:root {
  --bg-deep:    #0a0a0c;
  --bg-surface: #111114;
  --bg-card:    #18181c;
  --bg-hover:   #222228;
  --border:     #2a2a32;
  --border-lt:  #1e1e24;
  --text-main:  #e8e6e3;
  --text-dim:   #8a8890;
  --text-muted: #5a5860;
  --accent:     #6d5cff;
  --accent-glow:#6d5cff33;
  --accent2:    #38bdf8;
  --accent3:    #2dd4a8;
  --warn:       #ff6b4a;
  --font-body:  'DM Sans', system-ui, sans-serif;
  --font-display:'Playfair Display', Georgia, serif;
  --font-mono:  'JetBrains Mono', monospace;
  --radius:     12px;
  --radius-lg:  20px;
  --max-w:      1200px;
  --tr:         .25s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--tr); }
a:hover { filter: brightness(1.25); }
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: white; }

body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999; opacity: .022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}


.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }


.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,12,.82);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border-lt);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-brand {
  font-family: var(--font-mono); font-weight: 500; font-size: 15px;
  color: var(--text-main); letter-spacing: -0.3px;
  display: flex; align-items: center; gap: 10px;
}
.nav-brand .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 12px var(--accent-glow);
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 14px; color: var(--text-dim); font-weight: 500;
  transition: color var(--tr);
}
.nav-links a:hover { color: var(--text-main); }

@media (max-width: 640px) {
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 13px; }
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 10px;
  font-family: var(--font-body); font-size: 15px; font-weight: 600;
  cursor: pointer; border: none; transition: all var(--tr);
}
.btn-primary {
  background: var(--accent); color: white;
  box-shadow: 0 4px 24px var(--accent-glow);
}
.btn-primary:hover {
  filter: brightness(1.15); color: white; transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.btn-ghost {
  background: transparent; color: var(--text-main);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-hover); border-color: var(--text-muted); }
.btn-sm {
  padding: 10px 20px; border-radius: 8px; font-size: 13px;
  font-weight: 600; cursor: pointer; border: none;
  background: var(--accent); color: white; transition: all var(--tr);
}
.btn-sm:hover { filter: brightness(1.15); transform: translateY(-1px); }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 12px; }

/* ═══════════ Section headers ═══════════ */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 {
  font-family: var(--font-display); font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; letter-spacing: -1px;
}
.section-header p {
  color: var(--text-dim); font-size: 17px; margin-top: 16px;
  max-width: 500px; margin-left: auto; margin-right: auto;
}
.sh { margin-bottom: 48px; }
.sh-center { text-align: center; }
.sh h2 {
  font-family: var(--font-display); font-size: clamp(26px, 4vw, 40px);
  font-weight: 800; letter-spacing: -1px;
}
.sh p { color: var(--text-dim); font-size: 16px; margin-top: 12px; max-width: 500px; }
.sh-center p { margin-left: auto; margin-right: auto; }
.sh .tag {
  display: inline-flex; font-family: var(--font-mono); font-size: 11px;
  color: var(--accent); text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 10px;
}


.features-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat-card {
  background: var(--bg-card); border: 1px solid var(--border-lt);
  border-radius: var(--radius-lg); padding: 28px; transition: all var(--tr);
}
.feat-card:hover {
  border-color: var(--border); transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,.3);
}
.feat-icon { font-size: 28px; margin-bottom: 14px; }
.feat-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.feat-card p { font-size: 13px; color: var(--text-dim); line-height: 1.6; }

@media (max-width: 768px) { .features-strip { grid-template-columns: 1fr; } }


.about-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
.about-card {
  padding: 32px; border-radius: var(--radius-lg);
  background: var(--bg-card); border: 1px solid var(--border-lt);
}
.about-icon { font-size: 28px; margin-bottom: 16px; }
.about-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.about-card p { font-size: 14px; color: var(--text-dim); line-height: 1.65; }

@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }


.ops-list { display: flex; flex-direction: column; gap: 20px; }
.op-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  background: var(--bg-card); border: 1px solid var(--border-lt);
  border-radius: var(--radius-lg); padding: 32px; align-items: center;
  transition: all var(--tr);
}
.op-row:hover { border-color: var(--border); }
.op-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); margin-bottom: 6px; }
.op-row h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.op-row p { font-size: 14px; color: var(--text-dim); line-height: 1.65; }
.op-table { margin-top: 14px; width: 100%; border-collapse: collapse; }
.op-table th, .op-table td {
  padding: 6px 10px; text-align: left; font-size: 12px;
  border-bottom: 1px solid var(--border-lt);
}
.op-table th {
  color: var(--text-muted); font-weight: 500;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: .5px;
}
.op-table td { color: var(--text-dim); }
.op-table code {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent); padding: 2px 6px; border-radius: 4px;
  font-size: 11px; font-family: var(--font-mono);
}

@media (max-width: 768px) { .op-row { grid-template-columns: 1fr; } }


.workflow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.wf-step { text-align: center; padding: 24px 16px; }
.wf-num {
  width: 36px; height: 36px; border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 14px; font-weight: 700;
  color: var(--accent); margin-bottom: 12px;
}
.wf-step h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.wf-step p { font-size: 12px; color: var(--text-dim); line-height: 1.55; }

@media (max-width: 768px) { .workflow-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .workflow-steps { grid-template-columns: 1fr; } }


.media-slot {
  background: var(--bg-card); border: 2px dashed var(--border);
  border-radius: var(--radius-lg); display: flex; flex-direction: column;
  align-items: center; justify-content: center; min-height: 280px;
  position: relative; overflow: hidden; transition: border-color var(--tr);
}
.media-slot:hover { border-color: var(--text-muted); }
.media-slot .placeholder-icon { font-size: 40px; margin-bottom: 12px; opacity: .4; }
.media-slot .placeholder-text { font-size: 13px; color: var(--text-muted); text-align: center; line-height: 1.5; }
.media-slot .placeholder-hint { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); opacity: .5; margin-top: 8px; }
.media-slot img, .media-slot video {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: var(--radius-lg); position: absolute; inset: 0;
}
.media-slot-sm { min-height: 200px; }
.media-slot-lg { min-height: 360px; }

.cta-box {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, #0a0a0c), color-mix(in srgb, var(--accent) 14%, #0a0a0c));
  border: 1px solid color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: var(--radius-lg); padding: 56px 48px;
  text-align: center; position: relative; overflow: hidden;
}
.cta-box::before {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--accent) 4%, transparent) 0%, transparent 50%);
  pointer-events: none;
}
.cta-box h2 { font-family: var(--font-display); font-size: clamp(26px, 4vw, 40px); font-weight: 800; letter-spacing: -1px; position: relative; }
.cta-box p { color: var(--text-dim); font-size: 16px; margin-top: 14px; position: relative; }
.cta-box .price { font-family: var(--font-mono); font-size: 48px; font-weight: 700; margin: 28px 0 8px; position: relative; }
.cta-box .price-note { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; position: relative; }
.cta-actions { display: flex; gap: 14px; justify-content: center; position: relative; flex-wrap: wrap; }


.specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border: 1px solid var(--border-lt); border-radius: var(--radius-lg); overflow: hidden;
}
.spec-row {
  display: flex; justify-content: space-between; padding: 14px 20px;
  border-bottom: 1px solid var(--border-lt); font-size: 14px;
}
.spec-row:last-child { border-bottom: none; }
.spec-label { color: var(--text-muted); }
.spec-value { color: var(--text-main); font-weight: 500; }

@media (max-width: 640px) { .specs { grid-template-columns: 1fr; } }


.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border-lt); padding: 20px 0;
}
.faq-q {
  font-size: 15px; font-weight: 600; color: var(--text-main);
  cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; gap: 16px; user-select: none;
}
.faq-q::after {
  content: '+'; font-family: var(--font-mono); font-size: 18px;
  color: var(--text-muted); transition: transform var(--tr);
  flex-shrink: 0;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); color: var(--accent); }
.faq-a {
  font-size: 14px; color: var(--text-dim); line-height: 1.7;
  max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease;
  padding-top: 0;
}
.faq-item.open .faq-a { max-height: 500px; padding-top: 12px; }

.trust-strip {
  display: flex; justify-content: center; gap: 32px;
  flex-wrap: wrap; padding: 24px 0;
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-dim);
}
.trust-icon { font-size: 16px; }


.hero { padding: 140px 0 80px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; top: -30%; right: -15%;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 55%);
  pointer-events: none;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.hero-text { position: relative; z-index: 1; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  padding: 5px 14px; border-radius: 100px; margin-bottom: 24px;
  animation: fadeUp .7s ease both;
}
.hero h1 {
  font-family: var(--font-display); font-size: clamp(36px, 5vw, 56px);
  font-weight: 800; line-height: 1.08; letter-spacing: -1.5px;
  animation: fadeUp .7s ease .08s both;
}
.hero h1 .grad {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 17px; color: var(--text-dim); margin-top: 20px;
  max-width: 440px; animation: fadeUp .7s ease .16s both;
}
.hero-actions {
  display: flex; gap: 14px; margin-top: 36px;
  animation: fadeUp .7s ease .24s both;
}
.hero-media { position: relative; z-index: 1; animation: fadeUp .8s ease .2s both; }

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
}

.pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.pain-text h2 {
  font-family: var(--font-display); font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800; letter-spacing: -1px; line-height: 1.15;
}
.pain-text p { color: var(--text-dim); font-size: 15px; margin-top: 16px; line-height: 1.7; }
.pain-example {
  background: var(--bg-card); border: 1px solid var(--border-lt);
  border-radius: var(--radius-lg); padding: 28px;
  font-family: var(--font-mono); font-size: 13px;
}
.pain-bad { color: var(--warn); opacity: .7; }
.pain-arrow { color: var(--text-muted); margin: 8px 0; font-size: 18px; }
.pain-good { color: var(--accent3); }

@media (max-width: 768px) { .pain-grid { grid-template-columns: 1fr; } }

.timer-mock {
  background: var(--bg-card); border: 1px solid var(--border-lt);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
}
.timer-display { font-family: var(--font-mono); font-size: 48px; font-weight: 700; letter-spacing: 2px; margin-bottom: 16px; }
.timer-display .active { color: var(--accent); }
.timer-display .dim { color: var(--text-muted); }
.timer-stages { text-align: left; margin-top: 20px; }
.timer-stage {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 4px;
}
.timer-stage.is-active {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
}
.timer-stage .dot-active {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  margin-right: 8px; display: inline-block;
}
.timer-stage .dot-idle {
  width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted);
  margin-right: 8px; display: inline-block;
}
.timer-stage .stage-name { color: var(--text-main); font-weight: 500; }
.timer-stage .stage-time { font-family: var(--font-mono); color: var(--text-dim); font-size: 12px; }

.use-cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.use-card {
  background: var(--bg-card); border: 1px solid var(--border-lt);
  border-radius: var(--radius-lg); padding: 28px; transition: all var(--tr);
}
.use-card:hover { border-color: var(--border); transform: translateY(-3px); }
.use-card .use-icon { font-size: 32px; margin-bottom: 14px; }
.use-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.use-card p { font-size: 13px; color: var(--text-dim); line-height: 1.6; }

@media (max-width: 768px) { .use-cases { grid-template-columns: 1fr; } }

.op-detail { margin-top: 12px; font-size: 13px; color: var(--text-dim); }
.op-detail code {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent); padding: 2px 6px; border-radius: 4px;
  font-size: 11px; font-family: var(--font-mono);
}

.footer { border-top: 1px solid var(--border-lt); padding: 48px 0; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 20px;
}
.footer-text { font-size: 13px; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--text-dim); }
.footer-links a:hover { color: var(--text-main); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .25s; }