/* ==================== TOKENS ==================== */
:root {
  --bg: #0b0f0d;
  --bg-alt: #101512;
  --surface: #151b17;
  --surface-2: #1b2320;
  --border: #263029;
  --text: #eef2ef;
  --text-dim: #9fb0a8;
  --accent: #b7ff2c;
  --accent-dim: #8fd419;
  --accent-ink: #0b0f0d;
  --radius: 14px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --font-head: "Oswald", sans-serif;
  --font-body: "Inter", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

h1, h2, h3 {
  font-family: var(--font-head);
  text-transform: uppercase;
  line-height: 1.15;
  letter-spacing: 0.5px;
}

h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 0.6rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

.center { text-align: center; margin-inline: auto; }

.eyebrow {
  color: var(--accent);
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.8rem;
  margin-bottom: 0.7rem;
}

section { padding: 96px 0; }

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-head);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn--accent {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn--accent:hover { background: var(--accent-dim); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn--full { width: 100%; }

/* ==================== NAVBAR ==================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 15, 13, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 1px;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--text); }

.nav-cta { flex-shrink: 0; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ==================== HERO ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(183, 255, 44, 0.12), transparent 55%),
    url("https://images.unsplash.com/photo-1517836357463-d25dfeac3438?auto=format&fit=crop&w=1740&q=80");
  background-size: cover;
  background-position: center;
  filter: grayscale(30%);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,15,13,0.55) 0%, rgba(11,15,13,0.75) 55%, var(--bg) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 76px;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  margin: 0.4rem 0 1.2rem;
}
.hero h1 span { color: var(--accent); }

.hero__lead {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid var(--text-dim);
  border-radius: 20px;
  z-index: 2;
}
.scroll-cue span {
  position: absolute;
  top: 6px; left: 50%;
  width: 4px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollCue 1.8s infinite;
}
@keyframes scrollCue {
  0% { opacity: 1; top: 6px; }
  70% { opacity: 0; top: 20px; }
  100% { opacity: 0; top: 6px; }
}

/* ==================== STATS ==================== */
.stats {
  background: var(--surface);
  border-block: 1px solid var(--border);
  padding: 48px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat__num {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--accent);
}
.stat__label {
  color: var(--text-dim);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==================== ABOUT ==================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__media { position: relative; }

.about__img {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  background-image: url("https://images.unsplash.com/photo-1534438327276-14e5300c3a48?auto=format&fit=crop&w=900&q=80");
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}

.about__badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 20px 24px;
  border-radius: var(--radius);
  max-width: 220px;
  box-shadow: var(--shadow);
}
.about__badge strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.6rem;
}
.about__badge span { font-size: 0.85rem; }

.about__text h2 span { color: var(--accent); }

.about__text p { color: var(--text-dim); margin-bottom: 1.2rem; }

.check-list { margin-bottom: 1.8rem; }
.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  color: var(--text);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ==================== OFFER ==================== */
.offer { background: var(--bg-alt); }

.offer h2 { margin-bottom: 3rem; }

.offer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}
.card__icon { font-size: 2rem; margin-bottom: 1rem; }
.card p { color: var(--text-dim); font-size: 0.95rem; }

/* ==================== PRICING ==================== */
.pricing h2 { margin-bottom: 3rem; }

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.price-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease;
}
.price-card:hover { transform: translateY(-6px); }

.price-card--featured {
  background: var(--surface-2);
  border-color: var(--accent);
  transform: scale(1.04);
}
.price-card--featured:hover { transform: scale(1.04) translateY(-6px); }

.price-card__tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
}

.price {
  font-family: var(--font-head);
  color: var(--accent);
  margin: 0.6rem 0 1.5rem;
}
.price span { font-size: 2.4rem; }
.price small { font-size: 0.9rem; color: var(--text-dim); }

.price-card ul { margin-bottom: 2rem; flex-grow: 1; }
.price-card li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--text-dim);
  font-size: 0.92rem;
}
.price-card li::before {
  content: "＋";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.pricing__note {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-top: 2rem;
}

/* ==================== TRAINERS ==================== */
.trainers { background: var(--bg-alt); }
.trainers h2 { margin-bottom: 3rem; }

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

.trainer-card { text-align: center; }

.trainer-card__img {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
  margin-bottom: 1rem;
  filter: grayscale(15%);
  box-shadow: var(--shadow);
}
.trainer-card__img--1 { background-image: url("https://images.unsplash.com/photo-1571019613454-1cb2f99b2d8b?auto=format&fit=crop&w=500&q=80"); }
.trainer-card__img--2 { background-image: url("https://images.unsplash.com/photo-1548690312-e3b507d8c110?auto=format&fit=crop&w=500&q=80"); }
.trainer-card__img--3 { background-image: url("https://images.unsplash.com/photo-1583454110551-21f2fa2afe61?auto=format&fit=crop&w=500&q=80"); }
.trainer-card__img--4 { background-image: url("https://images.unsplash.com/photo-1518310383802-640c2de311b6?auto=format&fit=crop&w=500&q=80"); }

.trainer-card span {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ==================== TESTIMONIALS ==================== */
.testimonials h2 { margin-bottom: 3rem; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px;
}
.testimonial p { margin-bottom: 1rem; color: var(--text); font-size: 0.95rem; }
.testimonial cite {
  font-style: normal;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ==================== CONTACT ==================== */
.contact { background: var(--bg-alt); }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact__info h2 span { color: var(--accent); }

.contact-list { margin: 1.5rem 0 2rem; }
.contact-list li {
  color: var(--text-dim);
  margin-bottom: 0.9rem;
  font-size: 0.95rem;
}
.contact-list strong { color: var(--text); }
.contact-list em { color: var(--accent-dim); font-style: normal; font-size: 0.8rem; }

.socials { display: flex; gap: 12px; }
.socials a {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.socials a:hover { border-color: var(--accent); color: var(--accent); }

.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact__form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.contact__form input,
.contact__form textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note {
  font-size: 0.85rem;
  color: var(--accent);
  min-height: 1.2em;
}

/* ==================== FOOTER ==================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer p { color: var(--text-dim); font-size: 0.85rem; }
.footer__links { display: flex; gap: 20px; }
.footer__links a { color: var(--text-dim); font-size: 0.85rem; }
.footer__links a:hover { color: var(--accent); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 960px) {
  .about__grid,
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .offer__grid,
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .trainers__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .price-card--featured { transform: none; }
  .price-card--featured:hover { transform: translateY(-6px); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 20px;
  }
  .nav-cta.open { display: inline-flex; margin: 0 24px 24px; }

  .offer__grid,
  .testimonials__grid,
  .trainers__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about__badge { position: static; margin-top: 16px; max-width: none; }
  section { padding: 64px 0; }
}
