:root{
  --black:#0b0b0d; --dark:#111114; --gray:#86868b; --lightgray:#f5f5f7;
  --white:#fff; --blue:#0071e3; --blue-dark:#0060c0; --radius:20px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--black); background:var(--white); line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* NAV */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.06)}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 22px;height:52px;
  display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:700;font-size:20px;letter-spacing:-.02em}
.brand span{color:var(--blue)}
.nav-links{display:flex;gap:28px}
.nav-links a{font-size:13.5px;color:#1d1d1f;opacity:.85;transition:.2s}
.nav-links a:hover{opacity:1;color:var(--blue)}
.nav-cta{font-size:13px;font-weight:500;background:var(--blue);color:#fff;
  padding:7px 16px;border-radius:20px;transition:.2s}
.nav-cta:hover{background:var(--blue-dark)}

/* HERO */
.hero{max-width:1100px;margin:0 auto;padding:70px 22px 40px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;min-height:82vh}
.eyebrow{font-size:14px;font-weight:600;color:var(--blue);letter-spacing:.01em;margin-bottom:14px}
.eyebrow.center{text-align:center}
.hero h1{font-size:clamp(48px,8vw,88px);font-weight:800;letter-spacing:-.04em;line-height:1.02}
.hero-slogan{font-size:clamp(19px,2.4vw,26px);color:#1d1d1f;margin:20px 0 30px;font-weight:400}
.hero-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:46px}
.hero-stats b{display:block;font-size:34px;font-weight:800;letter-spacing:-.03em}
.hero-stats span{font-size:14px;color:var(--gray)}
.hero-image img{width:100%;border-radius:28px;object-fit:cover;aspect-ratio:4/5;
  box-shadow:0 30px 80px rgba(0,0,0,.18)}

/* BUTTONS */
.btn-primary{display:inline-block;background:var(--blue);color:#fff;font-weight:500;
  font-size:16px;padding:12px 26px;border-radius:30px;border:none;cursor:pointer;transition:.2s}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px)}
.btn-primary.full{width:100%;text-align:center;font-size:17px;padding:15px}
.btn-link{color:var(--blue);font-size:16px;font-weight:500}
.btn-link:hover{text-decoration:underline}

/* SECTIONS */
.section{padding:100px 0}
.section.dark{background:var(--black);color:#f5f5f7}
.section.soft{background:var(--lightgray)}
.wrap{max-width:1100px;margin:0 auto;padding:0 22px}
.wrap.narrow{max-width:640px}
.section-title{font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.03em;
  text-align:center;line-height:1.05;margin-bottom:16px}
.section-lead{text-align:center;color:var(--gray);font-size:19px;max-width:640px;
  margin:0 auto 54px}
.section.dark .section-lead{color:#a1a1a6}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-top:20px}
.about-text p{font-size:18px;color:#c7c7cc;margin-bottom:18px}
.certs{list-style:none;margin-top:26px;display:grid;gap:12px}
.certs li{padding-left:28px;position:relative;font-size:16px;color:#f5f5f7}
.certs li::before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:700}
.about-photo img{border-radius:var(--radius);aspect-ratio:1/1;object-fit:cover;width:100%}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--white);border:1px solid #e8e8ed;border-radius:var(--radius);
  padding:0 0 26px;overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(0,0,0,.08)}
.card-img{aspect-ratio:16/10;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover}
.card h3{font-size:22px;font-weight:700;margin:22px 24px 10px;letter-spacing:-.02em}
.card p{color:var(--gray);font-size:15.5px;margin:0 24px 16px}
.card .btn-link{margin:0 24px}

/* RESULTS */
.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.result-card{background:var(--white);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 10px 40px rgba(0,0,0,.06)}
.result-img{aspect-ratio:4/5;overflow:hidden}
.result-img img{width:100%;height:100%;object-fit:cover}
.result-body{padding:24px}
.result-metric{display:inline-block;background:var(--blue);color:#fff;font-size:14px;
  font-weight:600;padding:5px 14px;border-radius:20px;margin-bottom:14px}
.result-body h3{font-size:20px;margin-bottom:8px}
.result-body p{color:var(--gray);font-size:15px}

/* PLANS */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{border:1px solid #e8e8ed;border-radius:var(--radius);padding:34px 28px;position:relative;background:#fff}
.plan.featured{border:2px solid var(--blue);box-shadow:0 20px 60px rgba(0,113,227,.15)}
.plan-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--blue);color:#fff;font-size:13px;font-weight:600;padding:5px 16px;border-radius:20px}
.plan h3{font-size:22px;font-weight:700}
.plan-price{margin:16px 0 22px}
.plan-price b{font-size:38px;font-weight:800;letter-spacing:-.03em}
.plan-price span{display:block;color:var(--gray);font-size:15px;margin-top:4px}
.plan ul{list-style:none;margin-bottom:26px;display:grid;gap:12px}
.plan li{padding-left:26px;position:relative;font-size:15.5px;color:#1d1d1f}
.plan li::before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:700}

/* REVIEWS */
.reviews-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.review{background:#1c1c1f;border:1px solid #2a2a2e;border-radius:var(--radius);padding:34px}
.review blockquote{font-size:19px;line-height:1.5;color:#f5f5f7;margin-bottom:18px;font-weight:300}
.review figcaption{color:var(--blue);font-weight:600;font-size:15px}

/* SIGNUP */
.signup{background:linear-gradient(180deg,#f5f5f7,#fff)}
.lead-form{display:grid;gap:20px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:#1d1d1f}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;border:1px solid #d2d2d7;
  border-radius:12px;font-size:16px;font-family:inherit;background:#fff;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;
  border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,113,227,.12)}
.field textarea{resize:vertical}
.success{background:#e7f6ec;border:1px solid #b7e4c7;color:#1a7f3c;padding:24px;
  border-radius:var(--radius);text-align:center;font-size:18px;font-weight:500}

/* CONTACTS */
.contacts-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:36px}
.ci{padding:16px 0;border-bottom:1px solid #e8e8ed}
.ci span{display:block;font-size:13px;color:var(--gray);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}
.ci b{font-size:17px;font-weight:500}
.ci a{color:var(--blue)}
.socials{display:flex;gap:18px;margin-top:24px}
.socials a{color:var(--blue);font-weight:500;font-size:15px}
.contacts-map{border-radius:var(--radius);overflow:hidden;min-height:380px}
.contacts-map iframe{width:100%;height:100%;min-height:380px;border:0}

/* FOOTER */
.footer{background:var(--lightgray);padding:30px 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;
  color:var(--gray);font-size:13.5px}
.footer-inner a{color:var(--blue)}

/* RESPONSIVE */
@media(max-width:900px){
  .nav-links{display:none}
  .hero{grid-template-columns:1fr;padding-top:40px;text-align:center;min-height:auto}
  .hero-actions,.hero-stats{justify-content:center}
  .hero-image{order:-1}
  .about-grid,.contacts-grid{grid-template-columns:1fr}
  .cards,.results-grid,.plans,.reviews-grid{grid-template-columns:1fr}
  .section{padding:70px 0}
}
@media(max-width:520px){
  .hero-stats{gap:22px}
  .hero-stats b{font-size:26px}
}