/* ==========================================================================
   Saiyo Technologies — Core Stylesheet
   Design tokens: Deep navy + electric cyan, glassmorphism, Sora/Inter/JetBrains Mono
   ========================================================================== */

:root{
  /* Colors */
  --navy-950:#060a1a;
  --navy-900:#0a1128;
  --navy-800:#0f1a3d;
  --navy-700:#131b3a;
  --navy-600:#1c2a5e;
  --blue-500:#3d5afe;
  --blue-400:#5b7fff;
  --cyan-400:#22d3ee;
  --cyan-300:#67e8f9;
  --white:#ffffff;
  --ink-100:#eef1fb;
  --ink-300:#c3cae3;
  --ink-500:#a8b2d1;
  --ink-700:#7581a8;
  --line:rgba(255,255,255,0.08);
  --glass-bg:rgba(19,27,58,0.55);
  --glass-border:rgba(255,255,255,0.12);
  --success:#34d399;
  --danger:#f87171;

  /* Gradients */
  --grad-primary:linear-gradient(120deg,var(--blue-500) 0%,var(--cyan-400) 100%);
  --grad-hero:radial-gradient(120% 120% at 15% 0%,#182451 0%,var(--navy-900) 55%,var(--navy-950) 100%);

  /* Type */
  --font-display:'Sora',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;

  /* Layout */
  --container:1240px;
  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:28px;
  --nav-h:76px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--navy-900);
  color:var(--ink-300);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}

::selection{background:var(--cyan-400);color:var(--navy-950);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

/* Focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--cyan-400);
  outline-offset:3px;
  border-radius:4px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--cyan-300);
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:'';
  width:22px;height:1px;
  background:var(--cyan-300);
  display:inline-block;
}

h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  color:var(--white);
  margin:0 0 16px;
  line-height:1.15;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.4rem,4.4vw,4rem);font-weight:700;}
h2{font-size:clamp(1.9rem,3.2vw,2.6rem);font-weight:700;}
h3{font-size:1.35rem;font-weight:600;}
p{margin:0 0 16px;}
.lead{font-size:1.15rem;color:var(--ink-300);}

.section{padding:100px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-header{max-width:680px;margin-bottom:56px;}
.section-header.center{margin-left:auto;margin-right:auto;text-align:center;}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:15px 30px;
  border-radius:100px;
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-primary);
  color:var(--navy-950);
  box-shadow:0 8px 24px -8px rgba(61,90,254,0.6);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px -8px rgba(34,211,238,0.55);}
.btn-outline{
  background:transparent;
  border-color:var(--line);
  color:var(--white);
}
.btn-outline:hover{border-color:var(--cyan-400);color:var(--cyan-300);transform:translateY(-2px);}
.btn-outline.active{border-color:var(--cyan-400);color:var(--cyan-300);background:rgba(34,211,238,0.08);}
.btn-sm{padding:10px 20px;font-size:13.5px;}
.btn-block{width:100%;}

/* Glass card */
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-radius:var(--radius-md);
}

/* ===== Navbar ===== */
.navbar{
  position:fixed;top:0;left:0;right:0;
  height:var(--nav-h);
  display:flex;align-items:center;
  z-index:1000;
  transition:background .3s ease, border-color .3s ease, box-shadow .3s ease, height .3s ease;
  border-bottom:1px solid transparent;
}
.navbar.scrolled{
  background:rgba(6,10,26,0.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  height:66px;
  box-shadow:0 10px 30px -20px rgba(0,0,0,0.6);
}
.navbar .container{display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--white);}
.brand-icon{height:36px;width:auto;display:block;}
.brand .mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--grad-primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-weight:700;color:var(--navy-950);font-size:15px;
}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links > li > a{
  padding:10px 16px;font-size:14.5px;font-weight:500;color:var(--ink-300);
  border-radius:8px;transition:color .2s ease,background .2s ease;
  display:inline-block;
}
.nav-links > li > a:hover,.nav-links > li > a.active{color:var(--white);background:rgba(255,255,255,0.06);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.dropdown{position:relative;padding-bottom:14px;margin-bottom:-14px;}
.dropdown-menu{
  position:absolute;top:calc(100% + 8px);left:0;
  min-width:230px;
  background:var(--navy-700);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:all .2s ease;
  box-shadow:0 20px 40px -20px rgba(0,0,0,0.6);
}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-menu a{display:block;padding:9px 12px;font-size:14px;border-radius:6px;color:var(--ink-300);}
.dropdown-menu a:hover{background:rgba(255,255,255,0.06);color:var(--white);}
.hamburger{display:none;width:40px;height:40px;border:none;background:transparent;position:relative;}
.hamburger span{display:block;position:absolute;left:9px;right:9px;height:2px;background:var(--white);border-radius:2px;transition:all .25s ease;}
.hamburger span:nth-child(1){top:14px;}
.hamburger span:nth-child(2){top:19px;}
.hamburger span:nth-child(3){top:24px;}
.hamburger.open span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* Scroll progress */
.scroll-progress{position:fixed;top:0;left:0;height:3px;background:var(--grad-primary);z-index:1200;width:0%;}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 90px) 0 110px;
  background:var(--grad-hero);
  overflow:hidden;
}
.hero-canvas{position:absolute;inset:0;opacity:0.55;pointer-events:none;}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(60% 60% at 50% 30%,black 20%,transparent 80%);
  opacity:0.5;
}
.hero .container{position:relative;z-index:2;}
.hero-inner{max-width:760px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12.5px;color:var(--cyan-300);
  padding:7px 14px;border:1px solid var(--line);border-radius:100px;
  margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan-400);box-shadow:0 0 12px var(--cyan-400);}
.type-cursor{border-right:2px solid var(--cyan-400);animation:blink 0.9s step-end infinite;}
@keyframes blink{50%{border-color:transparent;}}
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:44px;margin-top:64px;flex-wrap:wrap;}
.hero-stat b{display:block;font-family:var(--font-display);font-size:2rem;color:var(--white);}
.hero-stat span{font-size:13px;color:var(--ink-500);}

/* ===== Cards / Grids ===== */
.grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

.card{
  background:var(--navy-700);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:32px;
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  height:100%;
}
.card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,0.35);box-shadow:0 24px 50px -30px rgba(34,211,238,0.25);}
.card-icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,rgba(61,90,254,0.18),rgba(34,211,238,0.18));
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--cyan-300);
  margin-bottom:20px;
}
.card a.card-link{font-size:13.5px;font-weight:600;color:var(--cyan-300);display:inline-flex;align-items:center;gap:6px;margin-top:14px;}

/* Stats counter */
.stats-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
}
.stat{text-align:center;}
.stat b{
  font-family:var(--font-display);font-size:2.6rem;color:var(--white);
  display:block;
}
.stat span{color:var(--ink-500);font-size:14px;}

/* Logos row */
.logo-row{display:flex;flex-wrap:wrap;gap:40px;align-items:center;justify-content:space-between;opacity:0.6;}
.logo-row span{font-family:var(--font-mono);font-size:14px;color:var(--ink-500);}

/* Testimonials */
.testimonial{padding:36px;}
.testimonial p{font-size:1.05rem;color:var(--ink-100);}
.testimonial-author{display:flex;align-items:center;gap:12px;margin-top:20px;}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--grad-primary);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);color:var(--navy-950);font-weight:700;}
.author-name{color:var(--white);font-weight:600;font-size:14px;}
.author-role{font-size:12.5px;color:var(--ink-700);}

/* FAQ accordion */
.faq-item{border-bottom:1px solid var(--line);padding:22px 0;}
.faq-q{display:flex;align-items:center;justify-content:space-between;cursor:pointer;color:var(--white);font-weight:600;font-size:16px;}
.faq-q .icon{transition:transform .25s ease;color:var(--cyan-300);}
.faq-item.open .faq-q .icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-500);}
.faq-item.open .faq-a{max-height:260px;padding-top:14px;}

/* CTA band */
.cta-band{
  border-radius:var(--radius-lg);
  padding:64px;
  background:linear-gradient(120deg,rgba(61,90,254,0.16),rgba(34,211,238,0.1));
  border:1px solid var(--line);
  text-align:center;
}

/* Footer */
footer{background:var(--navy-950);border-top:1px solid var(--line);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:56px;}
.footer-col h4{color:var(--white);font-size:14px;margin-bottom:18px;text-transform:uppercase;letter-spacing:0.08em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14.5px;color:var(--ink-500);transition:color .2s ease;}
.footer-col a:hover{color:var(--cyan-300);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-700);flex-wrap:wrap;gap:14px;
}
.social-icons{display:flex;gap:10px;}
.social-icons a{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-300);
  transition:all .2s ease;
}
.social-icons a:hover{background:var(--grad-primary);color:var(--navy-950);border-color:transparent;}

/* Floating buttons */
.float-stack{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;gap:12px;z-index:900;}
.float-btn{
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#ffffff;font-size:20px;border:none;
  box-shadow:0 12px 30px -10px rgba(0,0,0,0.6);
  transition:transform .2s ease;
}
.float-btn:hover{transform:translateY(-3px) scale(1.05);}
.float-whatsapp{background:#25D366;color:#ffffff;}
.float-call{background:var(--grad-primary);color:#0a1128;}
.float-top{background:var(--navy-700);border:1px solid var(--line);opacity:0;pointer-events:none;transition:opacity .25s ease;}
.float-top.show{opacity:1;pointer-events:auto;}

/* Theme toggle */
.theme-toggle{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  background:transparent;color:var(--ink-300);display:flex;align-items:center;justify-content:center;
}

/* Light mode overrides */
body.light{
  background:#f6f8fd;
  color:#3a4368;
  --white:#10193a;
  --ink-100:#1b2340;
  --ink-300:#3a4368;
  --ink-500:#5b6489;
  --ink-700:#7d86ab;
  --line:rgba(15,26,61,0.12);
  --cyan-300:#0e7490;
  --cyan-400:#0891b2;
  --success:#0f9d68;
  --danger:#dc2626;
}
body.light .navbar.scrolled{background:rgba(246,248,253,0.9);}
body.light h1,body.light h2,body.light h3,body.light h4,body.light .brand{color:#0f1a3d;}
body.light .card,body.light .glass{background:#ffffff;border-color:#e7ebf7;}
body.light .hero,body.light .page-hero{background:radial-gradient(120% 120% at 15% 0%,#e4ebff 0%,#f6f8fd 55%,#eef1fb 100%);}
body.light .nav-links > li > a{color:#3a4368;}
body.light footer{background:#eef1fb;}
body.light .dropdown-menu{background:#ffffff;box-shadow:0 20px 40px -20px rgba(15,26,61,0.25);}
body.light .field input,body.light .field textarea,body.light .field select{background:#ffffff;color:#10193a;}
body.light .field label{color:#5b6489;}
body.light ::selection{background:#0e7490;color:#ffffff;}
body.light .hero-canvas{opacity:0.3;}
body.light .mobile-drawer{background:#ffffff;border-color:#e7ebf7;box-shadow:-20px 0 50px -20px rgba(15,26,61,0.2);}
body.light .mobile-drawer a{border-color:#eef1fb;}
body.light .float-top{background:#ffffff;border-color:#e7ebf7;color:#0f1a3d;}
body.light .nav-links > li > a:hover,body.light .nav-links > li > a.active{background:rgba(15,26,61,0.06);}
body.light .dropdown-menu a:hover{background:rgba(15,26,61,0.06);}

/* Page header (inner pages) */
.page-hero{
  padding:calc(var(--nav-h) + 60px) 0 70px;
  background:var(--grad-hero);
  position:relative;
  overflow:hidden;
}
.breadcrumb{font-family:var(--font-mono);font-size:13px;color:var(--ink-700);margin-bottom:14px;}
.breadcrumb a{color:var(--cyan-300);}

/* Utility */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.tag{
  display:inline-block;padding:5px 12px;border-radius:100px;font-size:12px;
  border:1px solid var(--line);color:var(--ink-500);font-family:var(--font-mono);
}
.divider{height:1px;background:var(--line);margin:56px 0;}