}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-info-row{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--border);}
.contact-info-row:first-child{border-top:none;}
.contact-info-icon{
  width:40px;height:40px;border-radius:10px;background:var(--teal-light);
  display:flex;align-items:center;justify-content:center;color:var(--teal-dark);flex-shrink:0;
}

form{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:520px){.form-row{grid-template-columns:1fr;}}
.field{margin-bottom:20px;}
.field label{display:block;font-size:0.85rem;font-weight:600;margin-bottom:8px;}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-family:'Inter',sans-serif;font-size:0.95rem;color:var(--navy);background:var(--bg);
  transition:border-color .15s ease;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--teal);background:var(--white);
}
.field textarea{resize:vertical;min-height:130px;}
.form-note{font-size:0.82rem;color:var(--text-secondary);margin-top:14px;}
.form-status-msg{margin-top:14px;font-size:0.9rem;font-weight:500;display:none;}
.form-status-msg.success{color:var(--teal-dark);display:block;}
.form-status-msg.error{color:#B3453D;display:block;}

/* ===== Scroll reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in-view{opacity:1;transform:translateY(0);}
@media(prefers-reduced-motion:reduce){
  .reveal,.reveal.in-view{opacity:1;transform:none;transition:none;}
  .pulse,.dash-line{animation:none;}
}

/* ===== Language switcher ===== */
.lang-switch{display:flex;align-items:center;gap:4px;font-size:0.82rem;font-weight:600;color:var(--text-secondary);}
.lang-switch a{padding:4px 6px;border-radius:6px;}
.lang-switch a.active{color:var(--teal-dark);}
.lang-switch a:hover{background:var(--teal-light);color:var(--teal-dark);}
.lang-switch span{color:var(--border);}

/* ===== Team carousel ===== */
.carousel-outer{
  position:relative;
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent);
}
.carousel-track{
  display:flex;
  gap:28px;
  width:max-content;
  animation:scrollTrack 55s linear infinite;
}
.carousel-outer:hover .carousel-track{animation-play-state:paused;}
@keyframes scrollTrack{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
.team-slide{
  width:340px;flex-shrink:0;
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:36px 32px;text-align:center;
  display:flex;flex-direction:column;align-items:center;
}
.team-photo-wrap{
  position:relative;width:104px;height:104px;border-radius:50%;overflow:hidden;
  margin:0 0 20px;flex-shrink:0;
}
.team-photo-wrap .team-avatar{
  position:absolute;inset:0;width:100%;height:100%;border-radius:0;margin:0;
}
.team-photo-wrap img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.team-slide h3{font-size:1.1rem;margin-bottom:4px;}
.team-slide .team-role{font-size:0.85rem;color:var(--teal-dark);font-weight:600;margin-bottom:18px;}
.team-slide .team-quote{
  font-family:var(--font-voice,'Sora',sans-serif);
  font-style:italic;font-size:0.94rem;color:var(--text-secondary);
  line-height:1.6;border-top:1px solid var(--border);padding-top:18px;
}

/* ===== Portfolio carousel ===== */
.portfolio-slide{
  width:360px;flex-shrink:0;
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;
}
.portfolio-thumb-lg{
  position:relative;height:210px;
  background:linear-gradient(135deg,var(--teal-light),var(--white));
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--border);
}
.portfolio-thumb-lg span{
  font-family:'Sora',sans-serif;font-weight:600;color:var(--teal-dark);
  font-size:0.85rem;letter-spacing:0.04em;text-transform:uppercase;
}
.portfolio-thumb-lg img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.portfolio-slide .portfolio-body{padding:28px 26px;}
@media(prefers-reduced-motion:reduce){
  .carousel-track{animation:none;}
}
@media(max-width:600px){
  .team-slide{width:280px;padding:28px 24px;}
  .portfolio-slide{width:290px;}
}

/* ===== Blog ===== */
.blog-meta{font-size:0.82rem;color:var(--text-secondary);margin-bottom:10px;display:flex;gap:10px;align-items:center;}
.blog-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-secondary);}
.article-body{max-width:720px;margin:0 auto;font-size:1.05rem;line-height:1.85;}
.article-body p{margin-bottom:22px;color:var(--text-secondary);}
.article-body h2{margin:44px 0 16px;}
.article-body ul{margin:0 0 22px 20px;color:var(--text-secondary);}
.article-body ul li{list-style:disc;margin-bottom:8px;}
.article-hero{max-width:720px;margin:0 auto;}

.newsletter-box{
  background:var(--navy);border-radius:var(--radius-lg);
  padding:48px;color:var(--white);
  display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;
}
.newsletter-box h2{color:var(--white);margin-bottom:6px;}
.newsletter-box p{color:rgba(255,255,255,0.65);}
.newsletter-form{display:flex;gap:10px;flex-wrap:wrap;flex:1;min-width:280px;max-width:420px;}
.newsletter-form input{
  flex:1;min-width:180px;padding:12px 14px;border-radius:var(--radius-sm);border:none;
  font-family:'Inter',sans-serif;font-size:0.92rem;
}
.newsletter-form button{white-space:nowrap;}
#newsletter-status{margin-top:10px;font-size:0.85rem;color:rgba(255,255,255,0.8);display:none;width:100%;}

/* ===== Footer ===== */
footer{background:var(--navy);color:rgba(255,255,255,0.6);padding:56px 0 28px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h4{color:var(--white);font-size:0.85rem;margin-bottom:16px;letter-spacing:0.03em;}
.footer-grid ul li{margin-bottom:10px;font-size:0.9rem;}
.footer-grid ul li a:hover{color:var(--white);}
.footer-logo img{height:36px;margin-bottom:14px;filter:brightness(0) invert(1);}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,0.08);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,0.75);
  transition:background .15s ease,color .15s ease;
}
.social-row a:hover{background:var(--teal);color:var(--white);}
.social-row svg{width:17px;height:17px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:0.82rem;
}

/* ===== Page header (interior pages) ===== */
.page-header{padding:64px 0 48px;}
.page-header .eyebrow{margin-bottom:14px;}
.page-header p.lead{font-size:1.05rem;max-width:600px;margin-top:16px;}

/* ===== Utility ===== */
.text-center{text-align:center;margin-left:auto;margin-right:auto;}
.mt-40{margin-top:40px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}