/* ========================================
   SmartCut — Recharge Page
   Modern, premium, technological
   ======================================== */

/* === RESET & BASE === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:#fff;color:#111827;line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden
}
img{max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 12px}

/* === TYPOGRAPHY === */
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.15;letter-spacing:-0.03em}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:-0.02em}
h3{font-size:1.1rem;font-weight:600}
p{color:#4b5563;line-height:1.7}
.section-title{text-align:center;margin-bottom:48px}

/* === HEADER === */
.header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(0,0,0,.06)
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;padding:16px 0
}
.logo{font-size:1.4rem;font-weight:800;letter-spacing:-0.03em}
.logo span{color:#2563eb}
.nav-desktop{display:flex;gap:32px}
.nav-desktop a{
  font-size:.9rem;font-weight:500;color:#4b5563;
  transition:color .2s;position:relative
}
.nav-desktop a::after{
  content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
  background:#2563eb;transition:width .25s
}
.nav-desktop a:hover{color:#2563eb}
.nav-desktop a:hover::after{width:100%}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:#111827;border-radius:2px;transition:all .3s}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-nav{
  display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
  border-bottom:1px solid #e5e7eb;padding:16px 24px;flex-direction:column;gap:12px
}
.mobile-nav.open{display:flex}
.mobile-nav a{font-size:1rem;font-weight:500;color:#374151;padding:8px 0;border-bottom:1px solid #f3f4f6}
.mobile-nav a:last-child{border:none}

/* === HERO === */
.hero{
  padding:80px 0 100px;
  background:linear-gradient(180deg,#f8fafc 0%,#fff 100%);
  position:relative;overflow:hidden
}
.hero::before{
  content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;
  background:radial-gradient(circle,rgba(37,99,235,.05) 0%,transparent 70%);
  pointer-events:none
}
.hero-inner{display:flex;align-items:center;gap:60px;position:relative;z-index:1}
.hero-text{flex:1;max-width:580px}
.badge{
  display:inline-block;padding:6px 14px;border-radius:100px;
  background:rgba(37,99,235,.08);color:#2563eb;font-size:.8rem;font-weight:600;
  margin-bottom:20px;letter-spacing:0.3px
}
.highlight{background:linear-gradient(135deg,#2563eb,#1d4ed8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text p{font-size:1.1rem;margin:20px 0 32px;color:#6b7280;max-width:480px}
.hero-visual{flex:1;display:flex;justify-content:center}
.hero-icon{
  width:200px;height:200px;border-radius:32px;
  background:linear-gradient(135deg,#eff6ff,#dbeafe);
  display:flex;align-items:center;justify-content:center;
  position:relative;box-shadow:0 20px 60px rgba(37,99,235,.15)
}
.pulse-ring{
  position:absolute;width:100%;height:100%;border-radius:32px;
  border:2px solid rgba(37,99,235,.15);animation:pulse 2.5s infinite
}
@keyframes pulse{
  0%{transform:scale(1);opacity:.6}
  100%{transform:scale(1.25);opacity:0}
}

/* === BUTTONS === */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:12px;font-size:.95rem;font-weight:600;
  cursor:pointer;border:none;transition:all .25s;font-family:inherit;
  white-space:nowrap
}
.btn-primary{
  background:#2563eb;color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.3)
}
.btn-primary:hover{background:#1d4ed8;box-shadow:0 6px 20px rgba(37,99,235,.4);transform:translateY(-1px)}
.btn-lg{padding:16px 36px;font-size:1.05rem;border-radius:14px}
.btn-full{width:100%;padding:16px;font-size:1.05rem;border-radius:14px}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none !important}

/* === FEATURES === */
.features{padding:80px 0;background:#f8fafc}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:#fff;padding:32px;border-radius:16px;
  box-shadow:0 1px 3px rgba(0,0,0,.06);transition:all .3s;
  border:1px solid rgba(0,0,0,.04)
}
.feature-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.08);transform:translateY(-4px)}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  background:rgba(37,99,235,.08);display:flex;align-items:center;justify-content:center;
  margin-bottom:18px
}
.feature-card h3{margin-bottom:10px;color:#111827}
.feature-card p{font-size:.9rem;color:#6b7280}

/* === FORM === */
.form-section{padding:80px 0}
.form-container{max-width:640px;margin:0 auto}
.form-card{
  background:#fff;border-radius:20px;padding:48px;
  box-shadow:0 4px 24px rgba(0,0,0,.06);border:1px solid #e5e7eb
}
.form-card h2{text-align:center;margin-bottom:8px}
.form-subtitle{text-align:center;color:#6b7280;font-size:.95rem;margin-bottom:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.85rem;font-weight:600;color:#374151;margin-bottom:6px}
.form-group input,.form-group textarea{
  width:100%;padding:12px 16px;border:1.5px solid #d1d5db;
  border-radius:10px;font-size:.95rem;font-family:inherit;
  transition:all .2s;background:#fff;color:#111827
}
.form-group input:focus,.form-group textarea:focus{
  outline:none;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.12)
}
.form-group input.error,.form-group textarea.error{
  border-color:#ef4444;box-shadow:0 0 0 3px rgba(239,68,68,.12)
}
.form-group textarea{resize:vertical;min-height:80px}

/* Checkbox */
.checkbox-group{margin-bottom:24px}
.checkbox-label{
  display:flex;align-items:flex-start;gap:10px;
  font-size:.88rem;color:#4b5563;cursor:pointer;line-height:1.5
}
.checkbox-label input[type="checkbox"]{
  width:18px;height:18px;margin-top:2px;accent-color:#2563eb;cursor:pointer
}

/* Spinner */
.spinner{
  width:22px;height:22px;border:2.5px solid rgba(255,255,255,.3);
  border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;display:inline-block;vertical-align:middle
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Form footer */
.form-footer{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:20px;font-size:.8rem;color:#9ca3af
}

/* === INFO BOX === */
.info-section{padding:0 0 80px}
.info-box{
  display:flex;align-items:flex-start;gap:20px;
  background:#fffbeb;border:1px solid #fef3c7;border-radius:16px;
  padding:28px 32px
}
.info-icon{font-size:2rem;line-height:1}
.info-text h3{font-size:1rem;margin-bottom:8px;color:#92400e}
.info-text p{font-size:.9rem;color:#b45309;line-height:1.6}
.info-text p strong{color:#92400e}

/* === FAQ === */
.faq-section{padding:80px 0;background:#f8fafc}
.faq-list{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.faq-item{background:#fff;border-radius:12px;overflow:hidden;border:1px solid #e5e7eb}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:18px 22px;font-size:.95rem;font-weight:600;color:#111827;
  background:none;border:none;cursor:pointer;font-family:inherit;text-align:left
}
.faq-question svg{flex-shrink:0;transition:transform .3s;color:#6b7280}
.faq-item.open .faq-question svg{transform:rotate(180deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;
  padding:0 22px;color:#6b7280;font-size:.9rem;line-height:1.7
}
.faq-item.open .faq-answer{
  max-height:300px;padding:0 22px 18px
}

/* === CONTACT === */
.contact-section{padding:80px 0}
.contact-content{
  display:flex;flex-direction:column;align-items:center;gap:16px
}
.contact-item{
  display:flex;align-items:center;gap:10px;font-size:.95rem;color:#4b5563
}

/* === FOOTER === */
.footer{
  background:#111827;color:#e5e7eb;padding:48px 0
}
.footer-inner{display:flex;flex-direction:column;gap:24px;align-items:center;text-align:center}
.footer .logo{color:#fff}.footer .logo span{color:#60a5fa}
.footer-brand p{font-size:.85rem;color:#9ca3af;margin-top:8px}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;justify-content:center}
.footer-links a{font-size:.85rem;color:#9ca3af;transition:color .2s}
.footer-links a:hover{color:#60a5fa}
.footer-copy p{font-size:.8rem;color:#6b7280}

/* === TOAST === */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:200;
  padding:14px 24px;border-radius:12px;font-size:.9rem;font-weight:500;
  background:#111827;color:#fff;box-shadow:0 8px 32px rgba(0,0,0,.2);
  opacity:0;visibility:hidden;transition:all .3s;white-space:nowrap
}
.toast.show{opacity:1;visibility:visible}
.toast.error{background:#ef4444}
.toast.success{background:#059669}

/* === RESPONSIVE === */
@media(max-width:900px){
  .hero-inner{flex-direction:column;text-align:center;gap:40px}
  .hero-text p{margin:20px auto 32px}
  .features-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}
  .form-card{padding:32px 24px}
  .form-row{grid-template-columns:1fr}
  .info-box{flex-direction:column;align-items:center;text-align:center;padding:24px}
}
@media(max-width:640px){
  .nav-desktop{display:none}
  .hamburger{display:flex}
  .hero{padding:60px 0 70px}
  .hero-icon{width:160px;height:160px}
  .features{padding:60px 0}
  .form-section,.faq-section,.contact-section{padding:60px 0}
  .info-section{padding:0 0 60px}
}
@media(min-width:641px){
  .mobile-nav{display:none !important}
}
.footer-lang{display:flex;gap:8px;justify-content:center}.lang-link{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;font-size:.75rem;font-weight:700;text-transform:uppercase;color:#9ca3af;border:1.5px solid #374151;transition:all .2s}.lang-link:hover{color:#60a5fa;border-color:#60a5fa}