:root {
  --ink: #eef4ff;
  --muted: #a2adc2;
  --night: #07080d;
  --line: rgba(255, 255, 255, 0.12);
  --acid: #c8ff3d;
  --cyan: #33d6ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(1240px, calc(100% - 48px));
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--acid);
  color: #090b0e;
  font-weight: 900;
  letter-spacing: -0.08em;
  box-shadow: 0 0 28px rgba(200, 255, 61, 0.22);
}
.brand strong { display: block; font-size: 15px; letter-spacing: 0.02em; }
.brand small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; }
.main-nav { display: flex; align-items: center; gap: 30px; font-size: 13px; color: #c0cadb; }
.main-nav a { transition: color 180ms ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: #fff; }
.main-nav .nav-cta { padding: 11px 16px; border: 1px solid var(--line); border-radius: 10px; color: #fff; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 850px;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  gap: 64px;
  align-items: center;
  padding: 148px max(24px, calc((100vw - 1240px) / 2)) 84px;
  background:
    radial-gradient(circle at 78% 35%, rgba(70, 65, 180, 0.23), transparent 33%),
    radial-gradient(circle at 15% 80%, rgba(51, 214, 255, 0.08), transparent 30%),
    #07080d;
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  right: -260px;
  top: 110px;
  border: 1px solid rgba(200, 255, 61, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(200, 255, 61, 0.02), 0 0 0 160px rgba(200, 255, 61, 0.015);
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.16;
  background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, transparent, #000 35%, transparent 95%);
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; color: #c9d1df; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .17em; }
.eyebrow span { width: 28px; height: 2px; background: var(--acid); box-shadow: 0 0 12px rgba(200,255,61,.7); }
.hero h1 { max-width: 710px; margin: 0; font-size: clamp(58px, 6.5vw, 104px); line-height: .89; letter-spacing: -.065em; font-weight: 840; }
.hero h1 span { display: block; margin-top: 16px; color: transparent; -webkit-text-stroke: 1px rgba(238,244,255,.58); font-size: .62em; letter-spacing: -.045em; }
.hero-lead { max-width: 630px; margin: 34px 0 0; color: #b6c0d1; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 0 22px; border-radius: 12px; font-size: 14px; font-weight: 750; transition: transform 180ms ease, border-color 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--acid); color: #0a0c0f; box-shadow: 0 16px 45px rgba(200,255,61,.12); }
.button-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.03); }
.button-secondary:hover { border-color: rgba(255,255,255,.3); }
.hero-signals { display: flex; margin-top: 54px; border-top: 1px solid var(--line); }
.hero-signals div { display: flex; gap: 13px; align-items: center; padding: 20px 32px 0 0; margin-right: 30px; border-right: 1px solid var(--line); }
.hero-signals div:last-child { border-right: 0; }
.hero-signals strong { color: var(--acid); font-size: 11px; letter-spacing: .08em; }
.hero-signals span { color: #bac4d3; font-size: 12px; line-height: 1.35; text-transform: uppercase; letter-spacing: .07em; }

.hero-visual { position: relative; min-height: 600px; display: grid; place-items: center; }
.visual-glow { position: absolute; width: 72%; height: 72%; background: radial-gradient(circle, rgba(143,108,255,.32), transparent 66%); filter: blur(24px); }
.image-frame { position: relative; width: min(100%, 535px); aspect-ratio: 4 / 5; padding: 10px; border: 1px solid rgba(255,255,255,.16); background: linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.02)); box-shadow: 0 30px 90px rgba(0,0,0,.45); transform: rotate(2.5deg); }
.image-frame::before { content: ""; position: absolute; inset: -9px 48px; border-top: 1px solid var(--acid); border-bottom: 1px solid rgba(51,214,255,.6); pointer-events: none; }
.image-frame img { display: block; width: 100%; height: 100%; object-fit: cover; background: #151823; }
.frame-label { position: absolute; z-index: 3; padding: 8px 12px; background: #0b0d12; border: 1px solid var(--line); color: #dce5f3; font-size: 9px; text-transform: uppercase; letter-spacing: .16em; }
.frame-label-top { top: 20px; right: -24px; }
.frame-label-bottom { bottom: 24px; left: -24px; }
.platform-badge { position: absolute; z-index: 5; width: 146px; height: 94px; display: flex; flex-direction: column; justify-content: flex-end; padding: 16px; border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(16px); box-shadow: 0 18px 48px rgba(0,0,0,.35); }
.platform-badge span { font-size: 9px; letter-spacing: .16em; }
.platform-badge strong { margin-top: 5px; font-size: 20px; }
.platform-intel { top: 90px; left: -18px; background: rgba(26, 117, 255, .62); }
.platform-snapdragon { right: -18px; bottom: 84px; background: rgba(153, 44, 65, .68); }

.intro-strip { min-height: 130px; display: flex; align-items: center; justify-content: space-between; gap: 36px; padding: 28px max(24px, calc((100vw - 1240px) / 2)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #0b0d13; }
.intro-strip p { margin: 0; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .16em; }
.intro-strip div { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 24px 44px; }
.intro-strip span { position: relative; color: #e5ebf5; font-size: 14px; font-weight: 650; }
.intro-strip span::before { content: "+"; margin-right: 10px; color: var(--acid); }

.section-shell { width: min(1240px, calc(100% - 48px)); margin: 0 auto; }
.section-kicker { margin: 0 0 18px; color: var(--acid); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .17em; }
.section-heading h2, .comparison-heading h2, .workflow-intro h2, .recommendation-copy h2, .faq-section h2 { margin: 0; font-size: clamp(40px, 5vw, 72px); line-height: .98; letter-spacing: -.055em; }
.section-heading > p:last-child, .comparison-heading > p, .workflow-intro > p:last-child, .recommendation-copy > p { color: var(--muted); line-height: 1.75; }

.overview-section { padding-top: 130px; padding-bottom: 140px; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; column-gap: 80px; align-items: end; }
.section-heading .section-kicker { grid-column: 1 / -1; }
.section-heading > p:last-child { max-width: 520px; margin: 0 0 4px; }
.feature-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 16px; margin-top: 64px; }
.feature-card { min-height: 360px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.015)); overflow: hidden; }
.feature-large { background: radial-gradient(circle at 75% 20%, rgba(51,214,255,.15), transparent 38%), linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.015)); }
.feature-index { color: #8793a7; font-size: 9px; font-weight: 800; letter-spacing: .15em; }
.feature-card h3 { margin: auto 0 12px; font-size: 24px; letter-spacing: -.03em; }
.feature-card p { max-width: 440px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.meter { height: 118px; display: flex; align-items: flex-end; gap: 10px; margin-top: 36px; }
.meter i { display: block; width: 13%; background: linear-gradient(to top, rgba(51,214,255,.22), var(--cyan)); border-top: 2px solid #b7f2ff; }
.meter i:nth-child(1) { height: 28%; } .meter i:nth-child(2) { height: 44%; } .meter i:nth-child(3) { height: 58%; } .meter i:nth-child(4) { height: 76%; } .meter i:nth-child(5) { height: 100%; background: linear-gradient(to top, rgba(200,255,61,.2), var(--acid)); }
.thermal-orbit { position: relative; width: 128px; height: 128px; margin: 36px auto 0; border: 1px dashed rgba(200,255,61,.5); border-radius: 50%; box-shadow: inset 0 0 34px rgba(200,255,61,.06); }
.thermal-orbit::before, .thermal-orbit::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.thermal-orbit::before { inset: 18px; } .thermal-orbit::after { inset: 40px; background: var(--acid); box-shadow: 0 0 26px rgba(200,255,61,.38); }
.thermal-orbit span { position: absolute; width: 9px; height: 9px; top: 10px; left: 26px; border-radius: 50%; background: var(--acid); }
.battery-mark { position: relative; width: 144px; height: 72px; margin: 62px auto 0; border: 2px solid rgba(255,255,255,.42); padding: 8px; }
.battery-mark::after { content: ""; position: absolute; width: 7px; height: 26px; right: -9px; top: 21px; background: rgba(255,255,255,.42); }
.battery-mark span { display: block; width: 82%; height: 100%; background: linear-gradient(90deg, var(--acid), #82ffb1); box-shadow: 0 0 26px rgba(200,255,61,.22); }

.comparison-section { padding: 140px 0; background: #0c0f16; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.comparison-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.comparison-heading > p { max-width: 520px; margin: 0 0 4px; }
.comparison-grid { display: grid; grid-template-columns: 1fr 72px 1fr; align-items: stretch; margin-top: 70px; }
.compare-card { min-height: 550px; padding: 38px; border: 1px solid var(--line); background: #10141c; }
.intel-card { background: radial-gradient(circle at 15% 0%, rgba(20,115,255,.2), transparent 36%), #10141c; }
.snapdragon-card { background: radial-gradient(circle at 85% 0%, rgba(210,45,76,.16), transparent 36%), #10141c; }
.compare-topline { display: flex; justify-content: space-between; align-items: center; }
.compare-topline span { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); font-size: 10px; }
.compare-topline small { color: #7f8ca2; font-size: 9px; letter-spacing: .15em; }
.compare-card h3 { margin: 68px 0 6px; font-size: clamp(48px, 5vw, 76px); line-height: 1; letter-spacing: -.06em; }
.compare-tagline { margin: 0; color: #b7c0cf; font-size: 17px; }
.compare-card ul { display: grid; gap: 0; margin: 50px 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.compare-card li { position: relative; padding: 16px 10px 16px 30px; border-bottom: 1px solid var(--line); color: #c4ccda; font-size: 14px; line-height: 1.45; }
.compare-card li::before { content: "✓"; position: absolute; left: 4px; color: var(--acid); }
.best-for { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-top: auto; padding-top: 22px; }
.best-for span { color: #7f8ca2; font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.best-for strong { text-align: right; font-size: 13px; }
.versus { display: grid; place-items: center; position: relative; }
.versus::before { content: ""; position: absolute; width: 1px; height: 100%; background: var(--line); }
.versus span { position: relative; z-index: 2; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--acid); color: #0a0c0f; font-size: 12px; font-weight: 900; box-shadow: 0 0 34px rgba(200,255,61,.18); }
.comparison-note { max-width: 850px; margin: 28px auto 0; color: #778399; font-size: 11px; line-height: 1.65; text-align: center; }

.workflow-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; padding-top: 140px; padding-bottom: 150px; }
.workflow-intro { position: sticky; top: 40px; align-self: start; }
.workflow-intro h2 { font-size: clamp(42px, 4.5vw, 65px); }
.workflow-intro > p:last-child { max-width: 480px; margin-top: 26px; }
.scenario-list { border-top: 1px solid var(--line); }
.scenario-list article { display: grid; grid-template-columns: 42px 1fr auto; gap: 24px; align-items: start; padding: 32px 0; border-bottom: 1px solid var(--line); }
.scenario-list article > span { color: var(--acid); font-size: 10px; font-weight: 800; }
.scenario-list h3 { margin: -5px 0 10px; font-size: 22px; letter-spacing: -.02em; }
.scenario-list p { max-width: 560px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.scenario-list article > strong { padding: 7px 9px; border: 1px solid var(--line); color: #dbe5f4; font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }

.recommendation-section { width: min(1340px, calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; padding: 100px max(28px, calc((100% - 1160px) / 2)); background: radial-gradient(circle at 5% 20%, rgba(51,214,255,.12), transparent 38%), #121720; border: 1px solid var(--line); }
.recommendation-copy > p { max-width: 640px; margin: 28px 0 32px; }
.checklist-card { padding: 34px; background: #080a0f; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.checklist-card > p { margin: 0 0 22px; color: #8c98ab; font-size: 10px; text-transform: uppercase; letter-spacing: .15em; }
.checklist-card ol { margin: 0; padding: 0; list-style: none; }
.checklist-card li { display: flex; align-items: center; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); color: #d5deec; font-size: 13px; }
.checklist-card li span { color: var(--acid); font-size: 10px; }

.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; padding-top: 150px; padding-bottom: 130px; }
.faq-section h2 { font-size: clamp(42px, 4vw, 62px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 26px 0; cursor: pointer; font-size: 17px; font-weight: 680; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--acid); font-size: 22px; font-weight: 400; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 680px; margin: -4px 0 28px; color: var(--muted); font-size: 14px; line-height: 1.7; }

footer { min-height: 130px; width: min(1240px, calc(100% - 48px)); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 30px; border-top: 1px solid var(--line); }
footer > p { color: #7f8b9e; font-size: 12px; }
footer > a:last-child { color: #b8c2d1; font-size: 12px; }

@media (max-width: 980px) {
  .main-nav a:not(.nav-cta) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 40px; padding-top: 140px; }
  .hero-copy { max-width: 780px; }
  .hero-visual { min-height: 550px; }
  .image-frame { width: min(78vw, 510px); }
  .section-heading, .comparison-heading, .workflow-section, .faq-section { grid-template-columns: 1fr; gap: 42px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-large { grid-column: 1 / -1; }
  .comparison-grid { grid-template-columns: 1fr; gap: 0; }
  .versus { height: 70px; }
  .versus::before { width: 100%; height: 1px; }
  .workflow-intro { position: static; }
  .recommendation-section { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-header { width: calc(100% - 32px); min-height: 74px; }
  .brand small { display: none; }
  .main-nav { gap: 0; }
  .main-nav .nav-cta { padding: 10px 12px; font-size: 11px; }
  .hero { padding: 118px 20px 60px; }
  .hero h1 { font-size: clamp(48px, 16vw, 72px); }
  .hero-lead { margin-top: 26px; font-size: 16px; }
  .button { width: 100%; }
  .hero-signals { justify-content: space-between; }
  .hero-signals div { padding-right: 10px; margin-right: 10px; gap: 7px; }
  .hero-signals span { font-size: 9px; }
  .hero-visual { min-height: 430px; }
  .image-frame { width: 82vw; }
  .platform-badge { width: 118px; height: 76px; padding: 12px; }
  .platform-badge strong { font-size: 16px; }
  .platform-intel { left: -6px; top: 44px; }
  .platform-snapdragon { right: -6px; bottom: 46px; }
  .intro-strip { align-items: flex-start; flex-direction: column; }
  .intro-strip div { justify-content: flex-start; }
  .section-shell { width: calc(100% - 40px); }
  .overview-section, .comparison-section, .workflow-section, .faq-section { padding-top: 90px; padding-bottom: 90px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: auto; }
  .feature-card { min-height: 330px; }
  .compare-card { min-height: auto; padding: 28px 22px; }
  .compare-card h3 { margin-top: 46px; font-size: 48px; }
  .best-for { align-items: flex-start; flex-direction: column; }
  .best-for strong { text-align: left; }
  .scenario-list article { grid-template-columns: 30px 1fr; }
  .scenario-list article > strong { grid-column: 2; width: fit-content; }
  .recommendation-section { width: calc(100% - 20px); padding: 70px 20px; }
  .checklist-card { padding: 24px 20px; }
  footer { width: calc(100% - 40px); align-items: flex-start; flex-direction: column; padding: 38px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}