/* RESET */
*{margin:0;padding:0;box-sizing:border-box;}
html, body{height:100%;font-family:Inter,sans-serif;overflow-x:hidden;scroll-behavior:auto;}

/* BACKGROUND */
.dynamic-bg{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background: linear-gradient(120deg,#ffe1d3,#fff,#d3e8ff);
  background-size:400% 400%;
  animation: gradientMove 20s ease infinite;
  z-index:-2;
}
@keyframes gradientMove{
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}

/* HEADER */
.header{
  position:fixed;top:0;width:100%;padding:20px 0;
  backdrop-filter:blur(12px);
  background:rgba(255,255,255,0.88);
  z-index:100;
  transition:transform 0.5s ease;
}
.header-inner{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px;}
.logo{font-weight:700;font-size:22px;color:#ff7a3e;}
.nav{display:flex;gap:30px;}
.nav a{text-decoration:none;color:#333;font-weight:500;transition:0.3s;}
.nav a:hover{color:#ff7a3e;}
body.scrolling-down .header{transform:translateY(-100%);}
body.scrolling-up .header{transform:translateY(0);}

/* HERO */
.hero{min-height:110vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;padding-top:120px;overflow:hidden;}
.hero-title{font-size:56px;line-height:1.1;margin-bottom:20px;text-align:center;color:#111;}
.hero-subtitle{font-size:18px;color:#555;margin-bottom:30px;max-width:600px;text-align:center;}
.hero-actions{display:flex;gap:15px;justify-content:center;flex-wrap:wrap;}
.btn-primary{background:#ff7a3e;color:#fff;border:none;padding:14px 28px;border-radius:16px;cursor:pointer;font-weight:600;transition:0.3s;}
.btn-primary:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 10px 25px rgba(0,0,0,0.15);}
.btn-secondary{background:#fff;border:1px solid #ddd;padding:14px 28px;border-radius:16px;cursor:pointer;}

/* SECTIONS */
section{padding:140px 0;position:relative;max-width:1200px;margin:0 auto;}
.section.soft{background:#fff;}
.section-title{font-size:42px;margin-bottom:20px;text-align:center;color:#222;opacity:0;transform:translateY(60px);transition:all 0.9s cubic-bezier(.16,1,.3,1);}
.section-text{color:#555;font-size:18px;line-height:1.6;text-align:center;max-width:900px;margin:0 auto;opacity:0;transform:translateY(60px);transition:all 0.9s cubic-bezier(.16,1,.3,1);}

/* GRID */
.advantages-grid,.services-grid,.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:40px;margin-top:50px;}

/* CARDS */
.adv-card,.service-card,.faq-card{background:#fff;padding:35px;border-radius:20px;box-shadow:0 20px 50px rgba(0,0,0,0.07);opacity:0;transform:translateY(80px) scale(0.96);transition:all 0.9s cubic-bezier(.16,1,.3,1);}
.adv-card.visible,.service-card.visible,.faq-card.visible{opacity:1;transform:translateY(0) scale(1);}
.adv-card svg,.service-card svg,.faq-card svg{margin-bottom:20px;width:48px;height:48px;}

/* FLOATING CONTACT */
.floating-contact{position:fixed;right:30px;bottom:30px;z-index:200;}
.circle{width:80px;height:80px;background:#ff7a3e;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;animation:pulse 2.2s infinite ease-in-out;transition:0.3s;}
.circle svg{width:36px;height:36px;}
@keyframes pulse{50%{transform:scale(1.1);}}
.contact-buttons{position:absolute;right:100px;bottom:0;display:flex;flex-direction:column;gap:16px;opacity:0;transform:translateX(30px);pointer-events:none;transition:0.6s cubic-bezier(.16,1,.3,1);}
.floating-contact.active .contact-buttons{opacity:1;transform:translateX(0);pointer-events:auto;}
.contact-buttons a{width:70px;height:70px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 15px 30px rgba(0,0,0,0.15);transition:0.3s;}
.contact-buttons a:hover{transform:scale(1.1);}

/* SCROLL EFFECTS */
[data-animate]{opacity:0;transform:translateY(60px);transition:all 0.9s cubic-bezier(.16,1,.3,1);}
[data-animate].active{opacity:1;transform:translateY(0);}