/* PII Fortress — Website v1.0 */
/* Matches extension popup aesthetic: dark, glassmorphic, purple→cyan */

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

:root {
  --bg:            #0d0d1a;
  --bg2:           #1a1a2e;
  --bg3:           #16213e;
  --surface:       rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --glass:         rgba(255,255,255,0.05);
  --glass-border:  rgba(255,255,255,0.09);

  --purple:        #ab9ff2;
  --purple-dark:   #7c6fd6;
  --cyan:          #00d4ff;
  --cyan-dark:     #0099cc;
  --green:         #14f195;
  --grad:          linear-gradient(135deg, #ab9ff2 0%, #00d4ff 100%);
  --grad-soft:     linear-gradient(135deg, rgba(171,159,242,0.18) 0%, rgba(0,212,255,0.18) 100%);
  --grad-green:    linear-gradient(135deg, #14f195 0%, #00d4ff 100%);

  --danger:        #ff6b6b;
  --warning:       #f59e0b;
  --gold:          #ffd700;

  --text:          #ffffff;
  --text-sec:      rgba(255,255,255,0.58);
  --text-dim:      rgba(255,255,255,0.28);

  --radius:        14px;
  --radius-sm:     8px;
  --radius-lg:     20px;

  --shadow:        0 8px 32px rgba(0,0,0,0.45);
  --shadow-glow:   0 0 40px rgba(171,159,242,0.18);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Noise / ambient background ──────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 5%,  rgba(171,159,242,0.10) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 95%, rgba(0,212,255,0.07)   0%, transparent 55%),
    radial-gradient(ellipse at 80% 10%, rgba(20,241,149,0.04)  0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* ── Utilities ───────────────────────────────────────────────── */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.green-text {
  background: var(--grad-green);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.section    { padding: 96px 0; }

/* ── Nav ─────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 64px;
  background: rgba(13,13,26,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}
.nav-logo   { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo-icon { width: 30px; height: 30px; filter: drop-shadow(0 0 8px rgba(171,159,242,0.5)); }
.nav-logo-name {
  font-size: 18px; font-weight: 700; letter-spacing: -0.3px;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-links  { display: flex; align-items: center; gap: 32px; }
.nav-link   { color: var(--text-sec); text-decoration: none; font-size: 14px; transition: color .2s; }
.nav-link:hover { color: var(--text); }
.nav-cta    { display: flex; align-items: center; gap: 12px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 50px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  border: none; text-decoration: none; transition: all .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: #0d0d1a;
  box-shadow: 0 4px 20px rgba(171,159,242,0.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(171,159,242,0.5); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: var(--glass);
  color: var(--text-sec);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover { background: var(--surface-hover); color: var(--text); border-color: rgba(255,255,255,0.15); }

.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-sm { padding: 8px 16px;  font-size: 13px; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 12px; border-radius: 50px;
  background: var(--glass); border: 1px solid var(--glass-border);
  font-size: 12px; color: var(--green); font-weight: 600; letter-spacing: .5px;
  margin-bottom: 20px; text-transform: uppercase;
}
.hero-eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:.5; transform:scale(1.3); } }

.hero-h1 {
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 800; line-height: 1.08; letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px; color: var(--text-sec); line-height: 1.65;
  margin-bottom: 36px; max-width: 480px;
}
.hero-actions-wrap { display: flex; flex-direction: column; align-items: center; width: 100%; max-width: 480px; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-note    { font-size: 13px; color: var(--text-dim); margin-top: 14px; text-align: center; }

/* Hero graphic */
.hero-graphic { display: flex; justify-content: center; align-items: center; }
.shield-wrap  {
  position: relative; width: 300px; height: 340px;
  display: flex; align-items: center; justify-content: center;
}
.shield-glow {
  position: absolute; inset: -40px;
  background: radial-gradient(ellipse, rgba(171,159,242,0.18) 0%, transparent 65%);
  animation: glow-pulse 4s ease-in-out infinite;
}
@keyframes glow-pulse { 0%,100% { opacity:.7; } 50% { opacity:1; } }
.shield-svg { width: 240px; opacity: 0.4; position: relative; z-index: 0; filter: drop-shadow(0 0 30px rgba(171,159,242,0.4)); }
@keyframes float-chip { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

/* Orbiting stat chips */
.stat-chip {
  position: absolute;
  z-index: 2;
  background: rgba(26,26,46,1);
  border: 1px solid rgba(171,159,242,0.5);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  backdrop-filter: blur(12px);
  font-size: 12px;
  white-space: nowrap;
  animation: float-chip 5s ease-in-out infinite;
}
.stat-chip strong { display: block; font-size: 16px; font-weight: 700; }
.stat-chip.s1 { top: 18%;  left: -30px;   animation-delay: 0s;    }
.stat-chip.s2 { bottom: 22%; left: -20px;  animation-delay: 1.8s;  }
.stat-chip.s3 { top: 30%;  right: -10px;  animation-delay: 0.9s;  }

/* ── Trust bar ───────────────────────────────────────────────── */
.trust-bar {
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 0;
  padding: 20px 0; border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border);
  background: var(--glass);
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 28px;
  font-size: 13px; color: var(--text-sec); font-weight: 500;
  border-right: 1px solid var(--glass-border);
}
.trust-item:last-child { border-right: none; }
.trust-icon { display: inline-flex; flex-shrink: 0; color: var(--text-sec); }

/* ── Section header ──────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--purple); margin-bottom: 12px;
}
.section-h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -1px; line-height: 1.15; margin-bottom: 14px; }
.section-sub { font-size: 17px; color: var(--text-sec); max-width: 540px; margin: 0 auto; }

/* ── Feature grid ────────────────────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: start; }
.feature-col  { display: flex; flex-direction: column; gap: 10px; }

/* Column-level tier header pill */
.feature-col-header { text-align: center; padding-bottom: 6px; }
.feature-col-badge  {
  display: inline-block; padding: 8px 28px; border-radius: 50px;
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}
.feature-col-badge.free     { background: rgba(20,241,149,0.12); color: var(--green); border: 1.5px solid rgba(20,241,149,0.3); }
.feature-col-badge.sentinel { background: rgba(171,159,242,0.14); color: var(--purple); border: 1.5px solid rgba(171,159,242,0.35); }
.feature-col-badge.vault    { background: rgba(0,212,255,0.1); color: var(--cyan); border: 1.5px solid rgba(0,212,255,0.3); }

.feature-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: all .25s;
  cursor: pointer;
}
.feature-card:hover { background: var(--surface-hover); border-color: rgba(171,159,242,0.2); box-shadow: var(--shadow-glow); }
.feature-card.open  { border-color: rgba(171,159,242,0.25); background: var(--surface-hover); }
.feature-bar { display: flex; align-items: center; gap: 8px; }
.feature-icon-wrap {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(171,159,242,0.08);
  border: 1px solid rgba(171,159,242,0.18);
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
}
.feature-h3 {
  font-size: 16px; font-weight: 700; margin: 0; flex: 1;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.feature-chevron { color: var(--text-dim); flex-shrink: 0; transition: transform .2s; }
.feature-card.open .feature-chevron { transform: rotate(180deg); }
.feature-p { display: none; margin-top: 10px; font-size: 13px; color: var(--text-sec); line-height: 1.6; }
.feature-card.open .feature-p { display: block; }

/* ── Pricing ─────────────────────────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.pricing-card {
  background: linear-gradient(160deg, rgba(171,159,242,0.09) 0%, rgba(0,212,255,0.05) 100%);
  border: 1px solid rgba(171,159,242,0.28);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative; transition: all .25s;
  display: flex; flex-direction: column;
  box-shadow: 0 0 32px rgba(171,159,242,0.16);
}
.pricing-card:hover { transform: translateY(-3px); box-shadow: 0 0 44px rgba(171,159,242,0.26); }
.pricing-card > a.btn { margin-top: auto; }
.pricing-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  padding: 4px 14px; border-radius: 50px; font-size: 12px; font-weight: 700; white-space: nowrap;
  background: var(--grad); color: #0d0d1a;
}
.pricing-tier { font-size: 13px; font-weight: 600; color: var(--text-sec); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.pricing-price { font-size: 40px; font-weight: 800; letter-spacing: -1px; margin-bottom: 4px; line-height: 1; }
.pricing-price span { font-size: 16px; font-weight: 400; color: var(--text-sec); }
.pricing-desc { font-size: 14px; color: var(--text-sec); margin: 12px 0 24px; line-height: 1.5; }
.pricing-divider { border: none; border-top: 1px solid var(--glass-border); margin: 0 0 20px; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 9px; font-size: 14px; color: var(--text-sec); }
.pricing-features li .chk { color: var(--green); flex-shrink: 0; margin-top: 2px; }
.pricing-features li .chk-dim { color: var(--text-dim); flex-shrink: 0; margin-top: 2px; }

.pricing-flow-note {
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: 5px; margin-top: 12px;
  font-size: 11.5px; color: var(--text-dim); text-align: center; line-height: 1.6;
}
.flow-step {
  background: rgba(171,159,242,0.1);
  border: 1px solid rgba(171,159,242,0.2);
  border-radius: 4px; padding: 1px 6px;
  font-size: 11px; font-weight: 600; color: rgba(171,159,242,0.7);
}
.flow-arrow { color: var(--text-dim); font-size: 11px; }

/* ── Privacy commitment ──────────────────────────────────────── */
.privacy-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 52px 56px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.privacy-h2 { font-size: 32px; font-weight: 800; letter-spacing: -.8px; margin-bottom: 14px; }
.privacy-p  { color: var(--text-sec); font-size: 15px; line-height: 1.7; margin-bottom: 20px; }
.privacy-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.privacy-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-sec); }
.privacy-list li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.privacy-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.privacy-stat {
  background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 20px;
  text-align: center;
}
.privacy-stat-num { font-size: 30px; font-weight: 800; letter-spacing: -1px; }
.privacy-stat-label { font-size: 12px; color: var(--text-sec); margin-top: 3px; }

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.footer-logo-name { font-size: 15px; font-weight: 700; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-links { display: flex; gap: 24px; }
.footer-link { color: var(--text-dim); text-decoration: none; font-size: 13px; transition: color .2s; }
.footer-link:hover { color: var(--text-sec); }
.footer-copy { font-size: 12px; color: var(--text-dim); }

/* ── Pay page ────────────────────────────────────────────────── */
.pay-body {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 32px 16px;
}
.pay-card {
  width: 100%; max-width: 440px;
  background: var(--bg2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow), var(--shadow-glow);
}
.pay-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.pay-logo-icon { width: 28px; height: 28px; filter: drop-shadow(0 0 8px rgba(171,159,242,0.5)); }
.pay-logo-name { font-size: 17px; font-weight: 700; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.pay-header { margin-bottom: 24px; }
.pay-title  { font-size: 22px; font-weight: 800; letter-spacing: -.4px; margin-bottom: 6px; }
.pay-sub    { font-size: 14px; color: var(--text-sec); }

.pay-summary {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 22px;
  display: flex; flex-direction: column; gap: 10px;
}
.pay-row  { display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
.pay-row .label { color: var(--text-sec); }
.pay-row .val   { font-weight: 600; }
.pay-row .val.big { font-size: 20px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.pay-divider { border: none; border-top: 1px solid var(--glass-border); }

.pay-btn {
  width: 100%; padding: 15px; border-radius: var(--radius); border: none;
  font-size: 16px; font-weight: 700; cursor: pointer; transition: all .2s;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-bottom: 12px;
}
.pay-btn-mm {
  background: linear-gradient(135deg, #f6851b 0%, #e2761b 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(246,133,27,0.35);
}
.pay-btn-mm:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(246,133,27,0.5); }
.pay-btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

.pay-status {
  text-align: center; padding: 16px; border-radius: var(--radius);
  font-size: 14px; margin-top: 12px; display: none;
}
.pay-status.info    { background: rgba(171,159,242,0.1); border: 1px solid rgba(171,159,242,0.2); color: var(--purple); }
.pay-status.success { background: rgba(20,241,149,0.1);  border: 1px solid rgba(20,241,149,0.2);  color: var(--green); }
.pay-status.error   { background: rgba(255,107,107,0.1); border: 1px solid rgba(255,107,107,0.2); color: var(--danger); }

.pay-status .pay-status-icon { font-size: 28px; display: block; margin-bottom: 6px; }
.pay-status .pay-status-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.pay-status .pay-txhash { font-size: 11px; color: var(--text-dim); word-break: break-all; margin-top: 8px; font-family: monospace; }
.pay-status a { color: var(--cyan); }

.pay-note { font-size: 12px; color: var(--text-dim); text-align: center; margin-top: 14px; line-height: 1.6; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links    { display: none; }
  .hero         { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-graphic { order: -1; }
  .hero-sub     { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .shield-wrap  { width: 220px; height: 250px; }
  .shield-svg   { width: 170px; }
  .stat-chip    { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .privacy-card { grid-template-columns: 1fr; padding: 32px 24px; }
  .trust-item   { padding: 10px 16px; }
  .footer       { flex-direction: column; align-items: flex-start; gap: 20px; }
}
@media (max-width: 680px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .feature-grid { grid-template-columns: 1fr; }
  .privacy-stats { grid-template-columns: 1fr 1fr; }
}

/* ── Theme toggle button ─────────────────────────────────────── */
.theme-toggle {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--glass); border: 1px solid var(--glass-border);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-sec); transition: all .2s; flex-shrink: 0;
}
.theme-toggle:hover { background: var(--surface-hover); color: var(--text); }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ── Light mode ──────────────────────────────────────────────── */
[data-theme="light"] {
  --bg:            #f4f4f9;
  --bg2:           #ebebf4;
  --bg3:           #e4e4f0;
  --surface:       rgba(0,0,0,0.04);
  --surface-hover: rgba(0,0,0,0.07);
  --glass:         rgba(0,0,0,0.04);
  --glass-border:  rgba(0,0,0,0.09);

  --purple:        #6c5fcf;
  --cyan:          #0088bb;
  --green:         #0d9e65;
  --grad:          linear-gradient(135deg, #6c5fcf 0%, #0088bb 100%);
  --grad-soft:     linear-gradient(135deg, rgba(108,95,207,0.15) 0%, rgba(0,136,187,0.15) 100%);
  --grad-green:    linear-gradient(135deg, #0d9e65 0%, #0088bb 100%);

  --text:          #0d0d1a;
  --text-sec:      rgba(13,13,26,0.62);
  --text-dim:      rgba(13,13,26,0.38);

  --shadow:        0 8px 32px rgba(0,0,0,0.10);
  --shadow-glow:   0 0 40px rgba(108,95,207,0.10);
}

/* Ambient glow — subdue in light mode */
[data-theme="light"] body::before { opacity: 0.25; }

/* Nav */
[data-theme="light"] .nav {
  background: rgba(244,244,249,0.92);
  border-bottom-color: rgba(0,0,0,0.08);
}

/* Hero stat chips */
[data-theme="light"] .stat-chip {
  background: rgba(255,255,255,0.97);
  border-color: rgba(108,95,207,0.28);
  color: #0d0d1a;
}

/* Buttons */
[data-theme="light"] .btn-primary { color: #ffffff; }
[data-theme="light"] .pricing-badge { color: #ffffff; }

/* Pricing cards */
[data-theme="light"] .pricing-card {
  background: linear-gradient(160deg, rgba(108,95,207,0.07) 0%, rgba(0,136,187,0.04) 100%);
  border-color: rgba(108,95,207,0.18);
  box-shadow: 0 0 32px rgba(108,95,207,0.07);
}
[data-theme="light"] .pricing-card:hover { box-shadow: 0 0 44px rgba(108,95,207,0.14); }

/* Feature tier badges */
[data-theme="light"] .feature-col-badge.free     { background: rgba(13,158,101,0.10); border-color: rgba(13,158,101,0.25); }
[data-theme="light"] .feature-col-badge.sentinel  { background: rgba(108,95,207,0.10); border-color: rgba(108,95,207,0.25); }
[data-theme="light"] .feature-col-badge.vault     { background: rgba(0,136,187,0.08);  border-color: rgba(0,136,187,0.25); }

/* Privacy stat boxes */
[data-theme="light"] .privacy-stat { background: rgba(0,0,0,0.04); }