/* ═══════════════════════════════════════════════════════
   Cirel AI — Design System
   Light glass theme matching the Cirel dashboard app
   ═══════════════════════════════════════════════════════ */

/* ─── Fonts ─── */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;1,400&display=swap');
@font-face{font-family:'Geist';src:url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-sans/Geist-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Geist';src:url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-sans/Geist-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Geist';src:url('https://cdn.jsdelivr.net/npm/geist@1.3.0/dist/fonts/geist-sans/Geist-SemiBold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}

/* ─── Reset ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
::selection{background:rgba(27,77,63,0.15);color:#1B4D3F}
::-moz-selection{background:rgba(27,77,63,0.15);color:#1B4D3F}

/* ─── Tokens ─── */
:root{
  --bg:#f7f7f4;
  --bg-warm:#f3f1ee;
  --surface:rgba(255,255,255,0.65);
  --surface-solid:#fff;
  --border:rgba(255,255,255,0.65);
  --border-subtle:rgba(0,0,0,0.06);

  --green:#1B4D3F;
  --green-light:#3D6B60;
  --green-bg:rgba(27,77,63,0.06);
  --green-border:rgba(27,77,63,0.12);

  --text:#292929;
  --text-secondary:#555;
  --text-muted:#8a8a8a;
  --text-faint:#bbb;

  --font-serif:'Lora',Georgia,serif;
  --font-sans:'Geist','Inter',system-ui,-apple-system,sans-serif;

  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;
  --radius-xl:24px;
  --radius-pill:50px;

  --shadow-card:0 8px 20px rgba(0,0,0,0.04);
  --shadow-glass:0px 8px 20px rgba(0,0,0,0.06),
    rgba(221,221,221,0.2) 5px 5px 10px -2px inset,
    rgba(255,255,255,0.51) -5px -5px 8px 2px inset;
  --shadow-sm:0 2px 8px rgba(0,0,0,0.04);

  --ease:cubic-bezier(.4,0,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);

  --max-w:1200px;
  --section-py:100px;
}

body{
  font-family:var(--font-sans);
  font-weight:400;
  font-size:15px;
  line-height:1.6;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}

/* ─── Typography ─── */
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:400;color:var(--text);letter-spacing:-.02em;line-height:1.2}
h1{font-size:clamp(36px,5vw,56px)}
h2{font-size:clamp(28px,3.5vw,42px)}
h3{font-size:clamp(20px,2.5vw,24px)}
h4{font-size:18px}

p{color:var(--text-secondary);line-height:1.65}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--green-light)}

/* ─── Layout ─── */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:var(--section-py) 0}
.section-label{
  font-family:var(--font-sans);font-size:12px!important;font-weight:500!important;
  text-transform:uppercase;letter-spacing:.08em;
  color:var(--green);margin-bottom:12px;
  line-height:1.4!important;
}
.section-title{margin-bottom:16px}
.section-sub{font-size:15px;color:var(--text-muted);max-width:560px;margin-bottom:48px}
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}

/* ─── Glass Card (matching app liquid glass) ─── */
.glass{
  position:relative;
  isolation:isolate;
  background:linear-gradient(135deg,rgba(247,247,247,0.15) 0%,rgba(255,255,255,0.65) 100%);
  border:none;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-glass);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.glass::before{
  content:'';position:absolute;inset:0;z-index:1;
  border-radius:inherit;
  border:1px solid rgba(255,255,255,0.65);
  pointer-events:none;
}
.glass>*{position:relative;z-index:2}
.glass-sm{
  position:relative;
  isolation:isolate;
  background:linear-gradient(135deg,rgba(247,247,247,1) 0%,rgba(255,255,255,0.85) 100%);
  border:none;
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
}
.glass-sm::before{
  content:'';position:absolute;inset:0;z-index:1;
  border-radius:inherit;
  border:1px solid rgba(255,255,255,0.65);
  pointer-events:none;
}
.glass-sm>*{position:relative;z-index:2}

/* ─── Buttons ─── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:8px 18px;border:none;border-radius:var(--radius-pill);
  font-family:var(--font-sans);font-size:14px;font-weight:400;
  cursor:pointer;transition:all .25s var(--ease);text-decoration:none;
}
.btn-primary{
  background:var(--green);color:#fff;
}
.btn-primary:hover{background:var(--green-light);color:#fff;box-shadow:0 4px 20px rgba(27,77,63,0.2)}
.btn-secondary{
  background:linear-gradient(135deg,rgba(247,247,247,0.15) 0%,rgba(255,255,255,0.65) 100%);
  color:var(--text);
  border:1px solid rgb(255,255,255);
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.btn-secondary:hover{background:rgba(255,255,255,0.75);box-shadow:0 4px 12px rgba(0,0,0,0.06)}
.btn-ghost{
  background:transparent;color:var(--green);padding:12px 16px;
}
.btn-ghost:hover{background:var(--green-bg)}
.btn-sm{padding:8px 20px;font-size:13px}

/* ─── Inputs ─── */
.input,.select{
  width:100%;padding:12px 16px;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  background:var(--surface);
  box-shadow:rgba(221,221,221,0.2) 5px 5px 10px -2px inset,rgba(255,255,255,0.51) -5px -5px 8px 2px inset;
  font-size:14px;font-family:var(--font-sans);font-weight:400;
  color:var(--text);outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.input:focus,.select:focus{
  border-color:rgba(27,77,63,0.4);
  box-shadow:rgba(221,221,221,0.2) 5px 5px 10px -2px inset,rgba(255,255,255,0.51) -5px -5px 8px 2px inset,0 0 0 3px rgba(27,77,63,0.08);
}
.input::placeholder{color:var(--text-faint)}
.label{font-size:13px;font-weight:400;color:var(--text-secondary);margin-bottom:6px;display:block}

/* ─── Nav ─── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 0;
  background:transparent;
  backdrop-filter:none;-webkit-backdrop-filter:none;
  border-bottom:1px solid transparent;
  transition:all .3s var(--ease);
}
.nav.scrolled{
  background:rgba(247,247,244,0.15);
  backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);
  border-bottom:1px solid rgba(0,0,0,0.04);
}
.nav-inner{
  max-width:var(--max-w);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
}
.nav-left{display:flex;align-items:center;gap:8px}
.nav-right{display:flex;align-items:center;gap:8px;justify-content:flex-end}
.nav-logo{
  text-decoration:none;display:flex;align-items:center;justify-content:center;
}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-link{
  font-size:14px;font-weight:400;color:var(--text-secondary);
  padding:8px 16px;border-radius:var(--radius-sm);
  transition:all .2s var(--ease);text-decoration:none;
}
.nav-link:hover{color:var(--text);background:rgba(0,0,0,0.03)}
.nav-cta{
  font-size:13px;font-weight:600;color:#fff;
  background:var(--green);padding:8px 20px;
  border-radius:var(--radius-pill);text-decoration:none;
  transition:all .25s var(--ease);
}
.nav-cta:hover{background:var(--green-light);color:#fff}
.nav-mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-mobile-toggle svg{width:24px;height:24px;stroke:var(--text);fill:none;stroke-width:2}

/* ─── Hero ─── */
.hero{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  text-align:center;position:relative;overflow:hidden;padding:100px 0 0;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  opacity:.7;
}
.hero-bg video{width:100%;height:100%;object-fit:cover}
.hero-bg canvas{height:100vh!important;width:100%!important}
.hero-content{position:relative;z-index:1;max-width:720px;margin:0 auto;flex:1;display:flex;flex-direction:column;justify-content:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,0.45);border:1px solid rgba(255,255,255,0.65);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  font-size:12px;font-weight:500;color:var(--green);
  margin-bottom:24px;
  width:fit-content;margin-left:auto;margin-right:auto;
}
.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 2s ease infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}
.hero h1{margin-bottom:20px}
.hero p{font-size:17px;color:var(--text-muted);max-width:540px;margin:0 auto 32px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-proof{
  margin-top:48px;display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:13px;color:var(--text-muted);flex-wrap:wrap;
}
.hero-proof strong{color:var(--text);font-weight:500}

/* ─── Grid ─── */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ─── Feature Cards ─── */
.card{padding:32px;transition:transform .3s var(--ease)}
.card:hover{transform:translateY(-2px)}
.card-icon{
  width:48px;height:48px;border-radius:var(--radius-md);
  background:var(--green-bg);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.card-icon svg{width:22px;height:22px;stroke:var(--green);fill:none;stroke-width:1.5}
.card h3{margin-bottom:10px}
.card p{font-size:14px;color:var(--text-muted);line-height:1.6}

/* ─── Process Steps ─── */
.process-step{
  position:relative;padding:32px;
}
.process-num{
  font-family:var(--font-serif);font-size:14px;font-weight:400;
  color:var(--green);margin-bottom:12px;
}
.process-step h3{margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-muted)}

/* ─── Stats / Metrics ─── */
.stat{text-align:center;padding:24px}
.stat-value{
  font-family:var(--font-serif);font-size:clamp(32px,4vw,48px);
  font-weight:400;color:var(--green);letter-spacing:-.02em;
  margin-bottom:4px;
}
.stat-label{font-size:13px;color:var(--text-muted)}

/* ─── Comparison Table ─── */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{padding:36px}
.compare-col-title{
  font-family:var(--font-sans);font-size:13px;font-weight:600;
  text-transform:uppercase;letter-spacing:.06em;
  margin-bottom:28px;color:var(--text-muted);
}
.compare-row{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 0;border-bottom:1px solid rgba(0,0,0,0.04);
}
.compare-row:last-child{border-bottom:none}
.compare-val{font-family:var(--font-serif);font-size:20px;font-weight:400;color:var(--text)}
.compare-label{font-size:13px;color:var(--text-muted);margin-top:2px}
.compare-col.highlight .compare-val{color:var(--green)}

/* ─── Testimonial ─── */
.testimonial{padding:48px;position:relative}
.testimonial-quote{
  font-family:var(--font-serif);font-size:30px;
  font-weight:400;font-style:normal;line-height:1.4;
  color:var(--text);margin-bottom:24px;
}
.testimonial-author{display:flex;align-items:center;gap:16px}
.testimonial-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover}
.testimonial-info{}
.testimonial-name{font-size:14px;font-weight:500;color:var(--text)}
.testimonial-role{font-size:13px;color:var(--text-muted)}

/* ─── Pricing ─── */
.pricing-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pricing-card{padding:40px}
.pricing-card .pricing-label{
  font-size:12px;font-weight:600;text-transform:uppercase;
  letter-spacing:.08em;color:var(--green);margin-bottom:16px;
}
.pricing-card .pricing-price{
  font-family:var(--font-serif);font-size:36px;font-weight:400;
  color:var(--text);margin-bottom:4px;
}
.pricing-card .pricing-period{font-size:13px;color:var(--text-muted);margin-bottom:20px}
.pricing-card .pricing-desc{font-size:14px;color:var(--text-muted);margin-bottom:28px;line-height:1.6}
.pricing-features{list-style:none;margin-bottom:32px}
.pricing-features li{
  font-size:14px;color:var(--text-secondary);
  padding:10px 0;border-bottom:1px solid rgba(0,0,0,0.04);
  display:flex;align-items:center;gap:10px;
}
.pricing-features li::before{
  content:'';width:18px;height:18px;border-radius:50%;flex-shrink:0;
  background:var(--green-bg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='8' viewBox='0 0 10 8'%3E%3Cpath d='M1 4L3.5 6.5L9 1' stroke='%231B4D3F' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
}

/* ─── FAQ ─── */
.faq-item{border-bottom:1px solid rgba(0,0,0,0.06);overflow:hidden}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;cursor:pointer;
  font-family:var(--font-sans);font-size:15px;font-weight:500;
  color:var(--text);transition:color .2s;
  background:none;border:none;width:100%;text-align:left;
}
.faq-q:hover{color:var(--green)}
.faq-q svg{width:18px;height:18px;stroke:var(--text-muted);fill:none;stroke-width:2;transition:transform .3s var(--ease);flex-shrink:0}
.faq-item.open .faq-q svg{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s var(--ease),padding .4s var(--ease);
}
.faq-item.open .faq-a{max-height:300px;padding-bottom:20px}
.faq-a p{font-size:14px;color:var(--text-muted);line-height:1.7}

/* ─── Compliance Ticker ─── */
.ticker{overflow:hidden;padding:20px 0}
.ticker-track{
  display:flex;gap:64px;animation:tickerScroll 25s linear infinite;
  width:max-content;
}
.ticker-track img{height:60px;opacity:1;transition:all .3s}
.ticker:hover .ticker-track{animation-play-state:paused}
@keyframes tickerScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ─── Footer ─── */
.footer{
  padding:80px 0 40px;
  border-top:1px solid rgba(0,0,0,0.06);
}
.footer-cta{text-align:center;margin-bottom:64px}
.footer-cta h2{margin-bottom:12px}
.footer-cta p{color:var(--text-muted);margin-bottom:28px}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  margin-bottom:48px;
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start}
.footer-brand .nav-logo{justify-content:flex-start}
.footer-brand p{font-size:13px;color:var(--text-muted);margin-top:12px;max-width:280px;line-height:1.6;text-align:left}
.footer-col-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:16px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-secondary);text-decoration:none;transition:color .2s}
.footer-links a:hover{color:var(--green)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:24px;border-top:1px solid rgba(0,0,0,0.06);
  font-size:12px;color:var(--text-faint);
}

/* ─── Case Study ─── */
.case{padding:48px}
.case-label{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--green);margin-bottom:12px}
.case h3{font-size:clamp(20px,2.5vw,28px);margin-bottom:16px}
.case p{font-size:14px;color:var(--text-muted);line-height:1.65;margin-bottom:24px}
.case-metrics{display:flex;gap:32px;margin-bottom:24px;flex-wrap:wrap}
.case-metric-val{font-family:var(--font-serif);font-size:28px;font-weight:400;color:var(--green)}
.case-metric-label{font-size:12px;color:var(--text-muted);margin-top:2px}

/* ─── Blog Cards ─── */
.blog-card{overflow:hidden;text-decoration:none;display:block;transition:transform .3s var(--ease)}
.blog-card:hover{transform:translateY(-3px)}
.blog-card-img{width:100%;height:200px;object-fit:cover;border-radius:var(--radius-lg) var(--radius-lg) 0 0}
.blog-card-body{padding:24px}
.blog-card-cat{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--green);margin-bottom:8px}
.blog-card-title{font-family:var(--font-serif);font-size:18px;font-weight:400;color:var(--text);line-height:1.4;margin-bottom:8px}
.blog-card-excerpt{font-size:13px;color:var(--text-muted);line-height:1.6}

/* ─── Team ─── */
.team-card{text-align:center;padding:32px 24px}
.team-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;margin:0 auto 16px;background:var(--green-bg)}
.team-name{font-size:15px;font-weight:500;color:var(--text);margin-bottom:2px}
.team-role{font-size:13px;color:var(--text-muted)}

/* ─── Scroll Reveal ─── */
.reveal{
  opacity:0;transform:translateY(24px);
  transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1);
  will-change:opacity,transform;
}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal.delay-1{transition-delay:.08s}
.reveal.delay-2{transition-delay:.16s}
.reveal.delay-3{transition-delay:.24s}
.reveal.delay-4{transition-delay:.32s}

/* Legacy fade-up (same behavior) */
.fade-up{
  opacity:0;transform:translateY(24px);
  transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1);
  will-change:opacity,transform;
}
.fade-up.visible{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.08s}
.delay-2{transition-delay:.16s}
.delay-3{transition-delay:.24s}
.delay-4{transition-delay:.32s}

/* ─── Fixed Bottom Blur ─── */
.bottom-blur{
  position:fixed;bottom:0;left:0;right:0;height:160px;z-index:50;pointer-events:none;
  background:linear-gradient(to top,var(--bg) 0%,transparent 100%);
  -webkit-mask-image:linear-gradient(to top,black 0%,transparent 100%);
  mask-image:linear-gradient(to top,black 0%,transparent 100%);
}

/* ─── Mobile Nav Overlay ─── */
.nav-mobile-menu{
  display:none;position:fixed;inset:0;z-index:200;
  background:rgba(247,247,244,.97);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  flex-direction:column;align-items:center;justify-content:center;gap:0;
  opacity:0;transition:opacity .3s var(--ease);
}
.nav-mobile-menu.open{display:flex;opacity:1}
.nav-mobile-menu a{
  font-family:var(--font-serif);font-size:clamp(28px,6vw,40px);font-weight:400;
  color:var(--text);text-decoration:none;padding:16px 0;
  opacity:0;transform:translateY(12px);transition:opacity .4s,transform .4s;
}
.nav-mobile-menu.open a{opacity:1;transform:translateY(0)}
.nav-mobile-menu.open a:nth-child(2){transition-delay:.06s}
.nav-mobile-menu.open a:nth-child(3){transition-delay:.12s}
.nav-mobile-menu.open a:nth-child(4){transition-delay:.18s}
.nav-mobile-menu.open a:nth-child(5){transition-delay:.24s}
.nav-mobile-menu .nav-mobile-close{
  position:absolute;top:20px;right:24px;background:none;border:none;cursor:pointer;padding:8px;
}
.nav-mobile-menu .nav-mobile-close svg{width:28px;height:28px;stroke:var(--text);fill:none;stroke-width:2}
.nav-mobile-menu .nav-mobile-cta{
  font-family:var(--font-sans)!important;font-size:14px!important;font-weight:600!important;
  color:#fff!important;background:var(--green);padding:12px 32px!important;
  border-radius:var(--radius-pill);margin-top:24px;
}

/* ─── Responsive ─── */
@media(max-width:900px){
  :root{--section-py:72px}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .compare{grid-template-columns:1fr}
  .pricing-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero{min-height:100vh;min-height:100svh;padding:100px 0 0}
}
@media(max-width:640px){
  .grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-mobile-toggle{display:block}
  .hero h1{font-size:32px}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:center}
  .case-metrics{flex-direction:column;gap:16px}
  /* Smoother animations on mobile — smaller translate to reduce layout shift */
  .reveal,.fade-up{transform:translateY(12px);transition-duration:.5s}
  .hero-proof{gap:4px}
}