:root{
  /* Color system */
  --bg:#0B1021;
  --surface:#0F172A;
  --text:#E2E8F0;
  --muted:#94A3B8;
  --accent:#6D5EF3;         /* Indigo */
  --accent-600:#5B4EF0;
  --accent-700:#4637E6;
  --amber:#F59E0B;          /* small details only */

  /* Typography */
  --font-display:'Sora', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  --font-body:'Inter', system-ui, -apple-system, Segoe UI, Roboto, 'Helvetica Neue', Arial, 'Noto Sans';

  /* Spacing scale (4/8 system) */
  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-5:20px; --space-6:24px;
  --space-7:28px; --space-8:32px; --space-9:36px; --space-10:40px; --space-12:48px; --space-16:64px;

  /* Radii */
  --radius-sm:8px; --radius-md:12px; --radius-lg:14px; --radius-xl:24px; --pill:999px;

  /* Shadows */
  --shadow-sm:0 1px 2px rgba(0,0,0,.24);
  --shadow-md:0 8px 30px rgba(7,10,20,.45);
  --shadow-lg:0 16px 60px rgba(13,19,43,.5);
  --shadow-glow:0 8px 28px rgba(109,94,243,.35), 0 0 0 1px rgba(109,94,243,.25) inset;

  /* Layout */
  --max-content:760px;
}

/* Reset */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:18px;
  line-height:1.55;
  color:var(--text);
  background:var(--bg) url('assets/hero-bg.webp') no-repeat center/cover fixed;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
a{color:inherit}
.sr-only,.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center}
.hero-inner{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:var(--space-12) var(--space-6);
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:var(--space-12);
  background-image:
    radial-gradient(600px 600px at 35% 42%, rgba(109,94,243,.20), transparent 60%),
    repeating-linear-gradient(to right, rgba(255,255,255,.04), rgba(255,255,255,.04) 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.04), rgba(255,255,255,.04) 1px, transparent 1px, transparent 40px);
  background-blend-mode: screen, normal, normal;
}
.content{max-width:var(--max-content)}

/* Typography */
.eyebrow{
  font-size:.82rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:var(--space-2);
}
.headline{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(2rem, 2.2rem + 1.2vw, 3.2rem);
  line-height:1.05;
  margin:0 0 var(--space-4);
}
.headline .accent{color:var(--accent)}
.subheading{color:var(--text); opacity:.92; margin:0 0 var(--space-6)}

/* Promo code chip */
.promo-chip{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-areas:
    "label label"
    "input button"
    "msg msg";
  gap:var(--space-2);
  max-width:520px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-md);
  padding:var(--space-4);
  backdrop-filter: blur(10px);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.promo-chip.copied{border-color:var(--accent); box-shadow:0 0 0 3px rgba(109,94,243,.25) inset}
.code-label{
  grid-area:label;
  font-size:.76rem; letter-spacing:.12em; text-transform:uppercase; color:var(--muted)
}
.code-input{
  grid-area:input;
  background:rgba(255,255,255,.06);
  color:#fff;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-sm);
  padding:12px 14px;
  font-family:var(--font-body);
  font-size:1.1rem;
  text-align:center;
  min-width:200px;
}
.icon-button{
  grid-area:button;
  height:44px; width:44px;
  display:inline-grid; place-items:center;
  background:var(--accent);
  color:#fff;
  border:0; border-radius:var(--radius-sm);
  cursor:pointer;
  transition:transform .14s ease, box-shadow .2s ease, opacity .2s ease;
  box-shadow:var(--shadow-sm);
}
.icon-button:hover{transform:translateY(-1px); box-shadow:var(--shadow-glow)}
.icon-button[data-state="copied"] svg{display:none}
.icon-button[data-state="copied"]::before{content:'✓'; font-weight:700}
.copy-msg{
  grid-area:msg;
  font-size:.92rem;
  color:var(--muted);
}

/* CTA */
.cta-group{display:flex; align-items:center; gap:var(--space-4); margin-top:var(--space-4); flex-wrap:wrap}
.cta-button{
  display:inline-block;
  background:linear-gradient(180deg, var(--accent), var(--accent-600));
  color:#fff; text-decoration:none;
  padding:14px 26px;
  border-radius:var(--pill);
  font-weight:600;
  box-shadow:var(--shadow-md);
  transition:transform .16s ease, box-shadow .2s ease, filter .2s ease;
}
.cta-button:hover{transform:translateY(-1px) scale(1.02); box-shadow:var(--shadow-lg)}
.cta-button:active{transform:translateY(0) scale(0.995)}
.focus-ring:focus-visible{outline:0; box-shadow:0 0 0 3px rgba(109,94,243,.55), 0 0 0 6px rgba(109,94,243,.18)}

/* Timer chip */
.timer-chip{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  padding:10px 14px;
  border-radius:var(--pill);
  opacity:.95;
  transition:opacity .25s ease;
}
.timer-chip.tick{opacity:1}

/* Reassurance row */
.trust-row{display:flex; gap:var(--space-6); list-style:none; padding:0; margin:var(--space-6) 0 0}
.trust-row li{display:flex; gap:10px; align-items:center; font-size:.98rem; color:var(--text)}
.trust-row svg{opacity:.9}

/* Bonus */
.bonus-card{
  margin-top:var(--space-6);
  display:flex; gap:12px; align-items:flex-start;
  background:var(--surface);
  border:1px solid rgba(255,255,255,.08);
  border-left:3px solid var(--amber);
  padding:12px 14px;
  border-radius:var(--radius-md);
  max-width:820px;
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset;
}
.bonus-card svg{color:var(--amber)}
.disclaimer{margin-top:var(--space-4); color:var(--muted); max-width:760px}

/* Right-side illustration */
.illustration{display:flex; align-items:center; justify-content:center}
.gpu-iso{width:min(520px, 100%); height:auto; filter:drop-shadow(0 10px 30px rgba(0,0,0,.35))}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr; gap:var(--space-8)}
  .illustration{order:-1}
}
@media (max-width:640px){
  .cta-group{flex-direction:column; align-items:stretch}
  .cta-button{width:100%; text-align:center}
  .promo-chip{grid-template-columns:1fr auto; padding:var(--space-3)}
  .headline{font-size:clamp(1.8rem, 1.6rem + 3vw, 2.4rem)}
  body{background-attachment:scroll}
}