/* ===========================================================
   ТРЕНЕР ПО БОКСУ — Landing Page
   Палитра: черный/темно-серый фон + золотые акценты
   =========================================================== */

:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #131313;
  --color-bg-card: #161616;
  --color-border: #2a2a2a;
  --color-gold: #c9a24b;
  --color-gold-light: #e6c877;
  --color-text: #f2f2f0;
  --color-text-muted: #9a9a95;

  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Oswald', sans-serif;

  --container-width: 1180px;
  --transition: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Typography helpers ===== */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
  font-weight: 500;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 24px;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 16px 36px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: center;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn--gold {
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  color: #0a0a0a;
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(201, 162, 75, 0.6);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

.btn--small {
  padding: 12px 24px;
  font-size: 12px;
}

.btn-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text);
  font-size: 20px;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

.btn-icon:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background-color var(--transition);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.logo span {
  color: var(--color-gold);
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__list {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  padding: 10px 22px;
  font-size: 12px;
}

/* ===== Language switcher (EN / CZ) ===== */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
}

.lang-divider {
  color: var(--color-border);
  font-size: 12px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  padding: 4px 2px;
  transition: color var(--transition);
}

.lang-btn:hover {
  color: var(--color-text);
}

.lang-btn.active {
  color: var(--color-gold);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.burger span {
  width: 26px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

.burger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%) contrast(1.1);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.75) 55%, rgba(10,10,10,0.98) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__tag {
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 20px;
  font-weight: 500;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(56px, 12vw, 130px);
  line-height: 0.95;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero__subtitle {
  max-width: 560px;
  font-size: 18px;
  font-weight: 300;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero__scroll span {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s infinite;
}

.hero__scroll p {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

@keyframes scrollPulse {
  0% { opacity: 0.2; }
  50% { opacity: 1; }
  100% { opacity: 0.2; }
}

/* ===== Section base ===== */
section {
  padding: 120px 0;
}

/* ===== About ===== */
.about {
  background: var(--color-bg-alt);
}

.about__inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.about__media {
  position: relative;
}

.about__img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: grayscale(20%);
  position: relative;
  z-index: 1;
  border: 1px solid var(--color-gold);
}

.about__frame {
  display: none;
}

.about__stats {
  display: flex;
  gap: 48px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat__num {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--color-gold);
  line-height: 1;
}

.stat__label {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.about__text p {
  color: var(--color-text-muted);
  margin-bottom: 18px;
  font-weight: 300;
}

/* ===== Cards (shared: achievements + services) ===== */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 40px 30px;
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: scale(1.05);
  border-color: var(--color-gold);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
  z-index: 2;
}

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  color: var(--color-gold);
  font-size: 22px;
  margin-bottom: 24px;
}

.card__title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.card__text {
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 300;
}

/* ===== Achievements ===== */
.achievements__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ===== Services ===== */
.services {
  background: var(--color-bg-alt);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.services__grid--3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 960px;
  margin: 0 auto;
}

.card__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-icon--small {
  width: 40px;
  height: 40px;
  font-size: 16px;
  flex-shrink: 0;
}

.card--service {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.card--service .card__text {
  flex-grow: 1;
  margin-bottom: 24px;
}

.card--featured {
  border-color: var(--color-gold);
  background: linear-gradient(180deg, rgba(201,162,75,0.08), var(--color-bg-card) 40%);
}

.card__badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--color-gold);
  color: #0a0a0a;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 2px;
}

.card__price {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--color-gold);
  margin-bottom: 20px;
}

.card__student-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-text-muted, #999);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.card__student-link:hover {
  color: var(--color-gold);
}

/* ===== Gallery ===== */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery__video,
.gallery__img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  filter: grayscale(15%);
  transition: transform var(--transition);
}

.gallery__video:hover,
.gallery__img:hover {
  transform: scale(1.03);
}

/* ===== FAQ ===== */
.faq__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
}

.faq__question {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.faq__answer {
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 300;
}

/* ===== Contacts ===== */
.contacts {
  background: var(--color-bg-alt);
}

.contacts__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}

.contacts__text {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.contacts__list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 32px;
}

.contacts__list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
}

.contacts__list i {
  color: var(--color-gold);
  width: 20px;
  text-align: center;
}

.socials {
  display: flex;
  gap: 14px;
}

.socials__link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text);
  font-size: 16px;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}

.socials__link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-3px);
}

.contacts__map {
  margin-top: 28px;
  border: 1px solid var(--color-border);
  filter: grayscale(40%) contrast(1.05);
  line-height: 0;
}

.contacts__map iframe {
  display: block;
}

/* Form */
.contacts__form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 44px;
}

.form__title {
  font-family: var(--font-display);
  font-size: 26px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.form__group {
  margin-bottom: 20px;
}

.form__group label {
  display: block;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form__group input,
.form__group textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 300;
  border-radius: 2px;
  transition: border-color var(--transition);
  resize: vertical;
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: #5c5c58;
}

.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}

.form__submit {
  width: 100%;
  border: none;
}

.form__note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-gold);
  min-height: 18px;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ===== Floating buttons ===== */
.floating-buttons {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(0, 0, 0, 0.6);
  transition: transform var(--transition), box-shadow var(--transition);
}

.floating-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 26px -6px rgba(0, 0, 0, 0.7);
}

.floating-btn--whatsapp {
  background: #25d366;
}

.floating-btn--instagram {
  background: linear-gradient(135deg, #f9ce34, #ee2a7b, #6228d7);
}

@media (max-width: 768px) {
  .floating-buttons {
    right: 16px;
    bottom: 16px;
  }

  .floating-btn {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width: 992px) {
  .about__inner,
  .contacts__inner {
    grid-template-columns: 1fr;
  }

  .achievements__grid,
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-alt);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    padding: 40px;
    transition: right var(--transition);
    border-left: 1px solid var(--color-border);
  }

  .nav.active {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: 24px;
  }

  .burger {
    display: flex;
  }

  .achievements__grid,
  .services__grid,
  .gallery__grid {
    grid-template-columns: 1fr;
  }

  .about__frame {
    display: none;
  }

  section {
    padding: 80px 0;
  }
}