/* Fitness - Energetic Red/Black */
:root {
    --red: #E63946;
    --dark-red: #A4161A;
    --black: #0A0A0A;
    --gray: #1D1D1D;
    --white: #FFFFFF;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    background: var(--black);
    color: var(--white);
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid var(--red);
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 2px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--red);
}

.btn-trial {
    padding: 12px 30px;
    background: var(--red);
    color: var(--white);
    text-decoration: none;
    font-weight: 900;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--red);
}

/* Hero */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(230,57,70,0.3), rgba(10,10,10,0.8));
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 0.9;
    margin-bottom: 25px;
}

.highlight {
    color: var(--red);
    display: block;
}

.hero-content p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 18px 45px;
    font-weight: 900;
    letter-spacing: 2px;
    text-decoration: none;
    transition: all 0.3s;
    border: 3px solid transparent;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--red);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--dark-red);
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(230,57,70,0.5);
}

.btn-outline {
    border-color: var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--black);
}

.btn-lg {
    padding: 22px 60px;
    font-size: 1.1rem;
}

/* Features */
.features {
    padding: 80px 0;
    background: var(--gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-box {
    text-align: center;
    padding: 40px 20px;
    background: var(--black);
    border: 2px solid transparent;
    transition: all 0.3s;
}

.feature-box:hover {
    border-color: var(--red);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-box h3 {
    font-size: 1.1rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.feature-box p {
    color: #999;
}

/* Classes Preview */
.classes-preview {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.2rem;
    color: #999;
}

.classes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.class-card {
    background: var(--gray);
    overflow: hidden;
    transition: transform 0.3s;
}

.class-card:hover {
    transform: translateY(-10px);
}

.class-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.class-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.class-card:hover .class-image img {
    transform: scale(1.1);
}

.class-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
}

.intensity {
    padding: 8px 20px;
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 1px;
}

.intensity.high {
    background: var(--red);
}

.intensity.low {
    background: #4CAF50;
}

.class-info {
    padding: 30px;
}

.class-info h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    font-weight: 900;
}

.class-info p {
    color: #999;
    margin-bottom: 20px;
    line-height: 1.7;
}

.class-meta {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--red);
    font-weight: 700;
}

.center-btn {
    text-align: center;
}

/* Stats */
.stats {
    padding: 80px 0;
    background: var(--red);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 900;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    letter-spacing: 2px;
    font-weight: 700;
}

/* Pricing Preview */
.pricing-preview {
    padding: 100px 0;
    background: var(--gray);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.price-card {
    background: var(--black);
    padding: 50px 40px;
    border: 2px solid transparent;
    transition: all 0.3s;
    position: relative;
}

.price-card:hover {
    border-color: var(--red);
    transform: translateY(-10px);
}

.price-card.featured {
    border-color: var(--red);
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--red);
    padding: 5px 15px;
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 1px;
}

.price-header {
    text-align: center;
    margin-bottom: 30px;
}

.price-header h3 {
    font-size: 1.5rem;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.price {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--red);
}

.price span {
    font-size: 1.2rem;
    color: #999;
}

.price-features {
    list-style: none;
    margin-bottom: 40px;
}

.price-features li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 1.05rem;
}

.price-card .btn {
    width: 100%;
    text-align: center;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--red);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: var(--black);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer .logo {
    font-size: 2rem;
    margin-bottom: 15px;
}

.footer-col h4 {
    color: var(--red);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--red);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    color: #999;
}

.footer-bottom a {
    color: #999;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--white);
}

/* Responsive */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 75px;
        flex-direction: column;
        background: rgba(10,10,10,0.98);
        width: 100%;
        padding: 40px;
        gap: 25px;
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .btn-trial {
        display: none;
    }

    .features-grid,
    .classes-grid,
    .pricing-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 640px) {
    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}