/*
Theme Name: SmartBioTime
Theme URI: https://smartbiotime.com
Author: Tawdeeh Technical Service
Author URI: https://twts-llc.com
Description: ZKTeco Attendance Management System - Professional landing page theme for SmartBioTime by Tawdeeh Technical Service.
Version: 1.0.0
License: GNU General Public License v2 or later
Tags: business, landing-page, dark-mode, responsive, seo-friendly
Text Domain: smartbiotime
*/

/* ═══════════════════════════════════════════════
   CSS VARIABLES
═══════════════════════════════════════════════ */
:root {
  --bg:#f0f4ff; --bg2:#e4eaf8; --surface:#ffffff; --surface2:#f7f9ff;
  --border:rgba(37,99,235,0.15); --text:#0f172a; --text2:#334155; --muted:#64748b;
  --blue:#2563eb; --blue2:#1d4ed8; --cyan:#0891b2; --accent:#06b6d4;
  --card-shadow:0 4px 24px rgba(37,99,235,0.1); --nav-bg:rgba(255,255,255,0.9);
  --hero-glow:rgba(37,99,235,0.08);
}
[data-theme="dark"] {
  --bg:#0d1117; --bg2:#0f1f3d; --surface:rgba(255,255,255,0.04); --surface2:rgba(255,255,255,0.02);
  --border:rgba(255,255,255,0.08); --text:#f1f5f9; --text2:#cbd5e1; --muted:#64748b;
  --blue:#3b82f6; --blue2:#2563eb; --cyan:#06b6d4; --accent:#22d3ee;
  --card-shadow:0 4px 32px rgba(0,0,0,0.4); --nav-bg:rgba(13,17,23,0.92);
  --hero-glow:rgba(37,99,235,0.15);
}

/* ═══ BASE ═══ */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);transition:background .3s,color .3s;overflow-x:hidden;}
::-webkit-scrollbar{width:5px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--blue);border-radius:3px;}
a{text-decoration:none;}
img{max-width:100%;height:auto;}

/* ═══ NAV ═══ */
.sbt-nav{
  position:fixed;top:0;left:0;right:0;z-index:999;
  background:var(--nav-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  padding:0 5%;display:flex;align-items:center;justify-content:space-between;
  height:64px;transition:all .3s;
}
.sbt-nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,0.12);}
.sbt-logo{display:flex;align-items:center;gap:10px;}
.sbt-logo-box{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,#2563eb,#06b6d4);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:13px;color:#fff;
  box-shadow:0 4px 12px rgba(37,99,235,0.4);
  flex-shrink:0;
}
.sbt-logo-text{font-size:18px;font-weight:800;color:var(--text);}
.sbt-logo-text span{background:linear-gradient(90deg,#2563eb,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.sbt-nav-links{display:flex;align-items:center;gap:28px;list-style:none;}
.sbt-nav-links a{font-size:14px;font-weight:500;color:var(--text2);transition:color .2s;}
.sbt-nav-links a:hover{color:var(--blue);}
.sbt-nav-right{display:flex;align-items:center;gap:12px;}
.sbt-theme-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);cursor:pointer;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s;color:var(--text);
}
.sbt-theme-btn:hover{border-color:var(--blue);transform:scale(1.05);}
.sbt-btn-demo{
  background:linear-gradient(135deg,#2563eb,#06b6d4);
  color:#fff!important;font-size:13px;font-weight:700;
  padding:9px 20px;border-radius:9px;
  box-shadow:0 4px 14px rgba(37,99,235,0.3);
  transition:transform .2s,box-shadow .2s;display:inline-block;
}
.sbt-btn-demo:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,0.45);}
.sbt-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;}
.sbt-hamburger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s;}

/* ═══ BUTTONS ═══ */
.sbt-btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#2563eb,#06b6d4);
  color:#fff;font-size:15px;font-weight:700;
  padding:14px 28px;border-radius:11px;
  box-shadow:0 6px 20px rgba(37,99,235,0.3);
  transition:transform .2s,box-shadow .2s;
}
.sbt-btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(37,99,235,0.45);color:#fff;}
.sbt-btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--text);
  border:1.5px solid var(--border);
  font-size:15px;font-weight:600;
  padding:14px 28px;border-radius:11px;
  transition:all .2s;
}
.sbt-btn-outline:hover{border-color:var(--blue);color:var(--blue);}

/* ═══ HERO ═══ */
.sbt-hero{
  min-height:100vh;padding:120px 5% 80px;
  display:flex;align-items:center;gap:40px;
  position:relative;overflow:hidden;
}
.sbt-hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 50% at 70% 50%,var(--hero-glow),transparent);
}
[data-theme="dark"] .sbt-hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.025) 1px,transparent 1px);
  background-size:40px 40px;
}
[data-theme="dark"] .sbt-hero-bg{
  background:radial-gradient(ellipse 50% 60% at 70% 40%,rgba(37,99,235,0.15),transparent),radial-gradient(ellipse 40% 40% at 20% 80%,rgba(6,182,212,0.08),transparent);
}
.sbt-hero-content{flex:1;max-width:560px;position:relative;z-index:1;}
.sbt-hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,rgba(37,99,235,0.1),rgba(6,182,212,0.1));
  border:1px solid rgba(6,182,212,0.35);
  color:var(--cyan);font-size:11px;font-weight:700;
  letter-spacing:1.5px;text-transform:uppercase;
  padding:5px 14px;border-radius:20px;margin-bottom:22px;
}
.sbt-hero-badge .pulse{animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.3;}}
.sbt-hero h1{font-size:clamp(30px,5vw,52px);font-weight:900;line-height:1.1;margin-bottom:20px;letter-spacing:-1px;}
.sbt-hero h1 .grad{background:linear-gradient(90deg,#2563eb,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.sbt-hero-sub{font-size:16px;color:var(--text2);line-height:1.7;margin-bottom:36px;max-width:480px;}
.sbt-hero-sub strong{color:var(--text);}
.sbt-hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px;}
.sbt-hero-stats{display:flex;gap:24px;flex-wrap:wrap;align-items:center;}
.sbt-stat .n{font-size:24px;font-weight:900;background:linear-gradient(135deg,#2563eb,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.sbt-stat .l{font-size:11px;color:var(--muted);font-weight:500;margin-top:2px;}
.sbt-stat-div{width:1px;height:36px;background:var(--border);}

/* ═══ DEVICE VISUAL ═══ */
.sbt-hero-visual{flex:1;display:flex;justify-content:center;align-items:center;position:relative;min-height:460px;}
.sbt-device-scene{position:relative;width:360px;height:420px;}
.sbt-device-main{position:absolute;top:50%;left:50%;animation:sbt-float 4s ease-in-out infinite;filter:drop-shadow(0 20px 40px rgba(37,99,235,0.25));}
@keyframes sbt-float{0%,100%{transform:translate(-50%,-52%);}50%{transform:translate(-50%,-48%);}}
.sbt-device-sm{position:absolute;}
.sbt-device-sm:nth-child(3){top:8%;right:0;animation:sbt-float2 5s ease-in-out infinite;}
.sbt-device-sm:nth-child(4){bottom:8%;left:0;animation:sbt-float2 5s ease-in-out infinite 1.5s;}
@keyframes sbt-float2{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.sbt-glow-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:280px;height:280px;border-radius:50%;border:1px solid rgba(37,99,235,0.2);animation:sbt-ring 3s ease-in-out infinite;}
.sbt-glow-ring2{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:350px;height:350px;border-radius:50%;border:1px solid rgba(6,182,212,0.1);animation:sbt-ring 3s ease-in-out infinite .6s;}
@keyframes sbt-ring{0%,100%{opacity:0.5;transform:translate(-50%,-50%) scale(1);}50%{opacity:1;transform:translate(-50%,-50%) scale(1.02);}}
.sbt-float-card{
  position:absolute;background:var(--surface);border:1px solid var(--border);
  border-radius:12px;padding:9px 13px;backdrop-filter:blur(10px);
  box-shadow:var(--card-shadow);font-size:11.5px;font-weight:600;
  display:flex;align-items:center;gap:8px;white-space:nowrap;color:var(--text);
  z-index:10;
}
.sbt-fc1{top:6%;left:-5%;animation:sbt-fc 3s ease-in-out infinite;}
.sbt-fc2{bottom:22%;right:-5%;animation:sbt-fc 3s ease-in-out infinite .8s;}
.sbt-fc3{bottom:4%;left:8%;animation:sbt-fc 3s ease-in-out infinite 1.6s;}
@keyframes sbt-fc{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
.sbt-fc-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;}
.dot-green{background:#22c55e;} .dot-blue{background:#3b82f6;} .dot-orange{background:#f97316;}

/* ═══ MARQUEE ═══ */
.sbt-marquee{
  padding:36px 0;background:var(--surface2);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  overflow:hidden;
}
.sbt-marquee-track{display:flex;gap:56px;animation:sbt-marquee 22s linear infinite;width:max-content;}
.sbt-marquee-track:hover{animation-play-state:paused;}
@keyframes sbt-marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.sbt-marquee-item{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap;}
.sbt-marquee-icon{width:30px;height:30px;background:var(--surface);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:15px;}

/* ═══ SECTIONS ═══ */
.sbt-section{padding:90px 5%;}
.sbt-section-label{font-size:11px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--blue);margin-bottom:12px;}
.sbt-section-title{font-size:clamp(24px,4vw,38px);font-weight:900;line-height:1.2;letter-spacing:-0.5px;margin-bottom:14px;}
.sbt-section-sub{font-size:15px;color:var(--muted);line-height:1.7;max-width:540px;}
.sbt-center{text-align:center;} .sbt-center .sbt-section-sub{margin:0 auto;}
.sbt-bg2{background:var(--bg2);}
[data-theme="dark"] .sbt-features-section{background:linear-gradient(180deg,#0d1117 0%,#0f1f3d 50%,#0d1117 100%);}

/* ═══ FEATURES ═══ */
.sbt-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:16px;margin-top:48px;}
.sbt-feat-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:16px;padding:26px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
  position:relative;overflow:hidden;
}
.sbt-feat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--blue),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .3s;}
.sbt-feat-card:hover::before{transform:scaleX(1);}
.sbt-feat-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(37,99,235,0.14);border-color:rgba(37,99,235,0.22);}
.sbt-feat-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;}
.sbt-feat-card h3{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--text);}
.sbt-feat-card p{font-size:13px;color:var(--muted);line-height:1.6;}

/* ═══ STATS BAR ═══ */
.sbt-stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border-radius:16px;overflow:hidden;margin-top:48px;}
.sbt-stat-box{background:var(--surface);padding:28px 20px;text-align:center;}
.sbt-stat-box .sbt-stat-n{font-size:32px;font-weight:900;background:linear-gradient(135deg,#2563eb,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.sbt-stat-box .sbt-stat-l{font-size:12px;color:var(--muted);margin-top:4px;font-weight:500;}

/* ═══ HOW IT WORKS ═══ */
.sbt-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:50px;position:relative;}
.sbt-steps::before{content:'';position:absolute;top:36px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,#2563eb,#06b6d4);opacity:0.2;}
.sbt-step{text-align:center;padding:20px 16px;}
.sbt-step-num{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#2563eb,#06b6d4);color:#fff;font-size:20px;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 6px 20px rgba(37,99,235,0.3);position:relative;z-index:1;}
.sbt-step h3{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--text);}
.sbt-step p{font-size:13px;color:var(--muted);line-height:1.5;}

/* ═══ PRICING ═══ */
.sbt-pricing-card{
  max-width:480px;margin:48px auto 0;
  background:var(--surface);border:1.5px solid rgba(37,99,235,0.35);
  border-radius:20px;padding:40px;
  position:relative;overflow:hidden;
  box-shadow:0 16px 48px rgba(37,99,235,0.12);
  text-align:center;
}
.sbt-pricing-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#2563eb,#06b6d4);}
[data-theme="dark"] .sbt-pricing-card{background:linear-gradient(145deg,#1e3a5f,#0f2a4a);}
.sbt-price-badge{display:inline-block;background:rgba(34,197,94,0.1);border:1px solid rgba(34,197,94,0.35);color:#22c55e;font-size:11px;font-weight:700;padding:4px 14px;border-radius:20px;margin-bottom:20px;}
.sbt-price-num{font-size:68px;font-weight:900;color:var(--text);line-height:1;margin-bottom:4px;}
.sbt-price-num .sbt-currency{font-size:22px;font-weight:700;color:var(--cyan);vertical-align:super;}
.sbt-price-period{font-size:14px;color:var(--muted);margin-bottom:30px;}
.sbt-price-features{list-style:none;text-align:left;margin-bottom:30px;}
.sbt-price-features li{padding:9px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text2);display:flex;align-items:center;gap:10px;}
.sbt-price-features li:last-child{border:none;}
.sbt-price-features li::before{content:'✓';color:#22c55e;font-weight:700;font-size:14px;flex-shrink:0;}
.sbt-price-note{font-size:12px;color:var(--muted);margin-top:12px;}

/* ═══ DEMO SECTION ═══ */
.sbt-demo-wrap{padding:0 5% 90px;}
.sbt-demo-box{
  background:linear-gradient(135deg,#1e3a5f,#0f2a4a);
  border-radius:20px;padding:60px 40px;text-align:center;
  border:1px solid rgba(37,99,235,0.4);
  position:relative;overflow:hidden;
}
[data-theme="light"] .sbt-demo-box{background:linear-gradient(135deg,#eff6ff,#e0f2fe);border:1px solid rgba(37,99,235,0.18);}
.sbt-demo-box::before{content:'';position:absolute;top:-80px;right:-80px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,0.2),transparent);}
.sbt-demo-box::after{content:'';position:absolute;bottom:-60px;left:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,0.15),transparent);}
.sbt-demo-box .sbt-section-label{color:#67e8f9;margin-bottom:10px;}
[data-theme="light"] .sbt-demo-box .sbt-section-label{color:var(--blue);}
.sbt-demo-box h2{font-size:clamp(22px,3.5vw,34px);font-weight:900;color:#fff;margin-bottom:12px;position:relative;z-index:1;}
[data-theme="light"] .sbt-demo-box h2{color:#0f172a;}
.sbt-demo-box p{font-size:15px;color:rgba(255,255,255,0.7);margin-bottom:24px;position:relative;z-index:1;}
[data-theme="light"] .sbt-demo-box p{color:#475569;}
.sbt-demo-creds{display:inline-flex;gap:20px;flex-wrap:wrap;justify-content:center;background:rgba(0,0,0,0.2);border-radius:12px;padding:14px 24px;margin-bottom:28px;position:relative;z-index:1;}
[data-theme="light"] .sbt-demo-creds{background:rgba(37,99,235,0.07);}
.sbt-cred{font-size:13px;color:rgba(255,255,255,0.85);}
[data-theme="light"] .sbt-cred{color:#334155;}
.sbt-cred span{font-weight:700;color:#67e8f9;}
[data-theme="light"] .sbt-cred span{color:#2563eb;}
.sbt-demo-note{font-size:12px;color:rgba(255,255,255,0.4);margin-top:14px;position:relative;z-index:1;}
[data-theme="light"] .sbt-demo-note{color:#94a3b8;}

/* ═══ CONTACT ═══ */
.sbt-contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:40px;}
.sbt-contact-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;text-align:center;transition:transform .2s,border-color .2s;}
.sbt-contact-card:hover{transform:translateY(-3px);border-color:rgba(37,99,235,0.25);}
.sbt-contact-card .icon{font-size:28px;margin-bottom:12px;}
.sbt-contact-card h3{font-size:14px;font-weight:700;margin-bottom:6px;color:var(--text);}
.sbt-contact-card p{font-size:13px;color:var(--muted);}
.sbt-contact-card a{color:var(--blue);font-weight:600;font-size:13px;}
.sbt-contact-card a:hover{text-decoration:underline;}

/* ═══ FOOTER ═══ */
.sbt-footer{
  background:var(--surface2);border-top:1px solid var(--border);
  padding:40px 5%;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;
}
.sbt-footer-left p{font-size:13px;color:var(--muted);margin-top:6px;}
.sbt-footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.sbt-footer-links a{font-size:13px;color:var(--muted);transition:color .2s;}
.sbt-footer-links a:hover{color:var(--blue);}

/* ═══ WHATSAPP FLOAT ═══ */
.sbt-wa{
  position:fixed;bottom:28px;right:28px;z-index:9999;
  width:56px;height:56px;border-radius:50%;
  background:#25d366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(37,197,102,0.45);
  transition:transform .2s,box-shadow .2s;
  animation:sbt-wa-bounce 3s ease-in-out infinite 4s;
}
.sbt-wa:hover{transform:scale(1.1);box-shadow:0 8px 28px rgba(37,197,102,0.55);}
@keyframes sbt-wa-bounce{0%,100%{transform:scale(1);}50%{transform:scale(1.08);}}
.sbt-wa svg{width:28px;height:28px;fill:#fff;}

/* ═══ DEMO MODAL ═══ */
.sbt-modal-overlay{
  position:fixed;inset:0;z-index:10000;
  background:rgba(0,0,0,0.75);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  animation:sbt-fade-in .2s ease;
}
@keyframes sbt-fade-in{from{opacity:0;}to{opacity:1;}}
.sbt-modal-box{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:20px;
  padding:40px 36px;
  max-width:460px;width:100%;
  position:relative;
  box-shadow:0 24px 64px rgba(0,0,0,0.4);
  animation:sbt-slide-up .25s ease;
  max-height:90vh;overflow-y:auto;
}
[data-theme="dark"] .sbt-modal-box{background:linear-gradient(145deg,#0f1f3d,#0d1117);}
@keyframes sbt-slide-up{from{transform:translateY(30px);opacity:0;}to{transform:translateY(0);opacity:1;}}
.sbt-modal-close{
  position:absolute;top:16px;right:18px;
  background:none;border:none;cursor:pointer;
  font-size:22px;color:var(--muted);
  width:32px;height:32px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s,color .2s;
}
.sbt-modal-close:hover{background:var(--bg2);color:var(--text);}
.sbt-modal-icon{font-size:40px;text-align:center;margin-bottom:12px;}
.sbt-modal-title{font-size:22px;font-weight:900;text-align:center;margin-bottom:8px;color:var(--text);}
.sbt-modal-sub{font-size:14px;color:var(--muted);text-align:center;margin-bottom:24px;line-height:1.5;}
.sbt-field{margin-bottom:16px;}
.sbt-field label{display:block;font-size:13px;font-weight:600;color:var(--text2);margin-bottom:6px;}
.sbt-field label span{color:#ef4444;}
.sbt-field input{
  width:100%;padding:11px 14px;
  background:var(--bg2);
  border:1.5px solid var(--border);
  border-radius:10px;
  font-size:14px;color:var(--text);
  outline:none;transition:border-color .2s,box-shadow .2s;
  font-family:inherit;
}
.sbt-field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,0.12);}
.sbt-field input::placeholder{color:var(--muted);}
.sbt-form-error{
  background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.3);
  color:#ef4444;font-size:13px;border-radius:8px;
  padding:10px 14px;margin-bottom:14px;
}
.sbt-modal-submit{width:100%;justify-content:center;font-size:15px;padding:14px;border:none;cursor:pointer;}
.sbt-spinner{
  display:inline-block;width:14px;height:14px;
  border:2px solid rgba(255,255,255,0.3);border-top-color:#fff;
  border-radius:50%;animation:sbt-spin .7s linear infinite;
  vertical-align:middle;margin-right:6px;
}
@keyframes sbt-spin{to{transform:rotate(360deg);}}
.sbt-modal-note{font-size:11.5px;color:var(--muted);text-align:center;margin-top:14px;line-height:1.5;}
.sbt-modal-note a{color:var(--blue);}
/* Credentials box */
.sbt-creds-box{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:14px;padding:8px 0;margin-bottom:8px;
}
.sbt-cred-row{
  display:flex;align-items:center;gap:10px;
  padding:11px 16px;border-bottom:1px solid var(--border);
}
.sbt-cred-row:last-child{border:none;}
.sbt-cred-label{font-size:12px;font-weight:600;color:var(--muted);min-width:110px;}
.sbt-cred-val{font-size:13px;font-weight:700;color:var(--text);flex:1;word-break:break-all;font-family:monospace;}
.sbt-copy-btn{
  background:rgba(37,99,235,0.1);border:1px solid rgba(37,99,235,0.25);
  color:var(--blue);font-size:11px;font-weight:700;
  padding:3px 10px;border-radius:6px;cursor:pointer;
  transition:background .2s;white-space:nowrap;
}
.sbt-copy-btn:hover{background:rgba(37,99,235,0.2);}
.sbt-copy-btn.copied{background:rgba(34,197,94,0.15);border-color:rgba(34,197,94,0.3);color:#22c55e;}

/* ═══ REVEAL ANIMATIONS ═══ */
.sbt-reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.sbt-reveal.visible{opacity:1;transform:translateY(0);}
.sbt-reveal-delay-1{transition-delay:.1s;}
.sbt-reveal-delay-2{transition-delay:.2s;}
.sbt-reveal-delay-3{transition-delay:.3s;}

/* ═══ RESPONSIVE ═══ */
@media(max-width:900px){
  .sbt-hero{flex-direction:column;padding-top:100px;gap:30px;}
  .sbt-hero-visual{min-height:320px;}
  .sbt-device-scene{width:300px;height:340px;}
  .sbt-stats-bar{grid-template-columns:repeat(2,1fr);}
  .sbt-steps::before{display:none;}
}
@media(max-width:640px){
  .sbt-nav-links{display:none;}
  .sbt-hamburger{display:flex;}
  .sbt-hero-ctas .sbt-btn-outline{display:none;}
  .sbt-stats-bar{grid-template-columns:repeat(2,1fr);}
  .sbt-demo-box{padding:40px 20px;}
  .sbt-demo-creds{flex-direction:column;gap:10px;}
  .sbt-footer{flex-direction:column;text-align:center;}
}