/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #050912;
  --bg-2: #0a0f1e;
  --bg-card: #0d1424;
  --violet: #8b5cf6;
  --violet-dim: rgba(139,92,246,0.15);
  --cyan: #06b6d4;
  --cyan-dim: rgba(6,182,212,0.12);
  --text: #e8eaf6;
  --text-2: #8892b0;
  --text-3: #4a5578;
  --border: rgba(139,92,246,0.18);
  --good: #22c55e;
  --radius: 14px;
  --section-pad: 80px;
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: 'Sora', system-ui, sans-serif;
  line-height: 1.15;
  font-weight: 700;
}
a { color: inherit; text-decoration: none; }
svg { display: block; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(5,9,18,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { max-width: 1200px; margin: 0 auto; width: 100%; }
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Sora', sans-serif;
  font-size: 18px; font-weight: 700;
  color: var(--text);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  padding: 120px 32px 80px;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(139,92,246,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: 20%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}
.hero-content { display: flex; flex-direction: column; gap: 24px; }
.hero-eyebrow {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--violet);
}
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--violet);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}
.hero-headline {
  font-size: clamp(42px, 5.5vw, 72px);
  color: var(--text);
  line-height: 1.05;
}
.gradient-text {
  background: linear-gradient(135deg, var(--violet) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-lede {
  font-size: 18px; color: var(--text-2);
  max-width: 480px; line-height: 1.7;
}
.hero-visual { display: flex; justify-content: flex-end; }
.hero-visual-mobile { display: none; }

/* ===== PULSE VISUAL ===== */
.pulse-container {
  position: relative;
  width: 100%; max-width: 420px;
  background: linear-gradient(135deg, var(--bg-2) 0%, rgba(139,92,246,0.08) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px 32px;
  display: flex; flex-direction: column; gap: 24px;
}
.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--violet);
  animation: ring-pulse 3s ease-out infinite;
  opacity: 0;
}
.pulse-ring-1 { width: 80px; height: 80px; top: 30px; right: 30px; animation-delay: 0s; }
.pulse-ring-2 { width: 80px; height: 80px; top: 30px; right: 30px; animation-delay: 1s; border-color: var(--cyan); }
.pulse-ring-3 { width: 80px; height: 80px; top: 30px; right: 30px; animation-delay: 2s; }
@keyframes ring-pulse {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(3.5); opacity: 0; }
}
.pulse-core {
  position: absolute;
  top: 30px; right: 30px;
  animation: core-glow 3s ease-in-out infinite;
}
@keyframes core-glow {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(139,92,246,0.5)); }
  50% { filter: drop-shadow(0 0 20px rgba(139,92,246,0.9)); }
}
.pulse-signal { position: relative; }
.signal-svg { width: 100%; height: 80px; }
.signal-path { animation: signal-scroll 3s linear infinite; }
@keyframes signal-scroll {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -200; }
}
.signal-labels {
  display: flex; justify-content: space-between;
  margin-top: 8px;
  font-size: 10px; color: var(--text-3);
  letter-spacing: 0.08em; font-weight: 500;
}
.vitals-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.vital-chip {
  background: var(--violet-dim);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.vital-label { font-size: 10px; color: var(--text-3); letter-spacing: 0.06em; text-transform: uppercase; }
.vital-value { font-family: 'Sora', sans-serif; font-size: 16px; font-weight: 700; color: var(--text); }
.vital-value.good { color: var(--good); }

/* ===== SECTIONS ===== */
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--violet);
  margin-bottom: 16px;
}
.section-headline {
  font-size: clamp(28px, 3.5vw, 48px);
  color: var(--text);
  margin-bottom: 48px;
}

/* ===== HOW IT WORKS ===== */
.howitworks { padding: var(--section-pad) 0; background: var(--bg-2); }
.steps {
  display: grid; grid-template-columns: auto 1px auto 1px auto;
  gap: 0; align-items: start;
}
.step { padding: 0 32px 0 0; }
.step-number { font-size: 11px; font-weight: 700; color: var(--text-3); letter-spacing: 0.1em; margin-bottom: 16px; }
.step-icon { margin-bottom: 20px; }
.step h3 { font-size: 20px; margin-bottom: 12px; }
.step p { font-size: 15px; color: var(--text-2); line-height: 1.7; max-width: 280px; }
.step-divider { width: 1px; align-self: stretch; background: var(--border); margin: 0 48px; }

/* ===== FEATURES ===== */
.features { padding: var(--section-pad) 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: rgba(139,92,246,0.4);
  box-shadow: 0 0 30px rgba(139,92,246,0.06);
}
.feature-card-large { grid-column: span 1; }
.feature-card-wide { grid-column: span 2; }
.feature-card-icon { margin-bottom: 4px; }
.feature-card h3 { font-size: 17px; font-weight: 700; }
.feature-card p { font-size: 14px; color: var(--text-2); line-height: 1.65; flex: 1; }
.feature-tag {
  display: inline-block;
  font-size: 10px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--violet);
  background: var(--violet-dim);
  padding: 4px 10px;
  border-radius: 100px;
  width: fit-content;
}

/* ===== DIFFERENCE ===== */
.difference { padding: var(--section-pad) 0; background: var(--bg-2); }
.diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.diff-body { font-size: 16px; color: var(--text-2); line-height: 1.75; margin-bottom: 20px; }
.comparison-table { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.comp-header {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  padding: 12px 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3);
}
.comp-col-label {}
.comp-col-label:not(:first-child) { text-align: center; color: var(--text-2); }
.comp-row {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(139,92,246,0.07);
  font-size: 14px;
  transition: background 0.15s;
}
.comp-row:last-child { border-bottom: none; }
.comp-row:hover { background: rgba(139,92,246,0.04); }
.comp-feature { color: var(--text-2); }
.comp-val { text-align: center; font-family: 'Sora', sans-serif; font-weight: 700; font-size: 13px; }
.comp-val.yes { color: var(--good); }
.comp-val.no { color: var(--text-3); }

/* ===== VISION ===== */
.vision { padding: var(--section-pad) 0; }
.centered { text-align: center; }
.vision-quote {
  font-size: clamp(18px, 2.5vw, 26px);
  font-family: 'Sora', sans-serif;
  font-style: italic;
  font-weight: 400;
  color: var(--text);
  max-width: 800px;
  margin: 0 auto 20px;
  line-height: 1.5;
  quotes: none;
  border-left: 3px solid var(--violet);
  padding-left: 28px;
  text-align: left;
}
.vision-sub { font-size: 16px; color: var(--violet); font-weight: 600; margin-bottom: 64px; }
.vision-stats { display: flex; justify-content: center; align-items: center; gap: 48px; }
.vstat { text-align: center; }
.vstat-number { font-family: 'Sora', sans-serif; font-size: 48px; font-weight: 800; background: linear-gradient(135deg, var(--violet), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.vstat-unit { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin: 6px 0 8px; }
.vstat-desc { font-size: 13px; color: var(--text-2); max-width: 140px; margin: 0 auto; }
.vstat-divider { width: 1px; height: 80px; background: var(--border); }

/* ===== CLOSING ===== */
.closing { padding: var(--section-pad) 0; background: linear-gradient(135deg, var(--bg-2) 0%, rgba(139,92,246,0.06) 100%); }
.closing-inner { max-width: 700px; }
.closing-headline { font-size: clamp(32px, 4vw, 56px); margin-bottom: 24px; }
.closing-sub { font-size: 18px; color: var(--text-2); line-height: 1.7; max-width: 560px; }

/* ===== FOOTER ===== */
.footer { padding: 48px 0; border-top: 1px solid var(--border); }
.footer .section-inner { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-family: 'Sora', sans-serif; font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.footer-tagline { font-size: 14px; color: var(--text-2); }
.footer-copy { font-size: 12px; color: var(--text-3); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .hero-visual-mobile { display: flex; justify-content: center; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .step-divider { display: none; }
  .step { padding: 0; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card-wide { grid-column: span 2; }
  .diff-grid { grid-template-columns: 1fr; gap: 48px; }
  .vision-stats { gap: 24px; }
}
@media (max-width: 600px) {
  :root { --section-pad: 60px; }
  .hero { padding: 100px 20px 60px; }
  .section-inner { padding: 0 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card-wide { grid-column: span 1; }
  .comparison-table { font-size: 12px; }
  .comp-row { padding: 10px 14px; }
  .vision-stats { flex-direction: column; gap: 32px; }
  .vstat-divider { display: none; }
  .pulse-container { max-width: 100%; }
}