* { margin:0; padding:0; box-sizing:border-box; }
:root {
  --sky: #1e5fa3;
  --sky-light: #3d82cc;
  --sky-deep: #174c84;
  --bg: #f3f7fc;
  --bg-card: #ffffff;
  --bg-soft: #e8f0f8;
  --text: #1a2a3a;
  --text-soft: #4d6070;
  --border: #dae3ee;
}
body { font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--text); overflow-x: hidden; }

/* NAV */
nav { position: fixed; top: 0; width: 100%; background: rgba(243,247,252,0.95); backdrop-filter: blur(10px); z-index: 100; padding: 10px 48px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); box-shadow: 0 2px 12px rgba(30,95,163,0.06); }
.nav-logo img { height: 44px; width: auto; display: block; }
nav ul { list-style: none; display: flex; gap: 28px; }
nav ul a { color: var(--text-soft); text-decoration: none; font-size: 14px; letter-spacing: 0.5px; transition: color 0.2s; }
nav ul a:hover { color: var(--sky); }
.nav-btn { background: var(--sky); color: #fff; border: none; padding: 10px 24px; border-radius: 6px; font-weight: 700; font-size: 13px; cursor: pointer; letter-spacing: 0.5px; transition: background 0.2s; }
.nav-btn:hover { background: var(--sky-deep); }

/* HERO */
.hero { min-height: 95vh; position: relative; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(243,247,252,0.5) 0%, rgba(243,247,252,0.72) 55%, var(--bg) 100%); }
.hero-content { position: relative; z-index: 2; padding: 130px 40px 70px; max-width: 900px; }
.hero-logo { margin-bottom: 36px; display: flex; justify-content: center; }
.hero-logo img { height: 130px; width: auto; filter: drop-shadow(0 2px 12px rgba(255,255,255,0.7)); }
.hero h1 { font-size: clamp(36px, 5.5vw, 70px); font-weight: 900; line-height: 1.05; text-transform: uppercase; letter-spacing: -1px; margin-bottom: 18px; color: var(--text); }
.hero h1 span { color: var(--sky); display: block; }
.hero p { font-size: 18px; color: var(--text-soft); max-width: 560px; margin: 0 auto 36px; line-height: 1.7; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary { background: var(--sky); color: #fff; padding: 16px 40px; border-radius: 6px; font-weight: 700; font-size: 15px; text-decoration: none; transition: background 0.2s, transform 0.15s; display: inline-block; box-shadow: 0 4px 16px rgba(30,95,163,0.22); }
.btn-primary:hover { background: var(--sky-deep); transform: translateY(-2px); }
.btn-outline { border: 1.5px solid var(--sky); color: var(--sky-deep); background: rgba(255,255,255,0.75); padding: 16px 40px; border-radius: 6px; font-size: 15px; text-decoration: none; transition: all 0.2s; display: inline-block; }
.btn-outline:hover { background: #fff; border-color: var(--sky-deep); }
.hero-stats { display: flex; gap: 0; justify-content: center; margin-top: 60px; border-top: 1px solid rgba(30,95,163,0.18); padding-top: 36px; flex-wrap: wrap; }
.stat { padding: 0 44px; text-align: center; border-right: 1px solid rgba(30,95,163,0.18); }
.stat:last-child { border-right: none; }
.stat-num { font-size: 34px; font-weight: 900; color: var(--sky); display: block; }
.stat-label { font-size: 12px; color: var(--text-soft); letter-spacing: 1px; text-transform: uppercase; margin-top: 4px; }

/* ABOUT */
.about-wrap { background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.about-text h2 { font-size: clamp(24px,3.5vw,36px); font-weight: 900; text-transform: uppercase; margin-bottom: 18px; line-height: 1.15; }
.about-text h2 span { color: var(--sky); }
.about-text p.lead { font-size: 16px; color: var(--text-soft); line-height: 1.75; margin-bottom: 24px; }
.about-list { list-style: none; margin-bottom: 24px; }
.about-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: var(--text); margin-bottom: 14px; line-height: 1.5; }
.about-list li::before { content: "✕"; color: var(--sky); font-weight: 900; flex-shrink: 0; margin-top: 1px; }
.about-img { border-radius: 14px; overflow: hidden; height: 380px; background-image: url('assets/tandem.jpg'); background-size: cover; background-position: center top; border: 1px solid var(--border); box-shadow: 0 8px 30px rgba(30,95,163,0.1); }

/* WARNING */
.warning-box { background: #fdf3ec; border: 1px solid #f0d3b8; border-radius: 10px; padding: 20px 24px; font-size: 14px; color: #7a4a1f; line-height: 1.6; display: flex; gap: 14px; align-items: flex-start; }
.warning-box .ico { font-size: 22px; flex-shrink: 0; }

/* SECTIONS */
.section { padding: 90px 48px; max-width: 1120px; margin: 0 auto; }
.section-label { font-size: 12px; letter-spacing: 3px; color: var(--sky); text-transform: uppercase; margin-bottom: 12px; font-weight: 700; }
.section-title { font-size: clamp(28px, 4vw, 44px); font-weight: 900; text-transform: uppercase; margin-bottom: 56px; letter-spacing: -0.5px; }
.section-title span { color: var(--sky); }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.svc { border-radius: 12px; overflow: hidden; background: var(--bg-card); border: 1px solid var(--border); transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s; display: flex; flex-direction: column; box-shadow: 0 2px 12px rgba(30,95,163,0.05); }
.svc:hover { border-color: var(--sky-light); transform: translateY(-6px); box-shadow: 0 12px 30px rgba(30,95,163,0.12); }
.svc-img { height: 190px; background-size: cover; background-position: center; flex-shrink: 0; }
.svc-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.svc-icon { font-size: 28px; margin-bottom: 12px; display: block; }
.svc h3 { font-size: 19px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.svc-price { font-size: 26px; font-weight: 900; color: var(--sky); margin-bottom: 16px; }
.svc-price small { font-size: 12px; color: var(--text-soft); font-weight: 400; margin-left: 4px; display: block; }
.svc-details { list-style: none; margin-bottom: 18px; flex: 1; }
.svc-details li { font-size: 13px; color: var(--text-soft); line-height: 1.6; margin-bottom: 8px; padding-left: 16px; position: relative; }
.svc-details li::before { content: "—"; position: absolute; left: 0; color: var(--sky-light); }
.svc-note { font-size: 12px; color: var(--text-soft); line-height: 1.6; border-top: 1px solid var(--border); padding-top: 14px; margin-top: auto; }

/* PLANE */
.plane-section { background: var(--bg-soft); padding: 70px 48px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.plane-inner { max-width: 1120px; margin: 0 auto; }
.plane-caption { text-align: center; max-width: 600px; margin: 0 auto 36px; }
.plane-caption h2 { font-size: 30px; font-weight: 900; text-transform: uppercase; margin-bottom: 14px; }
.plane-caption p { font-size: 15px; color: var(--text-soft); line-height: 1.7; }
.plane-bg { height: 380px; background-image: url('assets/plane.jpg'); background-size: cover; background-position: center; border-radius: 14px; border: 1px solid var(--border); box-shadow: 0 8px 30px rgba(30,95,163,0.1); }

/* STEPS */
.steps-bg { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.step { padding: 48px 36px; border-right: 1px solid var(--border); }
.step:last-child { border-right: none; }
.step-num { font-size: 64px; font-weight: 900; color: var(--bg-soft); line-height: 1; margin-bottom: 16px; }
.step h3 { font-size: 16px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; color: var(--sky); }
.step p { font-size: 13px; color: var(--text-soft); line-height: 1.65; }

/* WHY */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.why-item { background: var(--bg-card); border-radius: 10px; padding: 28px 24px; border-left: 3px solid var(--sky); box-shadow: 0 2px 10px rgba(30,95,163,0.05); }
.why-item h4 { font-size: 15px; font-weight: 800; text-transform: uppercase; margin-bottom: 10px; }
.why-item p { font-size: 13px; color: var(--text-soft); line-height: 1.65; }

/* CTA */
.cta-wrap { background: linear-gradient(135deg, var(--sky) 0%, var(--sky-deep) 100%); }
.cta-inner { text-align: center; padding: 90px 40px; max-width: 700px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(30px,4vw,52px); font-weight: 900; text-transform: uppercase; margin-bottom: 16px; color: #fff; }
.cta-inner p { color: rgba(255,255,255,0.85); font-size: 16px; margin-bottom: 40px; line-height: 1.7; }
.btn-white { background: #fff; color: var(--sky-deep); padding: 18px 48px; border-radius: 6px; font-weight: 900; font-size: 16px; text-decoration: none; display: inline-block; transition: transform 0.15s; }
.btn-white:hover { transform: translateY(-2px); }

/* CONTACTS */
.contacts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; margin-bottom: 32px; }
.contact-item { background: var(--bg-card); border-radius: 10px; padding: 32px 24px; text-align: center; border: 1px solid var(--border); transition: border-color 0.2s, box-shadow 0.2s; }
.contact-item:hover { border-color: var(--sky-light); box-shadow: 0 8px 20px rgba(30,95,163,0.1); }
.contact-icon { font-size: 36px; margin-bottom: 14px; display: block; }
.contact-item h4 { font-size: 11px; letter-spacing: 2px; color: var(--text-soft); text-transform: uppercase; margin-bottom: 8px; }
.contact-item a, .contact-item p { color: var(--text); text-decoration: none; font-size: 16px; font-weight: 700; }
.contact-item a:hover { color: var(--sky); }
.legal-note { font-size: 11px; color: var(--text-soft); text-align: center; line-height: 1.6; margin-top: 24px; }

/* FOOTER */
footer { background: var(--bg-soft); text-align: center; padding: 36px 40px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-soft); }
footer a { color: var(--sky); text-decoration: none; }

@media (max-width: 800px) {
  nav { padding: 10px 20px; }
  nav ul { display: none; }
  .section { padding: 60px 20px; }
  .about { grid-template-columns: 1fr; }
  .about-img { height: 260px; order: -1; }
  .stat { padding: 0 20px; }
  .plane-section { padding: 50px 20px; }
  .step { padding: 32px 24px; border-right: none; border-bottom: 1px solid var(--border); }
  .step:last-child { border-bottom: none; }
}