/* ===========================================================
   PUZZLES — Flexible Solutions For A Changing World
   Design tokens
   Background:  #05070d (near-black)  / Surface: #0c1424 / Surface-2: #111c30
   Blue:  #3b6fd6   Cyan: #57c7e8   Green: #9ed147   Yellow: #e2c94a
   Display font: 'Sora'   Body font: 'Inter'
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --bg: #05070d;
  --surface: #0b1220;
  --surface-2: #101a2e;
  --border: rgba(255,255,255,0.08);
  --text: #e9eefb;
  --muted: #93a1bd;
  --blue: #3b6fd6;
  --cyan: #57c7e8;
  --green: #9ed147;
  --yellow: #e2c94a;
  --grad-full: linear-gradient(100deg, var(--blue) 0%, var(--cyan) 40%, var(--green) 70%, var(--yellow) 100%);
  --grad-blue-cyan: linear-gradient(100deg, var(--blue), var(--cyan));
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px rgba(0,0,0,0.45);
  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', system-ui, sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Sora', 'Inter', sans-serif;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.02em;
}
p{ margin:0 0 1em; color:var(--muted); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; }

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

.text-gradient{
  background:var(--grad-full);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.section-eyebrow{
  text-transform:uppercase;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--cyan);
  margin-bottom:.9rem;
}
.section-title{
  font-size:clamp(1.6rem, 3vw, 2.3rem);
  color:var(--text);
  max-width:640px;
}
.center{ text-align:center; margin-left:auto; margin-right:auto; }
h2.center{ max-width:680px; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.85rem 1.6rem;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-blue-cyan);
  color:#05121e;
  box-shadow:0 10px 30px rgba(59,111,214,.35);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 36px rgba(87,199,232,.4); }
.btn-ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--text);
}
.btn-ghost:hover{ border-color:var(--cyan); color:var(--cyan); }
.btn-quote{
  border:1px solid var(--cyan);
  color:var(--cyan);
  padding:.6rem 1.3rem;
  font-size:.85rem;
}
.btn-quote:hover{ background:var(--cyan); color:#05121e; }
.btn-block{ width:100%; justify-content:center; }
.play-dot{
  display:inline-flex; align-items:center; justify-content:center;
  width:22px; height:22px; border-radius:50%;
  background:var(--grad-blue-cyan); color:#05121e; font-size:.6rem;
}
.link-arrow{
  color:var(--cyan);
  font-weight:600;
  font-size:.9rem;
  display:inline-block;
  margin-top:.4rem;
  transition:gap .2s ease;
}
.link-arrow:hover{ color:var(--green); }

/* ---------- Preloader ---------- */
#preloader{
  position:fixed; inset:0; z-index:9999;
  background:var(--bg);
  display:flex; align-items:center; justify-content:center;
  transition:opacity .5s ease, visibility .5s ease;
}
#preloader.done{ opacity:0; visibility:hidden; }
.loader-puzzle{ display:grid; grid-template-columns:1fr 1fr; gap:6px; width:44px; height:44px; }
.loader-puzzle span{
  background:var(--grad-full);
  border-radius:4px;
  animation:puzzlePulse 1.1s ease-in-out infinite;
}
.loader-puzzle span:nth-child(2){ animation-delay:.15s; }
.loader-puzzle span:nth-child(3){ animation-delay:.3s; }
.loader-puzzle span:nth-child(4){ animation-delay:.45s; }
@keyframes puzzlePulse{
  0%,100%{ transform:scale(.7); opacity:.5; }
  50%{ transform:scale(1); opacity:1; }
}

/* ---------- Header ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  padding:16px 0;
  background:transparent;
  transition:background .3s ease, box-shadow .3s ease, padding .3s ease;
}
.site-header.scrolled{
  background:rgba(5,7,13,.85);
  backdrop-filter:blur(10px);
  box-shadow:0 6px 24px rgba(0,0,0,.35);
  padding:10px 0;
}
.header-inner{ display:flex; align-items:center; gap:20px; }
.brand{ display:flex; align-items:center; gap:10px; margin-right:auto; }
.brand-logo{ width:38px; height:38px; object-fit:contain; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-name{
  font-family:'Sora',sans-serif; font-weight:800; font-size:1.05rem;
  background:var(--grad-full); -webkit-background-clip:text; background-clip:text; color:transparent;
  letter-spacing:.02em;
}
.brand-tagline{ font-size:.6rem; color:var(--muted); letter-spacing:.03em; }

.main-nav ul{ display:flex; gap:28px; }
.nav-link{
  font-size:.92rem; font-weight:500; color:var(--text);
  position:relative; padding:6px 0;
}
.nav-link::after{
  content:''; position:absolute; left:0; bottom:-2px; height:2px; width:0;
  background:var(--grad-blue-cyan); transition:width .25s ease;
}
.nav-link:hover, .nav-link.active{ color:var(--cyan); }
.nav-link.active::after, .nav-link:hover::after{ width:100%; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:36px; height:36px; background:transparent; border:none; cursor:pointer;
}
.nav-toggle span{ height:2px; background:var(--text); border-radius:2px; transition:.3s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 90px;
  overflow:hidden;
}
.hero-bg{ position:absolute; inset:0; z-index:0; }
.stars{
  position:absolute; inset:0;
  background-image:
    radial-gradient(1.5px 1.5px at 20% 30%, #fff 100%, transparent 0),
    radial-gradient(1.5px 1.5px at 70% 15%, #fff 100%, transparent 0),
    radial-gradient(1px 1px at 40% 70%, #fff 100%, transparent 0),
    radial-gradient(1.5px 1.5px at 90% 60%, #fff 100%, transparent 0),
    radial-gradient(1px 1px at 55% 40%, #fff 100%, transparent 0),
    radial-gradient(1.5px 1.5px at 10% 85%, #fff 100%, transparent 0),
    radial-gradient(1px 1px at 85% 90%, #fff 100%, transparent 0);
  opacity:.5;
  animation:twinkle 6s ease-in-out infinite alternate;
}
@keyframes twinkle{ 0%{opacity:.3;} 100%{opacity:.7;} }
.glow{ position:absolute; border-radius:50%; filter:blur(90px); opacity:.35; }
.glow-blue{ width:420px; height:420px; background:var(--blue); top:-120px; right:-80px; }
.glow-green{ width:360px; height:360px; background:var(--green); bottom:-140px; left:-100px; opacity:.2; }

.hero-inner{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center;
}
.eyebrow{
  text-transform:uppercase; font-size:.78rem; font-weight:700; letter-spacing:.16em;
  color:var(--cyan); margin-bottom:1rem;
}
.hero h1{ font-size:clamp(2.2rem, 4.6vw, 3.4rem); color:var(--text); }
.hero-lead{ max-width:520px; font-size:1.05rem; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin:1.6rem 0 2.4rem; }

.hero-trust{ display:flex; gap:28px; flex-wrap:wrap; }
.hero-trust li{ display:flex; align-items:flex-start; gap:10px; max-width:180px; }
.trust-icon{
  width:34px; height:34px; border-radius:10px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center; font-size:1rem;
  background:var(--surface-2); border:1px solid var(--border);
}
.hero-trust strong{ display:block; font-size:.88rem; }
.hero-trust small{ color:var(--muted); font-size:.76rem; }

.hero-art{ position:relative; display:flex; justify-content:center; }
.puzzle-svg{ width:100%; max-width:420px; }
.piece{ filter:drop-shadow(0 20px 30px rgba(0,0,0,.5)); }
.piece-4{ transform-origin:center; animation:floatPiece 4.5s ease-in-out infinite; }
@keyframes floatPiece{
  0%,100%{ transform:translateY(0) rotate(0deg); }
  50%{ transform:translateY(-14px) rotate(3deg); }
}

/* ---------- Reveal on scroll ---------- */
[data-reveal]{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
[data-reveal].in-view{ opacity:1; transform:translateY(0); }

/* ---------- Services ---------- */
.services{ padding:100px 0 40px; }
.service-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:28px; margin-top:50px;
}
.service-card{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.service-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow); border-color:rgba(87,199,232,.35); }
.service-media{ position:relative; height:190px; overflow:hidden; }
.service-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.service-card:hover .service-media img{ transform:scale(1.08); }
.service-media::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(5,7,13,0) 40%, rgba(5,7,13,.9) 100%);
}
.service-icon{
  position:absolute; left:20px; bottom:-22px; z-index:2;
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center; font-size:1.4rem;
  background:var(--grad-blue-cyan); box-shadow:0 10px 24px rgba(59,111,214,.4);
}
.service-body{ padding:38px 22px 26px; }
.service-body h3{ font-size:1.25rem; }
.check-list{ margin:1rem 0; }
.check-list li{
  position:relative; padding-left:24px; margin-bottom:.55rem;
  font-size:.88rem; color:var(--muted);
}
.check-list li::before{
  content:'\2713'; position:absolute; left:0; top:0;
  color:var(--green); font-weight:700; font-size:.8rem;
}

/* ---------- About ---------- */
.about{ padding:90px 0; }
.about-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:56px; align-items:center; }
.about-media{ position:relative; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.about-media img{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/3.2; }
.about-badge{
  position:absolute; left:20px; bottom:20px;
  background:rgba(5,7,13,.85); backdrop-filter:blur(6px);
  border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:14px 18px; display:flex; flex-direction:column; gap:2px;
  max-width:220px;
}
.about-badge strong{ font-family:'Sora',sans-serif; font-size:1.6rem; color:var(--cyan); }
.about-badge span{ font-size:.75rem; color:var(--muted); }
.about-stats{ display:flex; gap:32px; margin-top:1.6rem; flex-wrap:wrap; }
.about-stats strong{ display:block; font-family:'Sora',sans-serif; font-size:1.5rem; color:var(--green); }
.about-stats span{ font-size:.8rem; color:var(--muted); }

/* ---------- Why Us ---------- */
.why-us{ padding:90px 0; background:linear-gradient(180deg, transparent, rgba(59,111,214,.06), transparent); }
.why-grid{ display:grid; grid-template-columns:repeat(4, 1fr); gap:24px; margin-top:50px; }
.why-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:30px 24px; text-align:left; transition:transform .3s ease, border-color .3s ease;
}
.why-card:hover{ transform:translateY(-6px); border-color:rgba(158,209,71,.4); }
.why-icon{ font-size:1.8rem; display:inline-block; margin-bottom:14px; }
.why-card h3{ font-size:1.05rem; margin-bottom:.4rem; }
.why-card p{ font-size:.88rem; }

/* ---------- CTA Banner ---------- */
.cta-banner{
  position:relative; padding:70px 0; margin:20px 0;
  overflow:hidden;
}
.cta-inner{ position:relative; z-index:1; text-align:center; }
.cta-inner h2{ font-size:clamp(1.7rem, 3.4vw, 2.4rem); }
.cta-inner p{ margin-bottom:1.8rem; }
.cta-piece{
  position:absolute; width:160px; height:160px;
  border:2px solid rgba(87,199,232,.25); border-radius:26px;
  transform:rotate(20deg);
}
.cta-piece-left{ left:-40px; top:-30px; }
.cta-piece-right{ right:-40px; bottom:-30px; border-color:rgba(158,209,71,.25); transform:rotate(-15deg); }

/* ---------- Contact ---------- */
.contact{ padding:90px 0 110px; }
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; }
.contact-lead{ max-width:420px; }
.contact-list{ margin:2rem 0; display:flex; flex-direction:column; gap:20px; }
.contact-list li{ display:flex; align-items:center; gap:14px; }
.contact-icon{
  width:44px; height:44px; border-radius:12px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center; font-size:1.1rem;
  background:var(--surface-2); border:1px solid var(--border);
}
.contact-list strong{ display:block; font-size:.8rem; color:var(--muted); font-weight:500; }
.contact-list a{ color:var(--text); font-weight:600; }
.contact-list a:hover{ color:var(--cyan); }
.social-row{ display:flex; gap:12px; }
.social-btn{
  width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:var(--surface-2); border:1px solid var(--border);
  font-size:.75rem; font-weight:700; text-transform:uppercase;
  transition:.25s ease;
}
.social-btn:hover{ background:var(--grad-blue-cyan); color:#05121e; border-color:transparent; }

.contact-form{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:32px; display:flex; flex-direction:column; gap:18px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-field{ display:flex; flex-direction:column; gap:6px; }
.form-field label{ font-size:.82rem; color:var(--muted); }
.form-field input, .form-field select, .form-field textarea{
  background:var(--surface-2); border:1px solid var(--border); color:var(--text);
  border-radius:var(--radius-sm); padding:.75rem .9rem; font-family:inherit; font-size:.92rem;
  resize:vertical;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px rgba(87,199,232,.15);
}
.form-note{ font-size:.85rem; color:var(--green); min-height:1em; margin:0; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--surface); border-top:1px solid var(--border); padding-top:70px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:50px; }
.footer-brand p{ font-size:.88rem; margin:16px 0 20px; max-width:280px; }
.footer-col h4{ font-size:.95rem; margin-bottom:1.1rem; color:var(--text); }
.footer-col ul{ display:flex; flex-direction:column; gap:.7rem; }
.footer-col a{ font-size:.88rem; color:var(--muted); }
.footer-col a:hover{ color:var(--cyan); }
.footer-contact li{ display:flex; align-items:center; gap:8px; font-size:.88rem; color:var(--muted); }
.footer-contact a{ color:var(--muted); }
.footer-contact a:hover{ color:var(--cyan); }

.footer-bottom{ border-top:1px solid var(--border); padding:22px 0; }
.footer-bottom-inner{ display:flex; justify-content:space-between; align-items:center; font-size:.82rem; color:var(--muted); flex-wrap:wrap; gap:10px; }
.footer-bottom-inner a{ color:var(--muted); }
.footer-bottom-inner a:hover{ color:var(--cyan); }

.back-to-top{
  position:fixed; right:22px; bottom:22px; z-index:900;
  width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:var(--grad-blue-cyan); color:#05121e; font-weight:700;
  box-shadow:0 10px 24px rgba(59,111,214,.4);
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:.3s ease;
}
.back-to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 991px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-art{ order:-1; max-width:280px; margin:0 auto 20px; }
  .about-grid, .contact-grid{ grid-template-columns:1fr; }
  .service-grid{ grid-template-columns:repeat(2, 1fr); }
  .why-grid{ grid-template-columns:repeat(2, 1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width: 768px){
  .main-nav{
    position:fixed; top:0; right:0; height:100vh; width:78%; max-width:320px;
    background:rgba(5,7,13,.97); backdrop-filter:blur(10px);
    border-left:1px solid var(--border);
    display:flex; align-items:center; justify-content:center;
    transform:translateX(100%); transition:transform .35s ease;
    z-index:999;
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav ul{ flex-direction:column; gap:26px; text-align:center; }
  .nav-link{ font-size:1.1rem; }
  .nav-toggle{ display:flex; }
  .btn-quote{ display:none; }
  .service-grid{ grid-template-columns:1fr; }
  .why-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .form-row{ grid-template-columns:1fr; }
  .hero{ padding:130px 0 70px; }
  .hero-trust{ gap:18px; }
}

@media (max-width: 480px){
  .container{ padding:0 18px; }
  .brand-tagline{ display:none; }
  .contact-form{ padding:22px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
}