@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #fff;
  --bg2: #fafafa;
  --card: #fff;
  --border: #eaeaea;
  --text: #171717;
  --text2: #666;
  --text3: #999;
  --blue: #0070f3;
  --green: #0a0;
  --radius: 12px;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', -apple-system, sans-serif; background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* --- Nav --- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255,255,255,.8); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav__inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.nav__logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; color: var(--text); }
.nav__links { display: flex; gap: 32px; }
.nav__links a { font-size: 14px; color: var(--text2); transition: color .15s; }
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; gap: 8px; }
.nav__burger { display: none; background: none; border: none; color: var(--text); cursor: pointer; }

/* --- Buttons --- */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; font-size: 14px; font-weight: 500; border-radius: 8px; border: 1px solid transparent; transition: all .15s; cursor: pointer; font-family: inherit; }
.btn--primary { background: #000; color: #fff; }
.btn--primary:hover { background: #333; }
.btn--secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn--secondary:hover { border-color: #999; background: var(--bg2); }
.btn--lg { padding: 14px 28px; font-size: 16px; }
.btn--full { width: 100%; }

/* --- Hero --- */
.hero {
  padding: 160px 0 80px; text-align: center; position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(120,40,200,.08), transparent),
    radial-gradient(ellipse 60% 40% at 70% 10%, rgba(0,112,243,.07), transparent),
    radial-gradient(ellipse 50% 60% at 30% 20%, rgba(255,0,128,.04), transparent),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
}
.hero::before { display: none; }
.hero__glow {
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(ellipse, rgba(0,112,243,.1) 0%, rgba(120,40,200,.05) 40%, transparent 70%);
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite;
}
@keyframes glowPulse { 0%,100% { opacity: .7; } 50% { opacity: 1; } }
.hero__badge { display: inline-block; padding: 6px 16px; border: 1px solid var(--border); border-radius: 20px; font-size: 13px; color: var(--text2); margin-bottom: 24px; }
.hero__title { font-size: clamp(40px, 6vw, 72px); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; margin-bottom: 20px; color: var(--text); }
.hero__sub { font-size: 18px; color: var(--text2); max-width: 560px; margin: 0 auto 32px; line-height: 1.6; }
.hero__actions { display: flex; gap: 12px; justify-content: center; margin-bottom: 64px; }

/* Hero illustration */
.hero__visual { max-width: 800px; margin: 0 auto; }
.hero-illustration { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg); }
.hero-svg { width: 100%; height: auto; display: block; }
.beam { opacity: .6; }
.beam--1 { animation: beamV 3s ease-in-out infinite; }
.beam--2 { animation: beamH 4s ease-in-out infinite; }
@keyframes beamV { 0%,100% { opacity: .3; } 50% { opacity: .8; } }
@keyframes beamH { 0%,100% { opacity: .2; } 50% { opacity: .6; } }

/* --- Logos --- */
.logos { padding: 48px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.logos__label { text-align: center; font-size: 13px; color: var(--text3); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 24px; }
.logos__grid { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.logo-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text2); }

/* --- Section head --- */
.section-head { text-align: center; margin-bottom: 56px; }
.section-label { font-size: 13px; color: var(--blue); text-transform: uppercase; letter-spacing: .1em; font-weight: 600; margin-bottom: 12px; }
.section-title { font-size: clamp(28px, 4vw, 44px); font-weight: 800; letter-spacing: -.02em; margin-bottom: 12px; }
.section-sub { font-size: 17px; color: var(--text2); max-width: 520px; margin: 0 auto; }

/* --- Features --- */
.features { padding: 100px 0; }
.features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; transition: border-color .2s, box-shadow .2s; }
.feature-card:hover { border-color: #ccc; box-shadow: 0 4px 20px rgba(0,0,0,.06); }
.feature-card__icon { width: 48px; height: 48px; border-radius: 10px; background: var(--bg2); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--text2); }
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text2); line-height: 1.6; }

/* --- How it works --- */
.how { padding: 100px 0; background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps { display: flex; align-items: flex-start; justify-content: center; gap: 16px; }
.step { flex: 1; max-width: 280px; text-align: center; }
.step__num { width: 48px; height: 48px; border-radius: 50%; background: #000; color: #fff; font-weight: 800; font-size: 20px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.step h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text2); }
.step__arrow { display: flex; align-items: center; padding-top: 12px; }

/* --- Pricing --- */
.pricing { padding: 100px 0; }
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.price-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; position: relative; }
.price-card--featured { border-color: #000; }
.price-card__badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: #000; color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 20px; }
.price-card__name { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.price-card__price { font-size: 32px; font-weight: 800; margin-bottom: 24px; }
.price-card__price span { font-size: 16px; font-weight: 400; color: var(--text2); }
.price-old { font-size: 18px; font-weight: 400; color: var(--text3); text-decoration: line-through; margin-right: 8px; }
.price-card__list { list-style: none; margin-bottom: 32px; flex: 1; }
.price-card__list li { padding: 6px 0; font-size: 14px; color: var(--text2); border-bottom: 1px solid var(--border); }
.price-card__list li::before { content: '✓ '; color: var(--green); }

/* --- CTA --- */
.cta {
  padding: 100px 0; text-align: center; border-top: 1px solid var(--border); position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0,112,243,.06), transparent),
    radial-gradient(ellipse 40% 40% at 30% 60%, rgba(120,40,200,.04), transparent),
    var(--bg2);
}
.cta h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 12px; }
.cta p { font-size: 17px; color: var(--text2); margin-bottom: 32px; max-width: 480px; margin-left: auto; margin-right: auto; }

/* --- Footer --- */
.footer { border-top: 1px solid var(--border); padding: 48px 0 0; }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer__logo { font-weight: 700; font-size: 18px; margin-bottom: 12px; }
.footer__brand p { font-size: 14px; color: var(--text2); }
.footer__heading { font-weight: 600; font-size: 14px; margin-bottom: 16px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col a { font-size: 14px; color: var(--text2); transition: color .15s; }
.footer__col a:hover { color: var(--text); }
.footer__bottom { padding: 24px 0; border-top: 1px solid var(--border); font-size: 13px; color: var(--text3); }

/* --- Mobile --- */
@media (max-width: 768px) {
  .nav__links, .nav__actions { display: none; }
  .nav__links--open, .nav__actions--open { display: flex; }
  .nav__burger { display: block; }
  .nav__inner { flex-wrap: wrap; height: auto; padding: 12px 24px; gap: 12px; }
  .nav__links--open { flex-direction: column; width: 100%; gap: 12px; }
  .nav__actions--open { width: 100%; }
  .features__grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; align-items: center; }
  .step__arrow { transform: rotate(90deg); }
  .pricing__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .hero__actions { flex-direction: column; align-items: center; }
}