:root {
  --black: #0a0a0a;
  --black-soft: #141414;
  --panel: #1c1c1c;
  --green: #39e639;
  --green-dark: #1fae1f;
  --white: #f5f5f5;
  --gray: #a0a0a0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
}

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

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

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.95);
  border-bottom: 2px solid var(--green);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 5%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 1px;
}

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

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--green);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.footer-logo-img {
  width: 130px;
  margin: 0 auto 14px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
}

nav ul li a {
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--green);
  border-color: var(--green);
}

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

.burger span {
  width: 26px;
  height: 3px;
  background: var(--green);
  border-radius: 2px;
}

/* HERO */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.75), rgba(10,10,10,0.92)),
    url("assets/gym-zona-cardio.jpg");
  background-size: cover;
  background-position: center;
  padding: 60px 5%;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.hero h1 .highlight {
  color: var(--green);
}

.hero p.tagline {
  font-size: 1.3rem;
  font-style: italic;
  color: var(--gray);
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 14px 34px;
  background: var(--green);
  color: var(--black);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s;
}

.btn:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}

.btn.outline {
  background: transparent;
  border: 2px solid var(--green);
  color: var(--green);
}

/* INSTAGRAM VIDEO EMBEDS */
.video-feature {
  padding: 30px 0 10px;
}

.video-feature .container,
section blockquote.instagram-media {
  max-width: 400px;
  margin: 0 auto;
}

section blockquote.instagram-media {
  width: 100% !important;
}

/* SECTIONS */
section {
  padding: 70px 0;
}

section.alt {
  background: var(--black-soft);
}

.section-title {
  text-align: center;
  margin-bottom: 45px;
}

.section-title h2 {
  font-size: 2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-title h2 .highlight {
  color: var(--green);
}

.section-title p {
  color: var(--gray);
  margin-top: 10px;
}

/* CARDS / GRID */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.card {
  background: var(--panel);
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 32px 26px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--green);
}

.card .icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.card h3 {
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.card p {
  color: var(--gray);
  font-size: 0.95rem;
}

/* STATS */
.stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 50px;
  text-align: center;
}

.stats .stat strong {
  display: block;
  font-size: 2.4rem;
  color: var(--green);
}

.stats .stat span {
  color: var(--gray);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

/* SCHEDULE TABLE */
.schedule-wrap {
  overflow-x: auto;
}

table.schedule {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

table.schedule th {
  background: var(--green);
  color: var(--black);
  padding: 12px;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

table.schedule td {
  padding: 12px;
  text-align: center;
  border: 1px solid #2a2a2a;
  color: var(--white);
  font-size: 0.9rem;
}

table.schedule td.hour {
  background: #143014;
  color: var(--green);
  font-weight: 700;
}

table.schedule tr:nth-child(even) td:not(.hour) {
  background: #161616;
}

table.schedule td.free {
  color: var(--gray);
  font-style: italic;
}

/* ABOUT */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-content .badge {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 4px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: var(--panel);
  max-width: 320px;
  margin: 0 auto;
}

.values {
  margin-top: 20px;
  list-style: none;
}

.values li {
  padding: 8px 0;
  border-bottom: 1px solid #2a2a2a;
}

.values li::before {
  content: "▸ ";
  color: var(--green);
  font-weight: 700;
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info .item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-info .item .icon {
  color: var(--green);
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-info .item h4 {
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  color: var(--gray);
  margin-bottom: 4px;
}

form.contact-form {
  background: var(--panel);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #2a2a2a;
}

form.contact-form label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray);
  margin-bottom: 6px;
  margin-top: 16px;
}

form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 12px;
  background: var(--black);
  border: 1px solid #333;
  border-radius: 6px;
  color: var(--white);
  font-family: inherit;
}

form.contact-form input:focus,
form.contact-form textarea:focus {
  outline: none;
  border-color: var(--green);
}

form.contact-form button {
  margin-top: 22px;
  width: 100%;
}

.map-embed {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #2a2a2a;
  min-height: 300px;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  min-height: 300px;
  border: 0;
}

/* SOCIAL */
.social-links {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 1.2rem;
  transition: background 0.2s, color 0.2s;
}

.social-links a:hover {
  background: var(--green);
  color: var(--black);
}

/* PRICING */
.pricing-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.pricing-group h3 {
  text-align: center;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1.05rem;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--green);
}

.price-item {
  background: var(--panel);
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}

.price-item summary {
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.price-item summary::-webkit-details-marker {
  display: none;
}

.price-item summary::after {
  content: "+";
  color: var(--green);
  font-size: 1.3rem;
  font-weight: 700;
  flex-shrink: 0;
}

.price-item[open] summary::after {
  content: "\2212";
}

.price-item[open] summary {
  border-bottom: 1px solid #2a2a2a;
}

.price-detail {
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.price-detail span:first-child {
  color: var(--green);
  font-weight: 700;
  font-size: 1.1rem;
}

.price-detail .duration {
  color: var(--gray);
  font-size: 0.9rem;
}

@media (max-width: 850px) {
  .pricing-groups {
    grid-template-columns: 1fr;
  }
}

/* GALLERY */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.gallery-grid img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid #2a2a2a;
  transition: transform 0.2s, border-color 0.2s;
}

.gallery-grid img:hover {
  transform: scale(1.02);
  border-color: var(--green);
}

@media (max-width: 850px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* PARTNERS */
.partners-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
}

.partner-card {
  background: var(--panel);
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: border-color 0.2s, transform 0.2s;
}

.partner-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
}

.partner-card img {
  height: 46px;
  width: auto;
  background: var(--white);
  border-radius: 8px;
  padding: 8px 12px;
}

.partner-card .partner-text h4 {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.partner-card .partner-text p {
  color: var(--gray);
  font-size: 0.85rem;
  max-width: 260px;
}

.footer-partners {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 18px 0;
  flex-wrap: wrap;
}

.footer-partners span {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--gray);
}

.footer-partners img {
  height: 26px;
  background: var(--white);
  border-radius: 5px;
  padding: 4px 8px;
}

/* FOOTER */
footer {
  background: var(--black-soft);
  border-top: 2px solid var(--green);
  padding: 30px 5%;
  text-align: center;
  color: var(--gray);
  font-size: 0.9rem;
}

footer .foot-links {
  margin-top: 10px;
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

footer .foot-links a:hover {
  color: var(--green);
}

/* RESPONSIVE */
@media (max-width: 850px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2,
  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--black);
    border-bottom: 2px solid var(--green);
    display: none;
  }
  nav.open {
    display: block;
  }
  nav ul {
    flex-direction: column;
    padding: 20px;
    gap: 0;
  }
  nav ul li {
    padding: 12px 0;
    border-bottom: 1px solid #222;
  }
  .burger {
    display: flex;
  }
}