*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Open Sans', Arial, sans-serif; background: #0a0a0a; color: #fff; line-height: 1.6; }

/* ---------- container ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- buttons ---------- */
.btn { display: inline-block; padding: 14px 36px; border-radius: 8px; font-weight: 700; text-decoration: none; font-size: 1rem; transition: all .3s; cursor: pointer; border: none; }
.btn-accent { background: #ea0029; color: #fff; }
.btn-accent:hover { background: #c5001f; transform: translateY(-2px); }
.btn-outline { border: 2px solid #fff; color: #fff; background: transparent; }
.btn-outline:hover { background: #fff; color: #0a0a0a; }
.btn-full { width: 100%; text-align: center; }

/* ---------- section tag ---------- */
.section-tag { display: inline-block; background: #ea0029; color: #fff; padding: 6px 18px; border-radius: 20px; font-size: .85rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2rem, 5vw, 3.2rem); color: #fff; margin-bottom: 30px; letter-spacing: 1px; }
section > .container > h2 { text-align: center; }

/* ---------- header ---------- */
.header { position: sticky; top: 0; z-index: 100; background: rgba(10,10,10,.95); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,.08); padding: 12px 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: #fff; }
.logo-icon { font-size: 1.6rem; }
.logo-name { font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; letter-spacing: 2px; }
.logo-name .accent { color: #ea0029; }
.nav { display: flex; gap: 24px; }
.nav a { color: rgba(255,255,255,.7); text-decoration: none; font-size: .9rem; font-weight: 600; transition: color .3s; }
.nav a:hover { color: #ea0029; }
.burger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.burger span { display: block; width: 24px; height: 2px; background: #fff; }

/* mobile nav */
.mobile-nav { display: none; flex-direction: column; padding: 20px; background: #0a0a0a; position: absolute; top: 100%; left: 0; right: 0; border-top: 1px solid rgba(255,255,255,.1); }
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 12px 0; color: rgba(255,255,255,.8); text-decoration: none; font-size: 1.1rem; border-bottom: 1px solid rgba(255,255,255,.05); }

/* ---------- hero ---------- */
.hero { padding: 80px 0 60px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 50%, rgba(234,0,41,.15) 0%, transparent 60%); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; position: relative; z-index: 1; }
.hero-tag { display: inline-block; background: rgba(234,0,41,.15); color: #ea0029; padding: 8px 20px; border-radius: 20px; font-size: .85rem; font-weight: 700; letter-spacing: 1px; margin-bottom: 20px; }
.hero h1 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(3rem, 8vw, 6rem); letter-spacing: 3px; line-height: 1; margin-bottom: 16px; }
.hero p { color: rgba(255,255,255,.7); font-size: 1.1rem; margin-bottom: 8px; }
.hero-sub { margin-bottom: 30px !important; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-photo img { width: 100%; max-width: 480px; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.hero-stats { margin-top: 60px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,.1); position: relative; z-index: 1; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.stat-card { text-align: center; }
.stat-num { display: block; font-family: 'Bebas Neue', sans-serif; font-size: 2.5rem; color: #ea0029; }
.stat-label { color: rgba(255,255,255,.6); font-size: .9rem; }

/* ---------- about ---------- */
.about { padding: 80px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image img { width: 100%; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.about-content p { color: rgba(255,255,255,.75); font-size: 1.05rem; margin-bottom: 16px; }
.about-content strong { color: #fff; }

/* ---------- advantages ---------- */
.advantages { padding: 80px 0; background: #111; }
.adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.adv-card { background: #0a0a0a; border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 30px; transition: transform .3s, border-color .3s; }
.adv-card:hover { transform: translateY(-4px); border-color: #ea0029; }
.adv-icon { font-size: 2.5rem; margin-bottom: 16px; }
.adv-card h3 { font-family: 'Bebas Neue', sans-serif; font-size: 1.4rem; margin-bottom: 10px; }
.adv-card p { color: rgba(255,255,255,.6); font-size: .9rem; }

/* ---------- achievements ---------- */
.achievements { padding: 80px 0; }
.ach-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.ach-item { background: #111; border: 1px solid rgba(255,255,255,.06); border-radius: 10px; padding: 20px; display: flex; gap: 16px; align-items: center; transition: border-color .3s; }
.ach-item:hover { border-color: #ea0029; }
.ach-year { font-family: 'Bebas Neue', sans-serif; font-size: 1.4rem; color: #ea0029; min-width: 50px; }
.ach-place { background: rgba(234,0,41,.15); color: #ea0029; padding: 4px 12px; border-radius: 16px; font-size: .8rem; font-weight: 700; white-space: nowrap; }
.ach-title { color: rgba(255,255,255,.7); font-size: .9rem; }

/* ---------- specialization ---------- */
.specialization { padding: 80px 0; background: #111; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.spec-image img { width: 100%; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.spec-list { display: flex; flex-direction: column; gap: 14px; margin-top: 20px; }
.spec-item { color: rgba(255,255,255,.75); font-size: 1rem; display: flex; align-items: center; gap: 12px; }
.spec-dot { width: 8px; height: 8px; background: #ea0029; border-radius: 50%; flex-shrink: 0; }

/* ---------- results ---------- */
.results { padding: 80px 0; }
.res-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.res-card { background: #111; border: 1px solid rgba(255,255,255,.06); border-radius: 12px; padding: 24px; transition: transform .3s, border-color .3s; }
.res-card:hover { transform: translateY(-4px); border-color: #ea0029; }
.res-weight { font-family: 'Bebas Neue', sans-serif; font-size: 1.8rem; color: #ea0029; margin-bottom: 6px; }
.res-desc { color: rgba(255,255,255,.7); font-size: .95rem; margin-bottom: 10px; }
.res-tag { display: inline-block; background: rgba(234,0,41,.12); color: #ea0029; padding: 4px 14px; border-radius: 16px; font-size: .8rem; font-weight: 700; }

/* ---------- calculator ---------- */
.calculator { padding: 80px 0; background: #111; }
.calc-box { max-width: 500px; margin: 0 auto; background: #0a0a0a; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 40px; }
.calc-row { margin-bottom: 24px; }
.calc-row label { display: block; color: rgba(255,255,255,.7); font-size: .9rem; margin-bottom: 8px; }
.calc-row select, .calc-row input[type="number"] { width: 100%; padding: 12px 16px; background: #1a1a1a; border: 1px solid rgba(255,255,255,.12); border-radius: 8px; color: #fff; font-size: 1rem; outline: none; }
.calc-row select:focus, .calc-row input:focus { border-color: #ea0029; }
.calc-checks { display: flex; gap: 20px; flex-wrap: wrap; }
.calc-checks label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.calc-checks input { accent-color: #ea0029; }
.calc-total { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.1); margin-top: 10px; }
.calc-total span:first-child { color: rgba(255,255,255,.7); font-size: 1.1rem; }
.calc-total span:last-child { font-family: 'Bebas Neue', sans-serif; font-size: 2rem; color: #ea0029; }
.calc-btn { text-align: center; display: block; margin-top: 20px; }

/* ---------- contact ---------- */
.contact { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info p { color: rgba(255,255,255,.7); margin-bottom: 16px; }
.contact-details { margin-top: 30px; display: flex; flex-direction: column; gap: 20px; }
.contact-detail { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-detail strong { display: block; margin-bottom: 4px; }
.contact-detail a { color: #ea0029; text-decoration: none; }
.contact-detail a:hover { text-decoration: underline; }
.success-msg { background: rgba(34,124,51,.2); border: 1px solid rgba(34,124,51,.4); color: #227c33; padding: 14px 20px; border-radius: 8px; margin-bottom: 20px; }

/* contact form */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; color: rgba(255,255,255,.7); font-size: .9rem; margin-bottom: 8px; }
.form-group input, .form-group textarea { width: 100%; padding: 12px 16px; background: #1a1a1a; border: 1px solid rgba(255,255,255,.12); border-radius: 8px; color: #fff; font-size: 1rem; outline: none; font-family: inherit; }
.form-group input:focus, .form-group textarea:focus { border-color: #ea0029; }
.form-group textarea { resize: vertical; }

/* ---------- footer ---------- */
.footer { padding: 50px 0 30px; background: #060606; border-top: 1px solid rgba(255,255,255,.06); }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; }
.footer-brand p { color: rgba(255,255,255,.5); font-size: .9rem; margin-top: 10px; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: rgba(255,255,255,.6); text-decoration: none; font-size: .9rem; }
.footer-nav a:hover { color: #ea0029; }
.footer-contact p { color: rgba(255,255,255,.5); font-size: .9rem; margin-bottom: 4px; }
.footer-contact a { color: #ea0029; text-decoration: none; }
.footer-bottom { grid-column: 1 / -1; text-align: center; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.06); color: rgba(255,255,255,.3); font-size: .85rem; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .nav { display: none; }
  .header-btn { display: none; }
  .burger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-photo { order: -1; text-align: center; }
  .hero-photo img { max-width: 320px; }
  .about-grid, .spec-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
}