/* ========== Design Tokens ========== */
:root {
  --bg: #0b0f1a;
  --bg-alt: #0f1422;
  --card: #151b2c;
  --text: #e6ecff;
  --muted: #aab4d4;
  --accent: #7c8cff;
  --accent-2: #6ef3ff;
  --ring: rgba(124,140,255,0.35);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius: 12px;
  --maxw: 1140px;
}

/* ========== Base ========== */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, #16223d 0%, transparent 50%),
              radial-gradient(1000px 600px at 100% -20%, #1b2542 0%, transparent 60%),
              var(--bg);
  line-height: 1.65;
}

.container {
  width: min(100% - 2rem, var(--maxw));
  margin-inline: auto;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  margin: 0 0 0.6rem 0;
}
p { margin: 0 0 1rem 0; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; color: var(--accent-2); font-weight: 600; }
.display { font-size: clamp(2.1rem, 5.7vw, 4rem); font-weight: 800; }
.accent { color: var(--accent); }

/* ========== Header/Nav ========== */
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(11,15,26,0.8), rgba(11,15,26,0.55));
  border-bottom: 1px solid rgba(124,140,255,0.15);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 0;
}
.brand { display: flex; align-items: center; gap: .8rem; }
.logo {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #0a0f1a; font-weight: 800;
  box-shadow: var(--shadow);
}
.brand-text h1 { font-size: 1.15rem; margin: 0; }
.brand-text p { margin: 0; color: var(--muted); font-size: .8rem; }
.nav { display: none; gap: 1rem; }
.nav a {
  color: var(--muted); text-decoration: none; font-weight: 500; font-size: .92rem;
}
.nav a:hover { color: var(--text); }
@media (min-width: 960px) { .nav { display: flex; } }

/* ========== Hero ========== */
.hero { position: relative; padding: 5.5rem 0 3.5rem; overflow: hidden; }
.hero-inner { display: grid; gap: 2rem; align-items: center; grid-template-columns: 1.1fr .9fr; }
.hero-art { position: relative; min-height: 320px; }
.hero-image { 
  width: 100%; 
  height: auto; 
  border-radius: var(--radius-xl); 
  box-shadow: 0 20px 60px rgba(124,140,255,0.3);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
.blob { width: 100%; height: auto; color: var(--accent); filter: drop-shadow(0 25px 45px rgba(124,140,255,.25)); }
.ring { position: absolute; inset: 0; border-radius: 50%; border: 2px dashed var(--ring); animation: pulse 6s linear infinite; }
.ring-1 { transform: scale(1.1); }
.ring-2 { transform: scale(1.35); animation-delay: -3s; }
@keyframes pulse { 0%{opacity:.7} 50%{opacity:.2} 100%{opacity:.7} }

.cta-row { display: flex; gap: .75rem; margin-top: 1rem; }
.btn {
  border: 1px solid rgba(124,140,255,0.35);
  padding: .8rem 1.05rem; border-radius: 999px; text-decoration: none;
  color: var(--text); display: inline-flex; gap: .5rem; align-items: center; font-weight: 600;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0a0f1a; border-color: transparent; }
.btn-ghost:hover { background: rgba(124,140,255,0.12); transform: translateY(-1px); }
.btn-primary:hover { filter: brightness(1.07); transform: translateY(-1px); }

/* ========== Sections ========== */
.section { padding: 4rem 0; }
.section.alt { background: linear-gradient(180deg, rgba(21,27,44,.55), rgba(21,27,44,0) 70%); }
.section h2 { margin-bottom: 0.5rem; }
.section-subtitle { 
  font-size: clamp(1rem, 2vw, 1.15rem); 
  color: var(--muted); 
  margin-bottom: 2rem; 
  display: block;
}
.subtitle { 
  color: var(--accent-2); 
  font-size: 1.25rem; 
  font-weight: 600; 
  margin-bottom: 1rem;
}
.what-drives {
  text-align: center;
  margin: 2.5rem 0 1.5rem 0;
  color: var(--text);
  font-size: 1.5rem;
}
.grid-2 { display: grid; gap: 1.5rem; grid-template-columns: 1fr; align-items: center; }
.grid-2-reverse { display: grid; gap: 1.5rem; grid-template-columns: 1fr; align-items: center; }
.grid-3 { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 860px) { 
  .grid-2 { grid-template-columns: 1.1fr .9fr; } 
  .grid-2-reverse { grid-template-columns: .9fr 1.1fr; }
}
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.cards-3, .cards-4, .pricing { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .cards-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 860px) { .cards-4 { grid-template-columns: repeat(4, 1fr); } }
.card {
  background: linear-gradient(180deg, rgba(21,27,44,0.8), rgba(21,27,44,0.45));
  border: 1px solid rgba(124,140,255,0.18);
  border-radius: var(--radius-xl);
  padding: 1.1rem 1.1rem;
  box-shadow: var(--shadow);
}
.card.highlight { border-color: rgba(110,243,255,0.35); background: linear-gradient(180deg, rgba(19,45,60,.7), rgba(21,27,44,.5)); }
.card.icon-left { display: grid; grid-template-columns: 48px 1fr; gap: .9rem; align-items: start; }
.card .icon { font-size: 2rem; line-height: 1; margin-bottom: 0.5rem; }
.icon { font-size: 1.7rem; line-height: 1; }

.check { list-style: none; padding: 0; margin: 0; }
.check li { padding-left: 1.6rem; position: relative; margin: .4rem 0; }
.check li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent-2); font-weight: 700;
}

.dash { list-style: none; padding: 0; margin: 0; }
.dash li { padding-left: 1rem; position: relative; margin: .35rem 0; color: var(--muted); }
.dash li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }

.pill-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .75rem; }
.pill {
  border: 1px solid rgba(124,140,255,0.35);
  border-radius: 999px; padding: .35rem .7rem;
  color: var(--muted); font-weight: 600; font-size: .85rem;
}

.pricing { 
  margin-top: .75rem; 
  display: grid; 
  gap: 1.25rem; 
  grid-template-columns: 1fr; 
}
@media (min-width: 720px) { 
  .pricing { grid-template-columns: repeat(2, 1fr); } 
}
.price-card {
  background: linear-gradient(135deg, rgba(124,140,255,0.15), rgba(110,243,255,0.08));
  border: 2px solid rgba(124,140,255,0.35);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.price-card:hover {
  transform: translateY(-5px);
  border-color: rgba(110,243,255,0.5);
}
.price-card h3 {
  color: var(--accent-2);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}
.price-range { 
  font-size: 1.8rem; 
  font-weight: 800; 
  margin: .5rem 0; 
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.muted { color: var(--muted); }
.mt { margin-top: 1rem; }

/* ========== Closing & Footer ========== */
.closing { padding: 4rem 0 5rem; text-align: center; }
.center { text-align: center; }
.site-footer {
  border-top: 1px solid rgba(124,140,255,0.15);
  padding: 1.25rem 0; background: rgba(11,15,26,0.6);
}
.footer-inner { display: grid; gap: .5rem; text-align: center; }
@media (min-width: 720px){ .footer-inner{ grid-auto-flow: column; justify-content: space-between; text-align: left; } }

/* ========== Image Styles ========== */
.section-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(124,140,255,0.2);
}
.image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
}
.image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124,140,255,0.1), transparent);
  pointer-events: none;
  z-index: 1;
}

/* ========== Special Layout Sections ========== */
.problem-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
.problem-image {
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 960px) {
  .problem-layout {
    grid-template-columns: 1.2fr .8fr;
    align-items: center;
  }
}

.system-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .system-layout {
    grid-template-columns: 1.2fr .8fr;
    align-items: center;
  }
}

.app-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .app-layout {
    grid-template-columns: .8fr 1.2fr;
    align-items: start;
  }
}

.comfort-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .comfort-layout {
    grid-template-columns: 1.3fr .7fr;
    align-items: center;
  }
}

.future-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .future-layout {
    grid-template-columns: .7fr 1.3fr;
    align-items: start;
  }
}

.privacy-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 960px) {
  .privacy-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* ========== Responsiveness tweaks ========== */
@media (max-width: 859px){
  .hero-inner { grid-template-columns: 1fr; }
  .hero { padding-top: 4.2rem; }
  .grid-2-reverse { grid-template-columns: 1fr; }
  .problem-layout,
  .system-layout,
  .app-layout,
  .comfort-layout,
  .future-layout,
  .privacy-layout {
    grid-template-columns: 1fr;
  }
}