/* ====== Base / Theme ====== */
:root{
  --primary:#00B4D8;
  --primary-dark:#0077B6;
  --accent:#7209B7;
  --secondary:#FF9E00;
  --dark:#0A1B2B;
  --text:#1f2a37;
  --muted:#546A8C;
  --bg:#ffffff;
  --bg-alt:#F6F9FE;
  --card:#ffffff;
  --border:rgba(0,0,0,.08);
  --shadow:0 8px 24px rgba(0,0,0,.06);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  margin:0;
  overflow-x:hidden;
}

h1,h2,h3{font-family:Montserrat,Inter,system-ui,sans-serif;margin:0 0 .75rem}
h1{font-weight:700;letter-spacing:-.01em}
h2{font-weight:700}
h3{font-weight:600}
p{margin:0 0 1rem}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}

img{max-width:100%;height:auto;display:block;border-radius:12px}
figure{margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 1.25rem}

/* Accessibility */
.sr-only{position:absolute;left:-9999px}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ====== Header ====== */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-container{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.logo img{width:auto;height:45px}

.nav-menu{display:flex;gap:1.25rem;list-style:none;margin:0;padding:0;align-items:center}
.nav-menu a{
  color:var(--text);font-weight:500;padding:.5rem .6rem;border-radius:8px;position:relative
}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--primary);transition:width .25s ease
}
.nav-menu a:hover::after{width:100%}
.nav-button{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff!important;border-radius:999px}
.nav-button:hover{opacity:.95}

.mobile-toggle{display:none;background:none;border:0;width:44px;height:44px;position:relative}
.mobile-toggle span{position:absolute;left:7px;right:7px;height:3px;background:var(--text);border-radius:2px;transition:.2s}
.mobile-toggle span:nth-child(1){top:12px}
.mobile-toggle span:nth-child(2){top:20px}
.mobile-toggle span:nth-child(3){top:28px}

/* ====== Hero ====== */
.hero{background:linear-gradient(180deg,var(--bg-alt),#fff);padding:7.5rem 0 4rem;border-bottom:1px solid var(--border)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
.hero h1{font-size:clamp(1.9rem,3.5vw,3rem);background:linear-gradient(90deg,var(--primary-dark),var(--primary),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-tagline{font-size:1.15rem;color:var(--muted);max-width:46ch}
.highlight{color:var(--primary);font-weight:600}
.hero-buttons{display:flex;gap:1rem;margin-top:1.5rem}

.btn{
  display:inline-block;font-weight:600;padding:.9rem 1.2rem;border-radius:999px;transition:.15s;
  border:2px solid transparent
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(0,180,216,.06);transform:translateY(-2px)}

.hero-media{justify-self:end}

/* ====== Sections / Cards ====== */
.section{padding:4.5rem 0}
.section.alt{background:var(--bg-alt)}
.section-header{text-align:center;margin:0 0 2.5rem}
.section-title{font-size:clamp(1.6rem,2.5vw,2.2rem)}
.section-subtitle{color:var(--muted);max-width:60ch;margin:0 auto}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.features.trio{grid-template-columns:repeat(3,1fr)}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.5rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.8rem
}
.feature-title{font-size:1.22rem}
.feature-text{color:var(--muted)}
.feature-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:#eef7ff;margin-bottom:.25rem}

.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:center}
.mission-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.6rem}
.mission-list li{display:flex;gap:.6rem;align-items:flex-start}
.mission-list span{display:inline-flex;width:1.4rem;justify-content:center}

.slp-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:start}
.responsive-dashboard{border-radius:12px;box-shadow:var(--shadow)}
.chart-wrap{margin:.9rem 0;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:.6rem}
.pulse-metric{
  display:inline-block;background:rgba(0,180,216,.06);border:1px solid rgba(0,180,216,.2);
  padding:.5rem .8rem;border-radius:10px;font-weight:600
}

/* Testimonials */
.testimonial-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.testimonial-card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:1.25rem}
.testimonial-card footer{color:var(--muted);margin-top:.8rem}
.testimonials .section-subtitle{margin-bottom:1rem}

/* Iframe / Video */
.iframe-container{position:relative;max-width:900px;margin:0 auto;border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--shadow);border:1px solid var(--border)}
#appIframe{width:100%;height:600px;border:0;display:block}
.fullscreen-btn{
  position:absolute;top:16px;right:16px;background:var(--primary);color:#fff;border:0;border-radius:8px;
  padding:.5rem .75rem;cursor:pointer;font-weight:600
}
.note{color:var(--muted);text-align:center;margin-top:1rem}

.video-container{position:relative;padding-bottom:56.25%;height:0;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.video-container > *{position:absolute;inset:0;width:100%;height:100%}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:12px;background:#fff;margin-bottom:.9rem;box-shadow:var(--shadow)}
.faq-question{
  width:100%;text-align:left;border:0;background:transparent;padding:1rem 1.1rem;font-weight:700;font-size:1.05rem;cursor:pointer
}
.faq-answer{padding:0 1.1rem 1rem;color:var(--muted)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:start}
.contact-info-list{list-style:none;padding:0;margin:1rem 0 2rem;display:grid;gap:1rem}
.contact-icon{width:48px;height:48px;border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center;border:1px solid var(--border)}
.contact-form{
  background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:1.25rem
}
.form-group{margin-bottom:1rem}
.form-label{display:block;font-weight:700;margin-bottom:.4rem}
.form-control{
  width:100%;padding:.85rem 1rem;border:1.5px solid var(--border);border-radius:10px;background:#fff;font:inherit
}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,180,216,.15)}

/* CTA */
.cta{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;text-align:center}
.cta .btn-outline{border-color:#fff;color:#fff}
.cta .btn-outline:hover{background:rgba(255,255,255,.12)}

/* Footer */
.site-footer{background:#0b1a2a;color:#e5f2ff;padding:2.5rem 0 2rem;margin-top:1rem}
.footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:start}
.footer-heading{margin:0 0 .75rem}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:.4rem}
.footer-links a{color:#e5f2ff;opacity:.85}
.footer-links a:hover{opacity:1}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:1.5rem;padding-top:1rem;text-align:center;opacity:.85}

.social-links{display:flex;gap:.6rem}
.social-links a{
  width:36px;height:36px;border-radius:999px;background:#fff;color:var(--primary);display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border)
}

/* Back to top */
.back-to-top{
  position:fixed;right:20px;bottom:24px;width:48px;height:48px;border-radius:999px;border:0;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.2s
}
.back-to-top.show{opacity:1;visibility:visible}

/* ====== Responsive ====== */
@media (max-width: 1024px){
  .hero-inner,.about-grid,.slp-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .hero-media{justify-self:center}
  .features{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 720px){
  .mobile-toggle{display:inline-block}
  .nav-menu{
    position:fixed;inset:70px 0 auto 0;background:#fff;box-shadow:0 12px 24px rgba(0,0,0,.08);border-top:1px solid var(--border);
    flex-direction:column;gap:.8rem;padding:1rem 1.25rem;transform:translateY(-120%);transition:.25s
  }
  .nav-menu.active{transform:translateY(0)}
  .features,.features.trio{grid-template-columns:1fr}
  #appIframe{height:500px}
}
@media (max-width:480px){
  .btn{width:100%}
  #appIframe{height:420px}
}

.chart-wrap canvas{display:block;width:100% !important;height:260px !important}