/* =========================================
   VARIABLES & SETUP
========================================= */
:root {
    --bg-color: #0a0a0a;
    --surface-color: #121212;
    --surface-light: #1e1e1e;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    
    --accent-neon: #ccff00;
    --accent-hover: #b3e600;
    --accent-dark: rgba(204, 255, 0, 0.1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius: 8px;
}

html {
    scroll-behavior: smooth;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.neon-text {
    color: var(--accent-neon);
    text-shadow: 0 0 10px rgba(204, 255, 0, 0.4);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* =========================================
   TYPOGRAPHY
========================================= */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

/* =========================================
   BUTTONS
========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--accent-neon);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 20px rgba(204, 255, 0, 0.3);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--accent-neon);
    color: #000;
    box-shadow: 0 0 20px rgba(204, 255, 0, 0.2);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* =========================================
   NAVBAR
========================================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-neon);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-color);
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    font-size: 2rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
}

/* =========================================
   HERO SECTION
========================================= */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    /* Ken Burns effect */
    animation: slowZoom 20s ease-out infinite alternate;
}

@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(10,10,10,0.6) 0%, rgba(10,10,10,0.85) 50%, rgba(10,10,10,1) 100%);
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
    margin-top: 4rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6.5rem);
    text-transform: uppercase;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    line-height: 1;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    opacity: 0.5;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-15px) translateX(-50%); }
    60% { transform: translateY(-7px) translateX(-50%); }
}

/* =========================================
   FEATURES SECTION
========================================= */
.features {
    padding: 8rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface-color);
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(204, 255, 0, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-dark);
    color: var(--accent-neon);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* =========================================
   MEMBERSHIPS
========================================= */
.memberships {
    padding: 8rem 0;
    background: var(--surface-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    align-items: center;
}

.pricing-card {
    background: var(--bg-color);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    transition: var(--transition);
}

.pricing-card.popular {
    transform: scale(1.05);
    border-color: var(--accent-neon);
    box-shadow: 0 10px 40px rgba(204, 255, 0, 0.1);
    z-index: 2;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-neon);
    color: #000;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-header h3 {
    font-size: 1.5rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.pricing-header .price {
    font-size: 3.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1;
}

.pricing-header .price span {
    font-size: 1.5rem;
    vertical-align: super;
}

.pricing-header .period {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.pricing-features li svg {
    color: var(--accent-neon);
    width: 20px;
    flex-shrink: 0;
}

.pricing-features li.disabled {
    color: var(--text-secondary);
    opacity: 0.5;
}

.pricing-features li.disabled svg {
    color: var(--text-secondary);
}

/* =========================================
   TRAINERS
========================================= */
.trainers {
    padding: 8rem 0;
}

.trainers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.trainer-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--surface-color);
}

.trainer-img-wrapper {
    position: relative;
    padding-top: 125%; /* 4:5 Aspect Ratio */
    overflow: hidden;
}

.trainer-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: grayscale(80%) contrast(1.2);
}

.trainer-card:hover .trainer-img-wrapper img {
    transform: scale(1.05);
    filter: grayscale(0%) contrast(1.1);
}

.trainer-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10,10,10,0.9) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 2rem;
}

.trainer-card:hover .trainer-overlay {
    opacity: 1;
}

.trainer-socials {
    display: flex;
    gap: 1rem;
    transform: translateY(20px);
    transition: var(--transition);
}

.trainer-card:hover .trainer-socials {
    transform: translateY(0);
}

.trainer-socials a {
    width: 40px;
    height: 40px;
    background: var(--accent-neon);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trainer-socials a:hover {
    background: #fff;
    transform: scale(1.1);
}

.trainer-info {
    padding: 1.5rem;
    text-align: center;
}

.trainer-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.trainer-info p {
    color: var(--accent-neon);
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
}

/* =========================================
   CLASSES / SCHEDULE
========================================= */
.classes {
    padding: 8rem 0;
    background: var(--bg-color);
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.schedule-card {
    background: var(--surface-color);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: var(--transition);
}

.schedule-card:hover {
    transform: translateY(-5px);
    border-color: rgba(204, 255, 0, 0.3);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.schedule-time {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--accent-dark);
    color: var(--accent-neon);
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: 1.5rem;
}

.schedule-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.schedule-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   TESTIMONIALS
========================================= */
.testimonials {
    padding: 8rem 0;
    background: var(--surface-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-color);
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stars {
    color: var(--accent-neon);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.testimonial-card h4 {
    font-family: var(--font-body);
    font-weight: 600;
    color: #fff;
}

/* =========================================
   FOOTER & CTA
========================================= */
.footer {
    position: relative;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-cta {
    background: linear-gradient(180deg, var(--surface-color) 0%, var(--bg-color) 100%);
    padding: 6rem 2rem;
    text-align: center;
}

.footer-cta h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 1rem;
}

.footer-cta p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.lead-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 1rem;
}

.lead-form input {
    flex: 1;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-body);
}

.lead-form input:focus {
    outline: none;
    border-color: var(--accent-neon);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    padding: 4rem 2rem;
}

.footer-brand p {
    color: var(--text-secondary);
    max-width: 300px;
    margin-top: 1rem;
}

.footer-links, .footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links h3, .footer-contact h3 {
    color: #fff;
    margin-bottom: 1rem;
    font-family: var(--font-body);
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--accent-neon);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   FLOATING BUTTON
========================================= */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366; /* Official WA color */
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    z-index: 99;
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
}

/* =========================================
   ANIMATIONS UTILS
========================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 992px) {
    .pricing-card.popular {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions .btn {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-cta {
        flex-direction: column;
    }

    .lead-form {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}