:root {
  --blue: #2f5bea;
  --blue-deep: #1d3fb8;
  --blue-soft: #e9eeff;
  --yellow: #ffd23f;
  --green: #17a673;
  --ink: #141b33;
  --muted: #5b6480;
  --line: #e1e6f3;
  --bg: #f7f9ff;
  --white: #ffffff;
  --radius: 18px;
  --max: 1120px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

h1, h2, h3 { line-height: 1.1; margin: 0 0 .5em; letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.hl { color: var(--blue); }

.eyebrow {
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: .9em;
}

.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }

.pill {
  display: inline-block;
  padding: .4em 1em;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: .85rem;
  font-weight: 700;
  margin-bottom: 22px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: .85em 1.6em;
  border-radius: 12px;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--blue);
  transition: background .15s, transform .15s, box-shadow .15s;
  overflow-wrap: anywhere;
}
.btn:hover { background: var(--blue-deep); border-color: var(--blue-deep); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(47,91,234,.25); }
.btn:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
.btn-ghost, .btn-outline { background: transparent; color: var(--blue-deep); }
.btn-ghost:hover, .btn-outline:hover { background: var(--blue-soft); color: var(--blue-deep); border-color: var(--blue); box-shadow: none; }
.btn-light { background: var(--yellow); color: var(--ink); border-color: var(--yellow); }
.btn-light:hover { background: #ffdd66; border-color: #ffdd66; box-shadow: 0 10px 24px rgba(0,0,0,.2); }
.btn-small { padding: .5em 1.1em; font-size: .92rem; border-radius: 10px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.wordmark { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; }
.wordmark b { color: var(--blue); }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a:not(.btn) { text-decoration: none; font-weight: 600; font-size: .95rem; color: var(--muted); }
.nav a:not(.btn):hover { color: var(--blue); }

/* Hero */
.hero {
  padding: 76px 0 92px;
  background:
    radial-gradient(520px 340px at 92% 12%, rgba(255,210,63,.3), transparent 65%),
    radial-gradient(600px 400px at 0% 100%, rgba(47,91,234,.12), transparent 65%),
    var(--bg);
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 56px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Session mock */
.session {
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(20,27,51,.14);
  overflow: hidden;
  transform: rotate(1.500deg);
}
.session-bar { display: flex; align-items: center; gap: 7px; padding: 14px 18px; background: var(--ink); }
.session-bar span { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.3); }
.session-bar em { margin-left: 10px; font-style: normal; font-size: .82rem; font-weight: 600; color: rgba(255,255,255,.8); }
.session-list { list-style: none; margin: 0; padding: 20px 24px 8px; display: grid; gap: 12px; }
.session-list li { position: relative; padding-left: 36px; font-weight: 600; }
.session-list li::before {
  content: ""; position: absolute; left: 0; top: 1px;
  width: 24px; height: 24px; border-radius: 50%; background: #dff5ec;
}
.session-list li::after {
  content: ""; position: absolute; left: 9px; top: 6px;
  width: 6px; height: 11px;
  border: solid var(--green); border-width: 0 2.500px 2.500px 0;
  transform: rotate(45deg);
}
.session-result { display: flex; align-items: center; gap: 14px; margin: 16px 20px 22px; padding: 16px 18px; background: var(--blue); color: var(--white); border-radius: 14px; }
.session-result strong { display: block; font-size: 1.1rem; }
.session-result small { color: rgba(255,255,255,.85); }
.smile { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--yellow); position: relative; }
.smile::before { content: ""; position: absolute; left: 11px; top: 12px; width: 5px; height: 5px; border-radius: 50%; background: var(--ink); box-shadow: 13px 0 0 var(--ink); }
.smile::after { content: ""; position: absolute; left: 10px; top: 16px; width: 20px; height: 13px; border: solid var(--ink); border-width: 0 0 3px 0; border-radius: 0 0 20px 20px; }

/* Sections */
.section { padding: 92px 0; }
.section-alt { background: var(--bg); }

/* Icons */
.icon { width: 50px; height: 50px; border-radius: 14px; background: var(--blue-soft); display: grid; place-items: center; margin-bottom: 18px; }
.icon svg { width: 26px; height: 26px; fill: none; stroke: var(--blue); stroke-width: 1.800; stroke-linecap: round; stroke-linejoin: round; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 44px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--blue); transform: translateY(-3px); }
.card p { color: var(--muted); margin: 0; font-size: .97rem; }

/* Brands */
.brands { margin-top: 40px; padding: 26px 28px; background: var(--bg); border-radius: var(--radius); text-align: center; }
.brands p { margin: 0 0 14px; font-weight: 700; }
.brands ul { list-style: none; margin: 0 0 14px; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.brands li { padding: .4em 1.1em; background: var(--white); border: 1px solid var(--line); border-radius: 999px; font-weight: 600; color: var(--muted); }
.brands small { color: var(--muted); }

/* Steps */
.steps { list-style: none; margin: 44px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps li { background: var(--white); border-radius: var(--radius); padding: 28px 26px; }
.steps p { color: var(--muted); margin: 0; }
.step-num { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--yellow); color: var(--ink); font-weight: 800; font-size: 1.15rem; margin-bottom: 16px; }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.plan.featured { border: 2px solid var(--blue); box-shadow: 0 20px 44px rgba(47,91,234,.15); }
.plan .price { color: var(--muted); margin-bottom: 1.1em; }
.plan .price strong { font-size: 2.4rem; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.plan ul { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 9px; }
.plan li { position: relative; padding-left: 28px; }
.plan li::before {
  content: ""; position: absolute; left: 5px; top: .32em;
  width: 7px; height: 12px;
  border: solid var(--green); border-width: 0 2.500px 2.500px 0;
  transform: rotate(45deg);
}
.plan .btn { margin-top: auto; text-align: center; }
.badge { position: absolute; top: -13px; left: 24px; background: var(--yellow); color: var(--ink); font-size: .75rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: .3em .9em; border-radius: 999px; }
.plans-note { margin: 24px 0 0; color: var(--muted); font-size: .95rem; text-align: center; }

/* FAQ */
.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 56px; align-items: start; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: var(--white); border-radius: 14px; padding: 4px 22px; }
.faq-list summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--blue); }
.faq-list details[open] summary::after { content: "–"; }
.faq-list summary:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; border-radius: 8px; }
.faq-list p { color: var(--muted); margin: 0 0 16px; }

/* Contact */
.contact { background: var(--blue); color: var(--white); text-align: center; }
.contact .eyebrow { color: var(--yellow); }
.contact .lead { color: rgba(255,255,255,.9); margin: 0 auto 1.6em; }
.contact-inner { display: flex; flex-direction: column; align-items: center; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,.75); font-size: .9rem; }
.footer-inner { display: flex; align-items: flex-start; gap: 16px; padding-top: 26px; padding-bottom: 26px; }
.footer-inner img { flex: none; }
.footer-inner p { margin: 0 0 .5em; }
.footer-inner a { color: var(--yellow); }
.legal { font-size: .8rem; color: rgba(255,255,255,.55); max-width: 62em; margin: 0; }

/* Responsive */
@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 880px) {
  .hero-inner, .faq { grid-template-columns: 1fr; gap: 36px; }
  .steps, .plans { grid-template-columns: 1fr; }
  .hero { padding: 52px 0 68px; }
  .section { padding: 68px 0; }
  .nav a:not(.btn) { display: none; }
  .session { max-width: 420px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .cards { grid-template-columns: 1fr; }
  .session { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
