/* ============================================================
   CRYPTIQ — Premium Cyber-Futuristic Stylesheet
   ============================================================ */

:root{
  --black: #03040a;
  --panel: #0a0d18;
  --panel-2: #0d1120;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --blue: #3da9ff;
  --blue-2: #7fd4ff;
  --blue-deep: #1c5fff;
  --white: #f4f7fb;
  --muted: #8d97ad;
  --muted-2: #6b7488;
  --green: #34f5b0;
  --red: #ff5d6c;
  --amber: #ffb84d;
  --cyan: #54e8ff;
  --radius: 18px;
  --radius-sm: 10px;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  background:var(--black);
  color:var(--white);
  font-family:var(--font-body);
  overflow-x:hidden;
  min-height:100vh;
  position:relative;
  line-height:1.5;
}

::selection{background:rgba(61,169,255,0.35);}

a{color:inherit;text-decoration:none;}

/* ---------- Background layers ---------- */
#bg-canvas{
  position:fixed;
  inset:0;
  z-index:0;
  width:100%;
  height:100%;
  pointer-events:none;
}

.grid-floor{
  position:fixed;
  inset:0;
  z-index:0;
  background-image:
    linear-gradient(rgba(61,169,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,169,255,0.07) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 10%, transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 10%, transparent 70%);
  animation:gridDrift 30s linear infinite;
  pointer-events:none;
}

@keyframes gridDrift{
  0%{background-position:0 0;}
  100%{background-position:48px 48px;}
}

/* ---------- Layout helpers ---------- */
.section{
  position:relative;
  z-index:1;
  max-width:1200px;
  margin:0 auto;
  padding:140px 32px 80px;
}
.section-alt{background:linear-gradient(180deg, transparent, rgba(61,169,255,0.025), transparent);}
.section-demo{padding-bottom:160px;}

.section-head{
  text-align:center;
  max-width:640px;
  margin:0 auto 64px;
}
.section-tag{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.18em;
  color:var(--blue-2);
  border:1px solid rgba(61,169,255,0.3);
  background:rgba(61,169,255,0.08);
  padding:6px 14px;
  border-radius:100px;
  margin-bottom:18px;
}
.section-head h2{
  font-family:var(--font-display);
  font-size:42px;
  font-weight:600;
  margin-bottom:14px;
  letter-spacing:-0.01em;
}
.section-head p{color:var(--muted);font-size:16px;}

/* ---------- Reveal animation ---------- */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity 0.8s cubic-bezier(.16,1,.3,1), transform 0.8s cubic-bezier(.16,1,.3,1);
}
.reveal.in-view{
  opacity:1;
  transform:translateY(0);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:13.5px;
  letter-spacing:0.04em;
  padding:13px 24px;
  border-radius:100px;
  cursor:pointer;
  border:1px solid transparent;
  transition:all 0.25s cubic-bezier(.16,1,.3,1);
  white-space:nowrap;
}
.btn-lg{padding:16px 30px;font-size:14.5px;}
.btn-block{width:100%;justify-content:center;}

.btn-primary{
  background:linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color:#fff;
  box-shadow:0 0 0 1px rgba(61,169,255,0.4), 0 8px 24px -8px rgba(61,169,255,0.6);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(61,169,255,0.6), 0 14px 32px -8px rgba(61,169,255,0.8);
}

.btn-outline{
  background:rgba(255,255,255,0.02);
  border:1px solid var(--border-strong);
  color:var(--white);
}
.btn-outline:hover{
  border-color:rgba(61,169,255,0.5);
  background:rgba(61,169,255,0.06);
  transform:translateY(-2px);
}

.btn-ghost{
  color:var(--muted);
  padding:13px 18px;
}
.btn-ghost:hover{color:var(--white);}

.btn:disabled{opacity:0.6;cursor:not-allowed;transform:none !important;}

.btn-spinner{
  width:15px;height:15px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,0.35);
  border-top-color:#fff;
  animation:spin 0.7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- Navbar ---------- */
.navbar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:50;
  backdrop-filter:blur(16px) saturate(140%);
  background:rgba(3,4,10,0.6);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1280px;
  margin:0 auto;
  padding:16px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:flex;align-items:center;gap:10px;
  color:var(--white);
}
.logo-mark{color:var(--blue);display:flex;}
.logo-text{
  font-family:var(--font-display);
  font-weight:700;
  font-size:19px;
  letter-spacing:0.06em;
}
.nav-links{
  display:flex;
  gap:36px;
  list-style:none;
}
.nav-links a{
  font-size:14px;
  color:var(--muted);
  transition:color 0.2s;
}
.nav-links a:hover{color:var(--white);}
.nav-cta{display:flex;gap:10px;}

@media (max-width: 900px){
  .nav-links{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  z-index:1;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:160px 24px 60px;
}
.hero-bg-glow{
  position:absolute;
  top:-10%;left:50%;
  transform:translateX(-50%);
  width:900px;height:900px;
  background:radial-gradient(circle, rgba(61,169,255,0.18) 0%, transparent 65%);
  pointer-events:none;
  z-index:-1;
}
.hero-content{max-width:880px;}

.tee-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.14em;
  color:var(--green);
  border:1px solid rgba(52,245,176,0.3);
  background:rgba(52,245,176,0.07);
  padding:8px 16px;
  border-radius:100px;
  margin-bottom:30px;
}
.pulse-dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 0 rgba(52,245,176,0.7);
  animation:pulseDot 2s infinite;
}
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(52,245,176,0.55);}
  70%{box-shadow:0 0 0 9px rgba(52,245,176,0);}
  100%{box-shadow:0 0 0 0 rgba(52,245,176,0);}
}

.hero-title{
  font-family:var(--font-display);
  font-size:clamp(40px, 6.4vw, 78px);
  font-weight:700;
  line-height:1.08;
  letter-spacing:-0.02em;
  margin-bottom:24px;
}
.gradient-text{
  background:linear-gradient(135deg, var(--blue-2) 0%, var(--blue) 45%, #b9e8ff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero-subtitle{
  font-size:18px;
  color:var(--muted);
  max-width:600px;
  margin:0 auto 38px;
}

.hero-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
  margin-bottom:70px;
}

/* ---------- Hero enclave visual ---------- */
.hero-visual{display:flex;flex-direction:column;align-items:center;gap:18px;}
.enclave-stage{
  position:relative;
  width:280px;height:280px;
  display:flex;align-items:center;justify-content:center;
}
.enclave-ring{
  position:absolute;
  border:1px solid rgba(61,169,255,0.25);
  border-radius:50%;
}
.r1{width:130px;height:130px;animation:spinSlow 12s linear infinite;}
.r2{width:190px;height:190px;border-style:dashed;animation:spinSlow 20s linear infinite reverse;}
.r3{width:250px;height:250px;animation:spinSlow 32s linear infinite;}
@keyframes spinSlow{to{transform:rotate(360deg);}}

.enclave-core{
  position:absolute;
  width:88px;height:88px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 30%, rgba(61,169,255,0.35), rgba(10,13,24,0.9));
  border:1px solid rgba(61,169,255,0.5);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 50px rgba(61,169,255,0.45), inset 0 0 30px rgba(61,169,255,0.25);
  animation:corePulse 3s ease-in-out infinite;
}
@keyframes corePulse{
  0%,100%{box-shadow:0 0 40px rgba(61,169,255,0.35), inset 0 0 24px rgba(61,169,255,0.2);}
  50%{box-shadow:0 0 64px rgba(61,169,255,0.6), inset 0 0 34px rgba(61,169,255,0.35);}
}
.enclave-core-label{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.1em;
  color:var(--blue-2);
}

.enclave-file{
  position:absolute;
  top:8px;
  color:var(--white);
  background:var(--panel);
  border:1px solid var(--border-strong);
  border-radius:10px;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  animation:fileTravel 3.6s ease-in-out infinite;
}
@keyframes fileTravel{
  0%{top:8px;opacity:1;}
  45%{top:118px;opacity:1;}
  55%{top:118px;opacity:0;}
  100%{top:8px;opacity:0;}
}

.enclave-cert{
  position:absolute;
  bottom:8px;
  color:var(--green);
  background:var(--panel);
  border:1px solid rgba(52,245,176,0.4);
  border-radius:10px;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  opacity:0;
  animation:certAppear 3.6s ease-in-out infinite;
}
@keyframes certAppear{
  0%,55%{opacity:0;bottom:8px;transform:scale(0.7);}
  70%{opacity:1;transform:scale(1.08);}
  85%,100%{opacity:1;bottom:8px;transform:scale(1);}
}

.hash-stream{
  position:absolute;
  width:100%;height:100%;
  font-family:var(--font-mono);
  font-size:9px;
  color:rgba(61,169,255,0.5);
  pointer-events:none;
}

.enclave-caption{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--blue-2);
  letter-spacing:0.04em;
  min-height:18px;
}

/* ---------- Scroll cue ---------- */
.scroll-cue{
  position:absolute;
  bottom:32px;left:50%;
  transform:translateX(-50%);
}
.scroll-cue span{
  display:block;
  width:1px;height:40px;
  background:linear-gradient(180deg, var(--blue), transparent);
  animation:scrollCue 2s ease-in-out infinite;
}
@keyframes scrollCue{
  0%{opacity:0;transform:scaleY(0.4);transform-origin:top;}
  50%{opacity:1;transform:scaleY(1);}
  100%{opacity:0;transform:scaleY(0.4);transform-origin:bottom;}
}

/* ---------- How it works ---------- */
.steps-grid{
  display:flex;
  align-items:flex-start;
  justify-content:center;
  flex-wrap:wrap;
  gap:0;
}
.step-card{
  background:linear-gradient(160deg, var(--panel) 0%, var(--panel-2) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:30px 24px;
  width:230px;
  position:relative;
  transition:transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.step-card:hover{
  transform:translateY(-6px);
  border-color:rgba(61,169,255,0.35);
  box-shadow:0 16px 40px -16px rgba(61,169,255,0.3);
}
.step-number{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--muted-2);
  margin-bottom:14px;
}
.step-icon{
  width:52px;height:52px;
  border-radius:14px;
  background:rgba(61,169,255,0.08);
  border:1px solid rgba(61,169,255,0.25);
  color:var(--blue-2);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.step-card h3{font-family:var(--font-display);font-size:17px;margin-bottom:8px;}
.step-card p{font-size:13.5px;color:var(--muted);line-height:1.55;}
.step-connector{
  width:44px;height:1px;
  background:linear-gradient(90deg, rgba(61,169,255,0.5), rgba(61,169,255,0.1));
  margin-top:64px;
  align-self:center;
}
@media (max-width: 1100px){
  .step-connector{display:none;}
  .steps-grid{gap:20px;}
}

/* ---------- Why it matters ---------- */
.problem-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:20px;
}
@media (max-width: 1000px){.problem-grid{grid-template-columns:repeat(2, 1fr);}}
@media (max-width: 560px){.problem-grid{grid-template-columns:1fr;}}

.problem-card{
  background:rgba(255,255,255,0.02);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 22px;
  transition:transform 0.3s, border-color 0.3s;
}
.problem-card:hover{transform:translateY(-5px);border-color:var(--border-strong);}
.problem-icon{
  width:50px;height:50px;
  border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
  background:rgba(255,255,255,0.04);
}
.glow-red{color:var(--red);box-shadow:inset 0 0 0 1px rgba(255,93,108,0.3);}
.glow-amber{color:var(--amber);box-shadow:inset 0 0 0 1px rgba(255,184,77,0.3);}
.glow-blue{color:var(--blue-2);box-shadow:inset 0 0 0 1px rgba(61,169,255,0.3);}
.glow-cyan{color:var(--cyan);box-shadow:inset 0 0 0 1px rgba(84,232,255,0.3);}
.problem-card h3{font-family:var(--font-display);font-size:17px;margin-bottom:10px;}
.problem-card p{font-size:13.5px;color:var(--muted);line-height:1.6;}

/* ---------- Architecture flow ---------- */
.flow-diagram{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  flex-wrap:wrap;
  margin-bottom:50px;
  padding:40px 20px;
  background:rgba(255,255,255,0.015);
  border:1px solid var(--border);
  border-radius:var(--radius);
}
.flow-node{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  width:120px;
  text-align:center;
}
.flow-icon{
  width:54px;height:54px;
  border-radius:50%;
  background:var(--panel);
  border:1px solid var(--border-strong);
  color:var(--blue-2);
  display:flex;align-items:center;justify-content:center;
}
.flow-node-highlight .flow-icon{
  border-color:var(--blue);
  box-shadow:0 0 24px rgba(61,169,255,0.5);
  color:var(--blue-2);
}
.flow-node span{font-size:12.5px;color:var(--muted);font-family:var(--font-mono);}
.flow-arrow{
  width:46px;height:1px;
  background:linear-gradient(90deg, transparent, rgba(61,169,255,0.5), transparent);
  position:relative;
}
.flow-pulse{
  position:absolute;top:-2px;left:0;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--blue-2);
  box-shadow:0 0 8px var(--blue-2);
  animation:flowMove 2.4s linear infinite;
}
@keyframes flowMove{
  0%{left:0;opacity:0;}
  10%{opacity:1;}
  90%{opacity:1;}
  100%{left:100%;opacity:0;}
}
@media (max-width: 760px){
  .flow-diagram{flex-direction:column;}
  .flow-arrow{width:1px;height:30px;}
}

.trust-indicator{
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px 26px;
  border-radius:var(--radius);
  background:rgba(52,245,176,0.05);
  border:1px solid rgba(52,245,176,0.3);
  box-shadow:0 0 30px -10px rgba(52,245,176,0.3);
}
.trust-dot{
  width:14px;height:14px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 0 rgba(52,245,176,0.6);
  animation:pulseDot 2s infinite;
  flex-shrink:0;
}
.trust-indicator strong{font-family:var(--font-display);font-size:14.5px;color:var(--green);letter-spacing:0.03em;}
.trust-indicator p{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- Demo split ---------- */
.demo-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  align-items:start;
}
@media (max-width: 880px){.demo-split{grid-template-columns:1fr;}}

.demo-col{
  display:flex;
  flex-direction:column;
  gap:24px;
}

.panel{
  background:linear-gradient(160deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  backdrop-filter:blur(20px);
  border:1px solid var(--border);
  border-radius:24px;
  padding:32px;
  position:relative;
  overflow:hidden;
}
.panel::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:24px;
  background:radial-gradient(circle at 0% 0%, rgba(61,169,255,0.12), transparent 50%);
  pointer-events:none;
}
.panel-stamp{border-color:rgba(61,169,255,0.25);}
.panel-verify{border-color:rgba(84,232,255,0.18);}

.panel-header{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:26px;
  position:relative;
  z-index:1;
}
.panel-icon-wrap{
  width:46px;height:46px;
  border-radius:13px;
  background:rgba(61,169,255,0.12);
  border:1px solid rgba(61,169,255,0.3);
  color:var(--blue-2);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.panel-icon-verify{
  background:rgba(84,232,255,0.1);
  border-color:rgba(84,232,255,0.3);
  color:var(--cyan);
}
.panel-header h3{font-family:var(--font-display);font-size:18px;letter-spacing:0.04em;}
.panel-header p{font-size:12.5px;color:var(--muted);margin-top:2px;}

.panel-form{
  display:flex;
  flex-direction:column;
  gap:18px;
  position:relative;
  z-index:1;
}
.field{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.field input[type="text"]{
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  padding:13px 14px;
  color:var(--white);
  font-size:14.5px;
  font-family:var(--font-body);
  outline:none;
  transition:border-color 0.2s, box-shadow 0.2s;
}
.field input[type="text"]:focus{
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(61,169,255,0.15);
}

.origin-toggle{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.origin-toggle input{display:none;}
.origin-toggle label{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 10px;
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  font-size:13px;
  color:var(--muted);
  cursor:pointer;
  transition:all 0.2s;
}
.origin-toggle input:checked + label{
  border-color:var(--blue);
  background:rgba(61,169,255,0.1);
  color:var(--blue-2);
  box-shadow:0 0 16px -4px rgba(61,169,255,0.5);
}

.dropzone{
  border:1.5px dashed var(--border-strong);
  border-radius:var(--radius-sm);
  padding:30px 16px;
  text-align:center;
  cursor:pointer;
  transition:border-color 0.2s, background 0.2s;
  position:relative;
}
.dropzone:hover, .dropzone.drag-over{
  border-color:var(--blue);
  background:rgba(61,169,255,0.05);
}
.dz-hint{display:block;font-size:13.5px;color:var(--muted);}
.dz-filename{
  display:block;
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--blue-2);
  word-break:break-all;
}

/* ---------- Result zone ---------- */
.result-zone{
  margin-top:22px;
  position:relative;
  z-index:1;
}

.result-card{
  border-radius:var(--radius-sm);
  padding:20px;
  border:1px solid var(--border-strong);
  animation:resultIn 0.5s cubic-bezier(.16,1,.3,1);
}
@keyframes resultIn{
  from{opacity:0;transform:translateY(10px);}
  to{opacity:1;transform:translateY(0);}
}

.result-card.verified{border-color:rgba(52,245,176,0.4);background:rgba(52,245,176,0.06);}
.result-card.tampered{border-color:rgba(255,184,77,0.4);background:rgba(255,184,77,0.06);}
.result-card.none{border-color:rgba(255,93,108,0.4);background:rgba(255,93,108,0.06);}
.result-card.error{border-color:rgba(255,93,108,0.4);background:rgba(255,93,108,0.06);}

.result-status{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:15px;
  letter-spacing:0.03em;
  margin-bottom:12px;
}
.result-status.verified{color:var(--green);}
.result-status.tampered{color:var(--amber);}
.result-status.none{color:var(--red);}

.result-row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  padding:7px 0;
  border-bottom:1px solid rgba(255,255,255,0.05);
}
.result-row:last-child{border-bottom:none;}
.result-row .label{color:var(--muted-2);flex-shrink:0;}
.result-row .value{
  font-family:var(--font-mono);
  color:var(--white);
  text-align:right;
  word-break:break-all;
}

.result-actions{
  display:flex;
  gap:10px;
  margin-top:16px;
}
.mini-btn{
  font-family:var(--font-mono);
  font-size:11.5px;
  padding:8px 14px;
  border-radius:8px;
  border:1px solid var(--border-strong);
  color:var(--muted);
  cursor:pointer;
  background:transparent;
  transition:all 0.2s;
}
.mini-btn:hover{color:var(--white);border-color:var(--blue);}

/* ---------- Recent certificates ---------- */
.recent-panel{padding:28px;}
.recent-icon-wrap{
  background:rgba(125,212,255,0.1);
  border-color:rgba(125,212,255,0.3);
  color:var(--blue-2);
}

.recent-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  position:relative;
  z-index:1;
}

.recent-empty{
  font-size:13px;
  color:var(--muted-2);
  text-align:center;
  padding:24px 12px;
  border:1px dashed var(--border);
  border-radius:var(--radius-sm);
}

.recent-item{
  display:flex;
  align-items:center;
  gap:14px;
  padding:13px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,0.02);
  cursor:pointer;
  transition:border-color 0.2s, background 0.2s, transform 0.2s;
  text-align:left;
  width:100%;
}
.recent-item:hover{
  border-color:rgba(61,169,255,0.4);
  background:rgba(61,169,255,0.06);
  transform:translateX(2px);
}

.recent-item-badge{
  flex-shrink:0;
  width:36px;height:36px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(61,169,255,0.1);
  border:1px solid rgba(61,169,255,0.25);
  color:var(--blue-2);
}
.recent-item-badge.ai{
  background:rgba(84,232,255,0.1);
  border-color:rgba(84,232,255,0.25);
  color:var(--cyan);
}

.recent-item-body{
  flex:1;
  min-width:0;
}
.recent-item-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
}
.recent-item-creator{
  font-family:var(--font-display);
  font-size:13.5px;
  font-weight:600;
  color:var(--white);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.recent-item-origin{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:0.04em;
  padding:3px 8px;
  border-radius:100px;
  white-space:nowrap;
  flex-shrink:0;
}
.recent-item-origin.human{color:var(--blue-2);background:rgba(61,169,255,0.1);}
.recent-item-origin.ai{color:var(--cyan);background:rgba(84,232,255,0.1);}

.recent-item-meta{
  display:flex;
  justify-content:space-between;
  gap:10px;
  margin-top:4px;
  font-size:11.5px;
  color:var(--muted);
}
.recent-item-file{
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  font-family:var(--font-mono);
}
.recent-item-time{
  flex-shrink:0;
  color:var(--muted-2);
}

/* ---------- Modal certificate ---------- */
.modal-overlay{
  position:fixed;
  inset:0;
  z-index:100;
  background:rgba(0,0,0,0.7);
  backdrop-filter:blur(6px);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition:opacity 0.3s;
  padding:24px;
}
.modal-overlay.active{opacity:1;pointer-events:all;}

.cert-modal{
  width:100%;
  max-width:520px;
  background:linear-gradient(160deg, #0b1020, #060810);
  border:1px solid rgba(61,169,255,0.35);
  border-radius:22px;
  padding:36px;
  position:relative;
  box-shadow:0 0 80px -10px rgba(61,169,255,0.4);
  transform:scale(0.92);
  transition:transform 0.3s cubic-bezier(.16,1,.3,1);
  max-height:85vh;
  overflow-y:auto;
}
.modal-overlay.active .cert-modal{transform:scale(1);}

.cert-close{
  position:absolute;
  top:20px;right:20px;
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--border-strong);
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.cert-close:hover{color:var(--white);border-color:var(--blue);}

.cert-seal{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 30%, rgba(61,169,255,0.4), rgba(10,13,24,0.9));
  border:1px solid rgba(61,169,255,0.5);
  display:flex;align-items:center;justify-content:center;
  color:var(--blue-2);
  box-shadow:0 0 40px rgba(61,169,255,0.45);
  animation:sealSpin 6s linear infinite;
}
@keyframes sealSpin{to{transform:rotate(360deg);}}

.cert-title{
  text-align:center;
  font-family:var(--font-display);
  font-size:20px;
  letter-spacing:0.06em;
  margin-bottom:4px;
}
.cert-subtitle{
  text-align:center;
  font-size:12px;
  color:var(--muted);
  font-family:var(--font-mono);
  margin-bottom:26px;
}

.cert-field{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,0.06);
  font-size:13px;
}
.cert-field .k{color:var(--muted-2);flex-shrink:0;}
.cert-field .v{
  font-family:var(--font-mono);
  text-align:right;
  word-break:break-all;
  color:var(--white);
}
.cert-field .v.tag-human{color:var(--blue-2);}
.cert-field .v.tag-ai{color:var(--cyan);}

.cert-actions{
  display:flex;
  gap:10px;
  margin-top:24px;
}

/* ---------- Footer ---------- */
.footer{
  position:relative;
  z-index:1;
  border-top:1px solid var(--border);
  padding:50px 32px;
  text-align:center;
}
.footer-brand{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--blue-2);
  margin-bottom:12px;
}
.footer p{color:var(--muted);font-size:13px;max-width:480px;margin:0 auto;}
.footer-fine{margin-top:14px;font-size:11.5px;color:var(--muted-2);}

/* ---------- Toast ---------- */
.toast{
  position:fixed;
  bottom:28px;left:50%;
  transform:translateX(-50%) translateY(20px);
  background:var(--panel);
  border:1px solid var(--border-strong);
  border-radius:100px;
  padding:12px 22px;
  font-size:13px;
  z-index:200;
  opacity:0;
  pointer-events:none;
  transition:all 0.3s cubic-bezier(.16,1,.3,1);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:all;}

@media (max-width: 640px){
  .hero-title{font-size:38px;}
  .section{padding:100px 20px 60px;}
  .panel{padding:24px;}
}

/* ---------- Account system (STAMP IT only) ---------- */
.auth-bar{
  display:flex;
  justify-content:flex-end;
  margin-bottom:-4px;
}
.auth-link{
  font-size:12.5px;
  font-family:var(--font-mono);
  color:var(--blue-2);
  border-bottom:1px solid rgba(61,169,255,0.4);
  transition:color 0.2s;
}
.auth-link:hover{color:var(--white);}

.verified-badge{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--green);
  margin-left:8px;
}

.auth-user-info{
  font-size:11.5px;
  color:var(--muted-2);
  margin-top:4px;
}
.auth-user-info #authUserEmail{color:var(--muted);}
.auth-user-info a{
  color:var(--blue-2);
  border-bottom:1px solid rgba(61,169,255,0.3);
}
.auth-user-info a:hover{color:var(--white);}

.field input[type="text"]:read-only{
  opacity:0.75;
  cursor:not-allowed;
}

.field input[type="email"],
.field input[type="password"]{
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  padding:13px 14px;
  color:var(--white);
  font-size:14.5px;
  font-family:var(--font-body);
  outline:none;
  transition:border-color 0.2s, box-shadow 0.2s;
}
.field input[type="email"]:focus,
.field input[type="password"]:focus{
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(61,169,255,0.15);
}

.auth-modal{max-width:380px;}
.auth-form[hidden]{display:none;}
.auth-tabs{
  display:flex;
  gap:8px;
  margin-bottom:22px;
}
.auth-tab{
  flex:1;
  padding:10px;
  border-radius:var(--radius-sm);
  border:1px solid var(--border-strong);
  background:transparent;
  color:var(--muted);
  font-family:var(--font-display);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  transition:all 0.2s;
}
.auth-tab.active{
  border-color:var(--blue);
  background:rgba(61,169,255,0.1);
  color:var(--blue-2);
}
.auth-error{
  font-size:12.5px;
  color:var(--red);
  min-height:14px;
}

.signature-badge{
  font-family:var(--font-mono);
  font-size:11px;
  padding:4px 10px;
  border-radius:100px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-bottom:10px;
}
.signature-badge.signed{
  color:var(--green);
  background:rgba(52,245,176,0.08);
  border:1px solid rgba(52,245,176,0.3);
}
.signature-badge.unsigned{
  color:var(--amber);
  background:rgba(255,184,77,0.08);
  border:1px solid rgba(255,184,77,0.3);
}

/* ---------- Recent certificates delete ---------- */
.recent-item{position:relative;}

.recent-delete-btn{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted-2);
  opacity:0;
  transition:opacity 0.2s, color 0.2s, background 0.2s;
}
.recent-item:hover .recent-delete-btn{opacity:1;}
.recent-delete-btn:hover{color:var(--red);background:rgba(255,93,108,0.12);}

.recent-delete-confirm{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:0 14px;
  background:rgba(8,10,18,0.97);
  border-radius:var(--radius-sm);
  z-index:2;
}
.recent-delete-confirm[hidden]{display:none;}
.recent-delete-confirm-text{
  font-size:12px;
  color:var(--white);
  flex:1;
  text-align:left;
}
.recent-delete-actions{
  display:flex;
  gap:8px;
  flex-shrink:0;
}
.recent-delete-yes, .recent-delete-no{
  font-family:var(--font-mono);
  font-size:11px;
  padding:6px 12px;
  border-radius:8px;
  border:1px solid var(--border-strong);
  cursor:pointer;
  transition:all 0.2s;
}
.recent-delete-yes{color:var(--red);border-color:rgba(255,93,108,0.4);}
.recent-delete-yes:hover{background:rgba(255,93,108,0.14);}
.recent-delete-no:hover{color:var(--white);border-color:var(--blue);}