/* ============================================================
   SealIt.ai — 2026 Design System
   Clean · Modern · Flashy · Simple
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --blue:       #3B82F6;
  --blue-dark:  #1E40AF;
  --blue-light: #DBEAFE;
  --indigo:     #6366F1;
  --text:       #0F172A;
  --text-2:     #475569;
  --text-3:     #94A3B8;
  --bg:         #F8FAFC;
  --bg-card:    #FFFFFF;
  --border:     #E2E8F0;
  --border-2:   #CBD5E1;
  --success:    #10B981;
  --error:      #EF4444;
  --gold:       #F59E0B;
  --r:          12px;
  --r-lg:       20px;
  --shadow:     0 4px 24px rgba(15,23,42,0.08);
  --shadow-lg:  0 8px 40px rgba(15,23,42,0.12);
  --shadow-blue:0 8px 32px rgba(59,130,246,0.25);
}

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;display:block}

/* ── LAYOUT ── */
.container{max-width:1160px;margin:0 auto;padding:0 24px}

/* ── BUTTONS ── */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--blue);color:#fff;font-weight:700;
  padding:14px 28px;border-radius:var(--r);border:none;
  font-size:16px;cursor:pointer;transition:all 0.2s;
  text-decoration:none;white-space:nowrap;font-family:inherit;
  box-shadow:0 4px 14px rgba(59,130,246,0.4);
}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-blue);text-decoration:none;color:#fff}
.btn-primary:active{transform:translateY(0)}

.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--blue);font-weight:600;
  padding:13px 26px;border-radius:var(--r);border:2px solid var(--blue);
  font-size:15px;cursor:pointer;transition:all 0.2s;
  text-decoration:none;white-space:nowrap;font-family:inherit;
}
.btn-secondary:hover{background:var(--blue);color:#fff;text-decoration:none}

.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--blue);font-weight:700;
  padding:14px 32px;border-radius:var(--r);border:none;
  font-size:16px;cursor:pointer;transition:all 0.2s;
  text-decoration:none;font-family:inherit;
  box-shadow:0 4px 14px rgba(0,0,0,0.15);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.2);text-decoration:none}

.btn-lg{padding:18px 40px;font-size:18px;border-radius:var(--r-lg)}
.btn-full{width:100%;justify-content:center}
.btn-header{padding:10px 22px;font-size:14px;border-radius:var(--r)}

.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;color:var(--text-2);font-weight:600;
  padding:8px 16px;border-radius:var(--r);border:1.5px solid var(--border);
  font-size:13px;cursor:pointer;transition:all 0.2s;font-family:inherit;
}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}

/* ── HEADER ── */
header{
  background:rgba(248,250,252,0.8);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:16px 0;position:sticky;top:0;z-index:100;
}
.header-inner{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:22px;font-weight:900;color:var(--text);text-decoration:none;letter-spacing:-0.5px}
.logo span{color:var(--blue)}
.logo:hover{text-decoration:none}

/* ── HERO ── */
.hero{
  background:linear-gradient(135deg,#EFF6FF 0%,#F0F4FF 40%,#F8FAFC 100%);
  padding:90px 0 70px;text-align:center;
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-100px;left:50%;transform:translateX(-50%);
  width:800px;height:800px;
  background:radial-gradient(circle,rgba(99,102,241,0.08) 0%,transparent 70%);
  pointer-events:none;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(59,130,246,0.1);color:var(--blue-dark);
  font-size:13px;font-weight:700;padding:7px 18px;
  border-radius:999px;margin-bottom:28px;
  border:1px solid rgba(59,130,246,0.2);
}
.hero h1{
  font-size:clamp(38px,6vw,68px);font-weight:900;
  line-height:1.05;letter-spacing:-2px;
  color:var(--text);margin-bottom:22px;
}
.hero-highlight{
  background:linear-gradient(135deg,var(--blue),var(--indigo));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-sub{
  font-size:19px;color:var(--text-2);
  max-width:560px;margin:0 auto 36px;
  line-height:1.6;font-weight:400;
}
.hero-actions{margin-bottom:24px;display:flex;flex-direction:column;align-items:center;gap:12px}
.hero-note{font-size:13px;color:var(--text-3);font-weight:500}
.stars{color:var(--gold);font-size:22px;letter-spacing:3px;margin-top:8px}

/* ── SOCIAL PROOF BAR ── */
.social-proof-bar{
  background:var(--bg-card);border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);padding:16px 0;
}
.proof-items{display:flex;justify-content:center;align-items:center;gap:40px;flex-wrap:wrap}
.proof-item{font-size:13px;color:var(--text-2);font-weight:600;display:flex;align-items:center;gap:6px}
.proof-item span{color:var(--blue-dark)}

/* ── TESTIMONIALS ── */
.testimonials-section{padding:80px 0;background:var(--bg-card)}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.testimonial{
  background:var(--bg);border:1px solid var(--border);
  padding:28px;border-radius:var(--r-lg);
  box-shadow:var(--shadow);transition:transform 0.2s,box-shadow 0.2s;
  position:relative;
}
.testimonial::before{content:'"';position:absolute;top:16px;left:20px;font-size:48px;color:var(--blue-light);line-height:1;font-family:Georgia,serif}
.testimonial:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.testimonial-quote{font-size:15px;font-weight:500;color:var(--text);line-height:1.7;margin-bottom:16px;margin-top:24px}
.testimonial-author{font-size:13px;color:var(--text-3);font-weight:600}

/* ── HOW IT WORKS ── */
.how-it-works{
  padding:90px 0;
  background:linear-gradient(180deg,var(--bg) 0%,#EFF6FF 100%);
}
.section-title{
  text-align:center;font-size:clamp(26px,4vw,40px);
  font-weight:900;color:var(--text);margin-bottom:56px;
  letter-spacing:-0.8px;
}
.section-sub{text-align:center;color:var(--text-2);font-size:17px;margin-top:-40px;margin-bottom:56px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}
.step{
  background:var(--bg-card);border:1px solid var(--border);
  padding:40px 32px;border-radius:var(--r-lg);text-align:center;
  box-shadow:var(--shadow);transition:transform 0.2s,box-shadow 0.2s;
  position:relative;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-number{
  width:56px;height:56px;background:linear-gradient(135deg,var(--blue),var(--indigo));
  color:#fff;font-size:22px;font-weight:800;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;box-shadow:0 4px 14px rgba(59,130,246,0.4);
}
.step-title{font-size:18px;font-weight:700;color:var(--text);margin-bottom:10px}
.step-description{font-size:14px;color:var(--text-2);line-height:1.7}

/* ── PRICING ── */
.pricing-section{padding:90px 0;background:var(--bg-card)}
.pricing-box{
  background:var(--bg-card);
  border:2px solid var(--blue);border-radius:var(--r-lg);
  padding:52px 44px;text-align:center;max-width:480px;
  margin:0 auto;box-shadow:var(--shadow-blue);position:relative;
}
.pricing-badge{
  position:absolute;top:-16px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--blue),var(--indigo));
  color:#fff;font-size:12px;font-weight:800;
  padding:6px 20px;border-radius:999px;white-space:nowrap;
  box-shadow:0 4px 12px rgba(59,130,246,0.4);
}
.pricing-box h2{font-size:26px;font-weight:800;color:var(--text);margin-bottom:4px}
.price{
  font-size:72px;font-weight:900;color:var(--blue);
  line-height:1;margin:20px 0 4px;letter-spacing:-3px;
}
.price-label{font-size:14px;color:var(--text-3);margin-bottom:28px;font-weight:500}
.features-list{list-style:none;margin:0 0 36px;text-align:left}
.features-list li{
  padding:11px 0;border-bottom:1px solid var(--border);
  color:var(--text-2);font-size:15px;
  display:flex;align-items:center;gap:12px;
}
.features-list li:last-child{border-bottom:none}
.features-list li::before{content:"✓";color:var(--success);font-weight:700;flex-shrink:0;font-size:16px;background:#ECFDF5;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px}
.pricing-note{font-size:13px;color:var(--text-3);margin-top:18px;font-weight:500}

/* ── DEMO VIDEO ── */
.demo-video-section{
  padding:80px 0;
  background:linear-gradient(180deg,#fff 0%,#F8FAFC 100%);
}
.demo-video-wrapper{max-width:900px;margin:0 auto}
.demo-video-content{text-align:center}
.demo-video-title{
  font-size:clamp(24px,5vw,36px);font-weight:900;
  color:var(--text);margin-bottom:12px;letter-spacing:-0.8px;
}
.demo-video-subtitle{
  font-size:18px;color:var(--text-2);margin-bottom:40px;font-weight:500;
}
.video-frame{
  position:relative;width:100%;padding-bottom:56.25%;
  background:#000;border-radius:16px;overflow:hidden;
  box-shadow:0 16px 48px rgba(15,23,42,0.2);margin-bottom:18px;
  border:1px solid rgba(59,130,246,0.3);
}
.video-frame iframe{
  position:absolute;top:0;left:0;width:100%;height:100%;
}
.video-overlay{
  position:absolute;top:0;left:0;width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,0.3);opacity:0;transition:opacity 0.3s;
  pointer-events:none;
}
.video-frame:hover .video-overlay{opacity:1}
.play-button{
  width:72px;height:72px;border-radius:50%;background:rgba(59,130,246,0.9);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:28px;font-weight:bold;
  box-shadow:0 8px 24px rgba(59,130,246,0.4);
}
.demo-video-subtext{
  font-size:14px;color:var(--text-3);font-weight:500;
}

/* ── FAQ ── */
.faq-section{
  padding:90px 0;
  background:linear-gradient(180deg,#EFF6FF 0%,var(--bg) 100%);
}
.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:20px;max-width:940px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--border);padding:28px 32px;border-radius:var(--r-lg);box-shadow:var(--shadow)}
.faq-question{font-size:17px;font-weight:700;color:var(--text);margin-bottom:10px}
.faq-answer{font-size:15px;color:var(--text-2);line-height:1.7}

/* ── FOOTER CTA ── */
.footer-cta{
  padding:90px 0;
  background:linear-gradient(135deg,var(--blue-dark) 0%,#312E81 100%);
  color:#fff;text-align:center;position:relative;overflow:hidden;
}
.footer-cta::before{
  content:'';position:absolute;top:-200px;right:-100px;
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(255,255,255,0.05) 0%,transparent 70%);
  pointer-events:none;
}
.footer-cta h2{font-size:clamp(26px,4vw,44px);font-weight:900;margin-bottom:16px;letter-spacing:-0.8px}
.footer-cta p{font-size:18px;opacity:0.8;margin-bottom:36px;max-width:500px;margin-left:auto;margin-right:auto}

/* ── SITE FOOTER ── */
.site-footer{background:#0F172A;color:var(--text-3);padding:28px 0;text-align:center;font-size:13px}
.site-footer a{color:var(--text-3)}

/* ============================================================
   APP STYLES
   ============================================================ */

.main-nav{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 28px;
  background:rgba(248,250,252,0.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;
}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-item{font-size:13px;color:var(--text-3);font-weight:500}

.app-container{max-width:780px;margin:0 auto;padding:40px 24px}
.screen{display:none}
.screen.active{display:block}

/* Gate */
.gate-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:56px 48px;
  text-align:center;box-shadow:var(--shadow-lg);
  max-width:520px;margin:48px auto;
}
.gate-icon{font-size:56px;margin-bottom:20px}
.gate-card h2{font-size:30px;font-weight:900;color:var(--text);margin-bottom:12px;letter-spacing:-0.5px}
.gate-card>p{color:var(--text-2);font-size:16px;margin-bottom:28px}
.gate-note{font-size:13px;color:var(--text-3);margin-top:14px;font-weight:500}
.divider{border:none;border-top:1px solid var(--border);margin:28px 0}
.restore-label{font-size:14px;color:var(--text-2);margin-bottom:12px}
.restore-group{display:flex;gap:10px;max-width:380px;margin:0 auto}
.restore-group .input-text{flex:1}
.restore-msg{font-size:13px;margin-top:10px;min-height:20px}
.restore-msg.error{color:var(--error)}
.restore-msg.success{color:var(--success)}

/* Form */
.form-header{margin-bottom:28px}
.form-header h2{font-size:28px;font-weight:900;color:var(--text);margin-bottom:8px;letter-spacing:-0.5px}
.form-header p{color:var(--text-2);font-size:15px}

.branding-box{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--r);padding:20px 24px;margin-bottom:24px;
}
.branding-title{font-size:11px;font-weight:800;color:var(--text-2);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:16px}
.branding-optional{font-weight:400;text-transform:none;letter-spacing:0;color:var(--text-3)}
.branding-row{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}
.logo-drop{
  width:100px;height:76px;border:2px dashed var(--border-2);
  border-radius:var(--r);display:flex;flex-direction:column;
  align-items:center;justify-content:center;cursor:pointer;
  transition:all 0.2s;flex-shrink:0;overflow:hidden;
  position:relative;background:var(--bg-card);
}
.logo-drop:hover{border-color:var(--blue);background:var(--blue-light)}
.logo-drop.filled{border-style:solid;border-color:var(--blue)}
.logo-drop img{width:100%;height:100%;object-fit:contain;padding:6px;display:none}
.logo-placeholder{text-align:center;font-size:11px;color:var(--text-3);line-height:1.4;pointer-events:none;display:flex;flex-direction:column;align-items:center;gap:3px}
.logo-placeholder span{font-size:22px}
.logo-remove{position:absolute;top:4px;right:4px;width:18px;height:18px;background:rgba(15,23,42,0.6);color:#fff;border:none;border-radius:50%;font-size:10px;cursor:pointer;display:none;align-items:center;justify-content:center}
.logo-drop.filled .logo-remove{display:flex}
.branding-colors{display:flex;gap:20px;flex-wrap:wrap;flex:1;align-items:flex-start}
.color-row{display:flex;flex-direction:column;gap:6px}
.color-label{font-size:11px;font-weight:700;color:var(--text-2);text-transform:uppercase;letter-spacing:0.06em}
.color-inputs{display:flex;align-items:center;gap:8px}
.color-inputs input[type="color"]{width:36px;height:36px;border:1.5px solid var(--border);border-radius:8px;padding:2px;cursor:pointer;background:none;flex-shrink:0}
.color-text-input{width:96px!important;padding:8px 10px!important;font-size:13px!important}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-group.full{grid-column:1/-1}
label{font-size:11px;font-weight:800;color:var(--text-2);text-transform:uppercase;letter-spacing:0.08em}

.input-text{
  background:var(--bg-card);border:1.5px solid var(--border);
  color:var(--text);border-radius:var(--r);
  padding:13px 16px;font-size:15px;font-family:'Inter',sans-serif;
  transition:border-color 0.15s,box-shadow 0.15s;outline:none;width:100%;
}
.input-text:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,130,246,0.12)}
.input-text::placeholder{color:var(--text-3)}
textarea.input-text{resize:vertical;min-height:96px}
select.input-text{cursor:pointer}
.form-actions{margin-top:28px}

/* Loading */
.loading-screen{text-align:center;padding:80px 24px;max-width:400px;margin:0 auto}
.spinner{
  width:52px;height:52px;
  border:3px solid var(--border);border-top-color:var(--blue);
  border-radius:50%;animation:spin 0.8s linear infinite;
  margin:0 auto 28px;
}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-screen h2{font-size:24px;font-weight:800;color:var(--text);margin-bottom:8px;letter-spacing:-0.3px}
.loading-sub{font-size:15px;color:var(--text-2)}
.loading-steps{list-style:none;text-align:left;max-width:280px;margin:28px auto 0}
.loading-steps li{padding:10px 0;font-size:14px;color:var(--text-3);display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border);transition:all 0.3s}
.loading-steps li:last-child{border-bottom:none}
.loading-steps li.active{color:var(--text);font-weight:600}
.loading-steps li.done{color:var(--success)}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor;flex-shrink:0}

/* Output */
.success-banner{
  background:#ECFDF5;border:1px solid #A7F3D0;
  border-radius:var(--r);padding:14px 20px;margin-bottom:20px;
  font-size:14px;font-weight:600;color:var(--success);
  display:flex;align-items:center;gap:8px;
}
.output-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.output-header h2{font-size:22px;font-weight:800;color:var(--text);letter-spacing:-0.3px}
.output-actions{display:flex;gap:8px;flex-wrap:wrap}

.btn-action{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--bg);color:var(--text);font-weight:600;font-family:'Inter',sans-serif;
  padding:10px 16px;border-radius:var(--r);border:1.5px solid var(--border);
  font-size:13px;cursor:pointer;transition:all 0.15s;
}
.btn-action:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-light)}
.btn-action-primary{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 2px 8px rgba(59,130,246,0.35)}
.btn-action-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark);color:#fff}
.btn-action-word{background:#1D4ED8;color:#fff;border-color:#1D4ED8}
.btn-action-word:hover{background:#1e3a8a;border-color:#1e3a8a;color:#fff}

.proposal-output{
  background:var(--bg-card);border:1.5px solid var(--border);
  border-radius:var(--r);padding:40px;
  white-space:pre-wrap;font-size:14px;line-height:1.9;
  color:var(--text);max-height:660px;overflow-y:auto;
  font-family:Georgia,serif;
  box-shadow:var(--shadow);
}
.new-proposal-btn{
  margin-top:20px;display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:1.5px solid var(--border);
  color:var(--text-2);padding:12px 24px;border-radius:var(--r);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all 0.2s;font-family:'Inter',sans-serif;
}
.new-proposal-btn:hover{border-color:var(--blue);color:var(--blue)}

.branded-header{
  display:none;background:var(--bg-card);
  border:1.5px solid var(--border);border-bottom:none;
  border-radius:var(--r) var(--r) 0 0;
  padding:16px 24px;align-items:center;justify-content:space-between;
}
.branded-header img{max-height:44px;max-width:140px;object-fit:contain}
#branded-color-dot{width:44px;height:44px;border-radius:50%}
.branded-bar{height:4px;width:100%;display:none}

/* History */
.history-item{
  background:var(--bg-card);border:1.5px solid var(--border);
  border-radius:var(--r);padding:18px 24px;margin-bottom:12px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;cursor:pointer;transition:all 0.2s;
}
.history-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:var(--blue)}
.history-client{font-size:16px;font-weight:700;color:var(--text);margin-bottom:4px}
.history-date{font-size:13px;color:var(--text-3)}

/* ── RESPONSIVE ── */
@media(max-width:768px){
  .container{padding:0 16px}
  .hero{padding:60px 0 44px}
  .hero h1{font-size:36px;letter-spacing:-1px}
  .hero-sub{font-size:16px}
  .section-title{font-size:28px;margin-bottom:36px}
  .faq-grid{grid-template-columns:1fr}
  .pricing-box{padding:40px 24px}
  .footer-cta h2{font-size:28px}
  .proof-items{gap:20px}
  .steps{gap:16px}
  .testimonials-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .app-container{padding:20px 16px}
  .form-grid{grid-template-columns:1fr}
  .gate-card{padding:36px 24px;margin:24px auto}
  .proposal-output{padding:20px;font-size:13px}
  .output-actions{gap:6px}
  .btn-action{padding:9px 12px;font-size:12px}
  .branding-row{flex-direction:column}
  .restore-group{flex-direction:column}
  .main-nav{padding:12px 16px}
  .btn-lg{padding:16px 28px;font-size:16px}
}