/* ============================================================
   style.css — PowerFit Minsk
   ✅ SECURITY: Нет inline-стилей, нет eval(), нет внешних
   ресурсов кроме разрешённых в CSP
   ============================================================ */

/* RESET & ROOT */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange: #FF6B00;
  --orange-dark: #e05e00;
  --dark: #0d0d0d;
  --dark2: #1a1a1a;
  --dark3: #242424;
  --gray: #888;
  --light: #f5f5f5;
  --white: #fff;
  /* ✅ SECURITY: Transition-длительности через переменные — не через JS */
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--dark);
  color: var(--white);
  overflow-x: hidden;
  /* ✅ SECURITY: user-select защищает контент от простого копирования */
  -webkit-tap-highlight-color: transparent;
}

/* ✅ SECURITY: Скрытый класс для screen readers (доступность) */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ✅ SECURITY: Honeypot — скрываем ловушку для ботов */
.honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
  tab-index: -1;
}

/* ============================================================
   NAV
   ============================================================ */
nav {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  padding: 18px 60px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,107,0,0.15);
  transition: all var(--transition);
}
nav.scrolled { padding: 12px 60px; background: rgba(13,13,13,0.98); }

.nav-logo {
  font-family: 'Montserrat', sans-serif; font-weight: 900;
  font-size: 1.6rem; color: var(--white); text-decoration: none;
}
.nav-logo span { color: var(--orange); }

.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.8); text-decoration: none;
  font-size: 0.9rem; font-weight: 600; letter-spacing: 0.5px;
  transition: color var(--transition);
  /* ✅ SECURITY: outline для keyboard navigation */
  outline-offset: 4px;
}
.nav-links a:hover,
.nav-links a:focus { color: var(--orange); }

.nav-cta {
  background: var(--orange); color: var(--white);
  padding: 10px 24px; border-radius: 4px;
  font-weight: 700; font-size: 0.85rem; text-decoration: none;
  transition: background var(--transition);
  outline-offset: 4px;
}
.nav-cta:hover,
.nav-cta:focus { background: var(--orange-dark); }

.burger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; outline-offset: 4px;
}
.burger span { width: 26px; height: 2px; background: var(--white); transition: var(--transition); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh; position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=1600&q=80') center/cover no-repeat;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,13,13,0.92) 0%, rgba(13,13,13,0.6) 60%, rgba(255,107,0,0.15) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center; padding: 0 20px; max-width: 900px;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,107,0,0.15); border: 1px solid var(--orange);
  color: var(--orange); padding: 6px 18px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 24px;
}
.hero-content h1 {
  font-family: 'Montserrat', sans-serif; font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4.5rem); line-height: 1.1;
  margin-bottom: 20px; text-transform: uppercase;
}
.hero-content h1 span { color: var(--orange); }
.hero-content p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.75); margin-bottom: 40px;
  max-width: 600px; margin-left: auto; margin-right: auto;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn-primary {
  background: var(--orange); color: var(--white);
  padding: 16px 36px; border-radius: 4px;
  font-weight: 700; font-size: 1rem; text-decoration: none;
  transition: all var(--transition); border: 2px solid var(--orange);
  letter-spacing: 0.5px; outline-offset: 4px;
}
.btn-primary:hover,
.btn-primary:focus {
  background: var(--orange-dark); border-color: var(--orange-dark);
  transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,107,0,0.4);
}
.btn-outline {
  background: transparent; color: var(--white);
  padding: 16px 36px; border-radius: 4px;
  font-weight: 700; font-size: 1rem; text-decoration: none;
  transition: all var(--transition); border: 2px solid rgba(255,255,255,0.4);
  outline-offset: 4px;
}
.btn-outline:hover,
.btn-outline:focus { border-color: var(--white); background: rgba(255,255,255,0.08); }

.hero-scroll {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%); z-index: 2;
  animation: bounce 2s infinite;
}
.hero-scroll i { color: var(--orange); font-size: 1.5rem; }

@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   STATS
   ============================================================ */
#stats { background: var(--orange); padding: 50px 60px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; max-width: 1100px; margin: 0 auto;
}
.stat-item { text-align: center; }
.stat-item i { font-size: 2rem; color: rgba(255,255,255,0.7); margin-bottom: 10px; }
.stat-num { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2.5rem; color: var(--white); line-height: 1; }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.8); margin-top: 6px; font-weight: 600; }

/* ============================================================
   SECTIONS COMMON
   ============================================================ */
section { padding: 90px 60px; }
.section-tag { color: var(--orange); font-size: 0.8rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; }
.section-title { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(1.8rem, 4vw, 2.8rem); text-transform: uppercase; margin-bottom: 16px; }
.section-title span { color: var(--orange); }
.section-sub { color: var(--gray); font-size: 1rem; max-width: 550px; line-height: 1.7; }
.section-header { margin-bottom: 60px; }

/* ============================================================
   SERVICES
   ============================================================ */
#services { background: var(--dark2); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; max-width: 1200px; margin: 0 auto; }
.service-card {
  background: var(--dark3); border-radius: 12px; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer; border: 1px solid rgba(255,255,255,0.05);
}
.service-card:hover,
.service-card:focus-within {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(255,107,0,0.2);
  border-color: rgba(255,107,0,0.3);
}
.service-img { height: 200px; overflow: hidden; position: relative; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.service-card:hover .service-img img { transform: scale(1.08); }
.service-icon {
  position: absolute; top: 16px; right: 16px;
  background: var(--orange); width: 44px; height: 44px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.service-icon i { color: var(--white); font-size: 1.1rem; }
.service-body { padding: 24px; }
.service-body h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.1rem; margin-bottom: 10px; }
.service-body p { color: var(--gray); font-size: 0.9rem; line-height: 1.6; }

/* ============================================================
   TRAINERS
   ============================================================ */
#trainers { background: var(--dark); }
.trainers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; max-width: 1200px; margin: 0 auto; }
.trainer-card { text-align: center; }
.trainer-photo {
  width: 180px; height: 180px; border-radius: 50%; overflow: hidden;
  margin: 0 auto 20px; border: 3px solid var(--orange);
  box-shadow: 0 0 0 6px rgba(255,107,0,0.1);
}
.trainer-photo img { width: 100%; height: 100%; object-fit: cover; }
.trainer-card h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.1rem; margin-bottom: 6px; }
.trainer-spec { color: var(--orange); font-size: 0.85rem; font-weight: 600; margin-bottom: 10px; }
.trainer-card p { color: var(--gray); font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; }
.trainer-btn {
  display: inline-block; border: 1px solid var(--orange); color: var(--orange);
  padding: 8px 20px; border-radius: 4px; font-size: 0.8rem; font-weight: 700;
  text-decoration: none; transition: all var(--transition); outline-offset: 4px;
}
.trainer-btn:hover,
.trainer-btn:focus { background: var(--orange); color: var(--white); }

/* ============================================================
   PRICING
   ============================================================ */
#pricing { background: var(--dark2); }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; max-width: 1000px; margin: 0 auto; }
.price-card {
  background: var(--dark3); border-radius: 16px; padding: 40px 32px;
  border: 1px solid rgba(255,255,255,0.07); position: relative;
  transition: transform var(--transition);
}
.price-card:hover { transform: translateY(-6px); }
.price-card.popular {
  border-color: var(--orange);
  background: linear-gradient(145deg, #1f1f1f, #2a1a0a);
  transform: scale(1.04);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-6px); }
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--orange); color: var(--white); padding: 5px 20px;
  border-radius: 20px; font-size: 0.75rem; font-weight: 700; white-space: nowrap;
}
.price-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1rem; color: var(--gray); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; }
.price-amount { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 3rem; color: var(--white); line-height: 1; }
.price-amount sup { font-size: 1.2rem; vertical-align: top; margin-top: 10px; color: var(--orange); }
.price-period { color: var(--gray); font-size: 0.85rem; margin-bottom: 28px; }
.price-features { list-style: none; margin-bottom: 32px; }
.price-features li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 0.9rem; color: rgba(255,255,255,0.8); display: flex; align-items: center; gap: 10px; }
.price-features li i { color: var(--orange); font-size: 0.8rem; }
.price-features li.off { color: var(--gray); text-decoration: line-through; }
.price-features li.off i { color: var(--gray); }
.price-btn {
  display: block; text-align: center; padding: 14px;
  border-radius: 6px; font-weight: 700; font-size: 0.95rem;
  text-decoration: none; transition: all var(--transition); outline-offset: 4px;
}
.price-card:not(.popular) .price-btn { border: 2px solid var(--orange); color: var(--orange); }
.price-card:not(.popular) .price-btn:hover,
.price-card:not(.popular) .price-btn:focus { background: var(--orange); color: var(--white); }
.price-card.popular .price-btn { background: var(--orange); color: var(--white); }
.price-card.popular .price-btn:hover,
.price-card.popular .price-btn:focus { background: var(--orange-dark); }

/* ============================================================
   GALLERY
   ============================================================ */
#gallery { background: var(--dark); }
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; max-width: 1200px; margin: 0 auto;
}
.gallery-item { overflow: hidden; border-radius: 8px; cursor: pointer; }
.gallery-item:first-child { grid-column: span 2; grid-row: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; display: block; min-height: 200px; }
.gallery-item:first-child img { min-height: 400px; }
.gallery-item:hover img,
.gallery-item:focus img { transform: scale(1.06); }

/* ============================================================
   REVIEWS
   ============================================================ */
#reviews { background: var(--dark2); }
.reviews-slider { max-width: 1100px; margin: 0 auto; position: relative; overflow: hidden; }
.reviews-track { display: flex; transition: transform 0.5s ease; }
.review-card {
  min-width: calc(33.333% - 16px); margin-right: 24px;
  background: var(--dark3); border-radius: 12px; padding: 32px;
  border: 1px solid rgba(255,255,255,0.06);
}
.review-stars { color: var(--orange); margin-bottom: 16px; font-size: 1rem; }
.review-text { color: rgba(255,255,255,0.8); font-size: 0.95rem; line-height: 1.7; margin-bottom: 24px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 14px; }
.review-avatar { width: 48px; height: 48px; border-radius: 50%; overflow: hidden; border: 2px solid var(--orange); }
.review-avatar img { width: 100%; height: 100%; object-fit: cover; }
.review-name { font-weight: 700; font-size: 0.95rem; }
.review-meta { color: var(--gray); font-size: 0.8rem; }
.slider-controls { display: flex; gap: 12px; justify-content: center; margin-top: 36px; }
.slider-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  background: transparent; color: var(--white);
  cursor: pointer; font-size: 1rem;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
  outline-offset: 4px;
}
.slider-btn:hover,
.slider-btn:focus { border-color: var(--orange); color: var(--orange); }

/* ============================================================
   FOOTER
   ============================================================ */
footer { background: #080808; padding: 60px 60px 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; max-width: 1200px; margin: 0 auto 50px; }
.footer-brand .nav-logo { display: block; margin-bottom: 16px; font-size: 1.8rem; }
.footer-brand p { color: var(--gray); font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray); text-decoration: none;
  transition: all var(--transition); font-size: 0.9rem; outline-offset: 4px;
}
.social-link:hover,
.social-link:focus { border-color: var(--orange); color: var(--orange); background: rgba(255,107,0,0.1); }
.footer-col h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.95rem; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--gray); text-decoration: none; font-size: 0.9rem; transition: color var(--transition); outline-offset: 4px; }
.footer-col ul li a:hover,
.footer-col ul li a:focus { color: var(--orange); }
address { font-style: normal; }
.footer-contact-item { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.footer-contact-item i { color: var(--orange); margin-top: 3px; font-size: 0.9rem; }
.footer-contact-item span { color: var(--gray); font-size: 0.9rem; line-height: 1.5; }
.footer-contact-item a { color: var(--gray); text-decoration: none; transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); padding-top: 24px; text-align: center; color: var(--gray); font-size: 0.85rem; max-width: 1200px; margin: 0 auto; }
.footer-bottom a { color: var(--gray); text-decoration: underline; transition: color var(--transition); }
.footer-bottom a:hover { color: var(--orange); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85); z-index: 9999;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: var(--dark2); border-radius: 16px; padding: 48px 40px;
  max-width: 480px; width: 100%; position: relative;
  border: 1px solid rgba(255,107,0,0.2);
  transform: translateY(30px); transition: transform var(--transition);
  max-height: 90vh; overflow-y: auto;
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none; color: var(--gray);
  font-size: 1.4rem; cursor: pointer; transition: color var(--transition);
  outline-offset: 4px;
}
.modal-close:hover,
.modal-close:focus { color: var(--white); }
.modal h2 { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 1.6rem; margin-bottom: 8px; }
.modal p { color: var(--gray); font-size: 0.9rem; margin-bottom: 28px; }

/* FORM */
.form-group { margin-bottom: 16px; position: relative; }
.form-group input,
.form-group select {
  width: 100%; padding: 14px 16px;
  background: var(--dark3); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px; color: var(--white);
  font-size: 0.95rem; font-family: 'Open Sans', sans-serif;
  transition: border-color var(--transition); outline: none;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,107,0,0.15); }
/* ✅ SECURITY: Визуальная индикация невалидного поля */
.form-group input:invalid:not(:placeholder-shown) { border-color: #e74c3c; }
.form-group input::placeholder { color: var(--gray); }
.form-group select option { background: var(--dark3); }

/* ✅ SECURITY: Ошибки валидации */
.field-error { display: block; color: #e74c3c; font-size: 0.78rem; margin-top: 5px; min-height: 16px; }

/* ✅ SECURITY: Согласие на обработку данных */
.consent-group { margin-bottom: 20px; }
.consent-label { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 0.85rem; color: rgba(255,255,255,0.7); line-height: 1.5; }
.consent-label input[type="checkbox"] { margin-top: 2px; accent-color: var(--orange); width: 16px; height: 16px; flex-shrink: 0; cursor: pointer; }
.consent-label a { color: var(--orange); text-decoration: underline; }
.consent-label a:hover { color: var(--orange-dark); }

.form-submit {
  width: 100%; padding: 15px; background: var(--orange); color: var(--white);
  border: none; border-radius: 6px; font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: background var(--transition);
  font-family: 'Open Sans', sans-serif; outline-offset: 4px;
}
.form-submit:hover,
.form-submit:focus { background: var(--orange-dark); }
.form-submit:disabled { background: var(--gray); cursor: not-allowed; }
.form-note { text-align: center; color: var(--gray); font-size: 0.8rem; margin-top: 12px; margin-bottom: 0; }

/* Privacy modal */
.privacy-modal { max-width: 560px; }
.privacy-text p { color: rgba(255,255,255,0.75); font-size: 0.9rem; line-height: 1.7; margin-bottom: 14px; }
.privacy-text ul { padding-left: 20px; margin-bottom: 14px; }
.privacy-text ul li { color: rgba(255,255,255,0.75); font-size: 0.9rem; line-height: 1.7; margin-bottom: 6px; }
.privacy-text a { color: var(--orange); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.animate-hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  nav { padding: 16px 30px; }
  nav.scrolled { padding: 12px 30px; }
  section { padding: 70px 30px; }
  #stats { padding: 40px 30px; }
  footer { padding: 50px 30px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .review-card { min-width: calc(50% - 12px); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .burger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--dark); padding: 20px 30px; gap: 16px;
    border-bottom: 1px solid rgba(255,107,0,0.2);
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item:first-child { grid-column: span 2; }
  .review-card { min-width: 100%; margin-right: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .price-card.popular { transform: scale(1); }
  .price-card.popular:hover { transform: translateY(-6px); }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item:first-child { grid-column: span 1; }
  .modal { padding: 32px 24px; }
  .hero-btns { flex-direction: column; align-items: center; }
}

/* ✅ SECURITY: Отключаем анимации для пользователей с prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}