*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0f;
  --bg-card:#111119;
  --bg-card-hover:#16161f;
  --bg-input:#0d0d14;
  --border:#1e1e2e;
  --border-focus:#6c5ce7;
  --text:#e2e2e8;
  --text-dim:#8888a0;
  --text-muted:#55556a;
  --primary:#6c5ce7;
  --primary-hover:#7d6ff0;
  --primary-glow:rgba(108,92,231,.25);
  --accent:#a29bfe;
  --gradient:linear-gradient(135deg,#6c5ce7,#a29bfe,#fd79a8);
  --success:#00b894;
  --success-bg:rgba(0,184,148,.1);
  --error:#ff6b6b;
  --error-bg:rgba(255,107,107,.1);
  --warning:#fdcb6e;
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:16px;
  --shadow:0 4px 24px rgba(0,0,0,.4);
  --shadow-lg:0 8px 48px rgba(0,0,0,.6);
}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  min-height:100vh;
}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Background Glows */
.bg-glow{position:fixed;border-radius:50%;filter:blur(120px);opacity:.15;pointer-events:none;z-index:0}
.bg-glow-1{width:600px;height:600px;background:#6c5ce7;top:-200px;left:-100px}
.bg-glow-2{width:500px;height:500px;background:#fd79a8;bottom:-150px;right:-100px}
.bg-glow-3{width:400px;height:400px;background:#00b894;top:40%;left:50%;transform:translateX(-50%)}

/* Navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;backdrop-filter:blur(20px);background:rgba(10,10,15,.7);border-bottom:1px solid var(--border)}
.nav-content{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--text);text-decoration:none}
.logo-icon{width:28px;height:28px;color:var(--primary)}
.nav-links{display:flex;gap:24px}
.nav-links a{color:var(--text-dim);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}

/* Hero */
.hero{position:relative;z-index:1;text-align:center;padding:140px 0 60px}
.badge{display:inline-block;padding:6px 16px;border-radius:20px;font-size:.8rem;font-weight:600;background:var(--primary-glow);color:var(--accent);border:1px solid rgba(108,92,231,.3);margin-bottom:20px;letter-spacing:.5px;text-transform:uppercase}
.hero h1{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;line-height:1.15;margin-bottom:16px;letter-spacing:-1px}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.1rem;color:var(--text-dim);max-width:500px;margin:0 auto}

/* SMS Card */
.sms-section{position:relative;z-index:1;padding:20px 0 60px}
.sms-card{
  max-width:600px;margin:0 auto;background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-lg);
  transition:border-color .3s;
}
.sms-card:hover{border-color:rgba(108,92,231,.3)}
.card-header{margin-bottom:28px}
.card-header h2{font-size:1.35rem;font-weight:700;margin-bottom:4px}
.card-header p{color:var(--text-dim);font-size:.9rem}

/* Form */
.form-group{margin-bottom:22px}
.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--text-dim);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}
.phone-input-group{display:flex;gap:8px}
.country-select,.carrier-select{
  padding:12px 8px 12px 14px;background:var(--bg-input);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);font-size:.95rem;font-family:inherit;
  cursor:pointer;min-width:90px;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888a0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 8px center;
}
.carrier-select{width:100%}
.phone-input,.message-input,.carrier-select{
  width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);font-size:1rem;font-family:inherit;
  transition:border-color .2s,box-shadow .2s;outline:none;
}
.phone-input:focus,.message-input:focus,.country-select:focus,.carrier-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--primary-glow)}
.phone-input::placeholder,.message-input::placeholder,.carrier-select::placeholder{color:var(--text-muted)}
.input-hint{display:block;font-size:.78rem;color:var(--text-muted);margin-top:6px}
.message-input{resize:vertical;min-height:120px}
.message-footer{display:flex;justify-content:space-between;align-items:center;margin-top:8px}
.char-count{font-size:.82rem;color:var(--text-muted)}
.sms-segments{font-size:.82rem;color:var(--primary);font-weight:500}

/* Send Button */
.send-btn{
  width:100%;padding:14px 24px;border:none;border-radius:var(--radius);font-size:1rem;
  font-weight:600;font-family:inherit;cursor:pointer;display:flex;align-items:center;
  justify-content:center;gap:10px;background:var(--gradient);color:#fff;
  transition:transform .15s,box-shadow .3s,opacity .2s;position:relative;overflow:hidden;
}
.send-btn:hover{transform:translateY(-1px);box-shadow:0 6px 24px var(--primary-glow)}
.send-btn:active{transform:translateY(0)}
.send-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.send-icon{width:18px;height:18px}
.spinner{
  width:20px;height:20px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;
  border-radius:50%;animation:spin .6s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Result */
.result-message{
  margin-top:20px;padding:14px 18px;border-radius:var(--radius-sm);font-size:.9rem;
  display:flex;align-items:flex-start;gap:10px;line-height:1.5;
}
.result-message.success{background:var(--success-bg);color:var(--success);border:1px solid rgba(0,184,148,.2)}
.result-message.error{background:var(--error-bg);color:var(--error);border:1px solid rgba(255,107,107,.2)}
.result-message .result-icon{flex-shrink:0;margin-top:2px}

/* Features */
.features{position:relative;z-index:1;padding:60px 0}
.section-title{text-align:center;font-size:2rem;font-weight:800;margin-bottom:40px;letter-spacing:-.5px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.feature-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;transition:transform .2s,border-color .3s;
}
.feature-card:hover{transform:translateY(-3px);border-color:rgba(108,92,231,.3)}
.feature-icon{
  width:48px;height:48px;border-radius:12px;background:var(--primary-glow);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.feature-icon svg{width:24px;height:24px;color:var(--accent)}
.feature-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:.88rem;color:var(--text-dim);line-height:1.6}

/* How It Works */
.how-it-works{position:relative;z-index:1;padding:60px 0}
.steps{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.step{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;text-align:center;flex:1;min-width:180px;max-width:250px;
  transition:transform .2s;
}
.step:hover{transform:translateY(-3px)}
.step-number{
  width:44px;height:44px;border-radius:50%;background:var(--primary-glow);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
  font-weight:700;color:var(--accent);margin:0 auto 14px;
}
.step h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.step p{font-size:.85rem;color:var(--text-dim)}
.step-arrow{color:var(--text-muted);flex-shrink:0}
.step-arrow svg{width:24px;height:24px}

/* FAQ */
.faq{position:relative;z-index:1;padding:60px 0}
.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.faq-item{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:border-color .3s;
}
.faq-item:hover{border-color:rgba(108,92,231,.3)}
.faq-item h3{font-size:1rem;font-weight:700;margin-bottom:8px;color:var(--accent)}
.faq-item p{font-size:.88rem;color:var(--text-dim);line-height:1.6}

/* Disclaimer */
.disclaimer{position:relative;z-index:1;padding:0 0 60px}
.disclaimer-card{
  display:flex;gap:16px;align-items:flex-start;padding:20px 24px;
  background:rgba(253,203,110,.05);border:1px solid rgba(253,203,110,.15);
  border-radius:var(--radius);
}
.disclaimer-icon{width:24px;height:24px;color:var(--warning);flex-shrink:0;margin-top:2px}
.disclaimer-card h4{font-size:.95rem;font-weight:700;color:var(--warning);margin-bottom:4px}
.disclaimer-card p{font-size:.85rem;color:var(--text-dim);line-height:1.6}

/* Footer */
.footer{position:relative;z-index:1;border-top:1px solid var(--border);padding:40px 0 24px}
.footer-content{display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}
.footer-brand p{color:var(--text-dim);font-size:.85rem;margin-top:8px}
.footer-links{display:flex;gap:20px}
.footer-links a{color:var(--text-dim);text-decoration:none;font-size:.88rem;transition:color .2s}
.footer-links a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);padding-top:16px;width:100%}
.footer-bottom p{color:var(--text-muted);font-size:.8rem}

/* Responsive */
@media(max-width:768px){
  .nav-links{display:none}
  .hero h1{font-size:2rem}
  .sms-card{padding:24px 18px}
  .phone-input-group{flex-direction:column}
  .country-select,.carrier-select{min-width:100%}
  .steps{flex-direction:column}
  .step-arrow{transform:rotate(90deg)}
  .step{max-width:100%}
  .faq-grid{grid-template-columns:1fr}
  .disclaimer-card{flex-direction:column}
}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.sms-card,.feature-card,.step,.faq-item{animation:fadeInUp .5s ease-out both}
.feature-card:nth-child(2){animation-delay:.1s}
.feature-card:nth-child(3){animation-delay:.2s}
.feature-card:nth-child(4){animation-delay:.3s}