/* ===================== ROOT VARIABLES ===================== */
:root {
    --primary-red: #e63946;
    --primary-red-dark: #c1121f;
    --primary-black: #1a1a2e;
    --secondary-black: #16213e;
    --dark-bg: #0f0f1a;
    --card-bg: #1e1e32;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #e9ecef;
    --gray: #6c757d;
    --text-light: #f1f1f1;
    --text-muted: #adb5bd;
    --gold: #ffd700;
    --font-primary: 'Oswald', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 5px 25px rgba(0,0,0,0.15);
    --shadow-hover: 0 10px 40px rgba(0,0,0,0.25);
    --radius: 10px;
    --radius-lg: 20px;
}

/* ===================== RESET & BASE ===================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-secondary);
    color: var(--white);
    background: var(--dark-bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.text-red { color: var(--primary-red); }

/* ===================== PRELOADER ===================== */
#preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(230,57,70,0.2);
    border-top-color: var(--primary-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===================== SECTION HEADER ===================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 24px;
    background: rgba(230,57,70,0.12);
    color: var(--primary-red);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 50px;
    margin-bottom: 15px;
    border: 1px solid rgba(230,57,70,0.3);
}

.section-header h2 {
    font-family: var(--font-primary);
    font-size: 48px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 12px;
    line-height: 1.2;
}

.section-header p {
    color: var(--text-muted);
    font-size: 16px;
    max-width: 550px;
    margin: 0 auto;
}

/* ===================== BUTTONS ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 34px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-red-dark);
    border-color: var(--primary-red-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230,57,70,0.3);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-black);
    transform: translateY(-2px);
}

.btn-small {
    padding: 10px 24px;
    font-size: 14px;
}

.btn-large {
    padding: 18px 44px;
    font-size: 18px;
}

/* ===================== HEADER ===================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15,15,26,0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(15,15,26,0.98);
    box-shadow: 0 5px 30px rgba(0,0,0,0.3);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

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

.logo img { height: 45px; width: auto; }

.logo-text {
    font-family: var(--font-primary);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-link {
    padding: 8px 16px;
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-light);
    border-radius: 5px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-red);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

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

.bar {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ===================== HERO SLIDER ===================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease, transform 0.8s ease;
    transform: scale(1.05);
}

.slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.slide-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15,15,26,0.88) 0%, rgba(15,15,26,0.55) 50%, rgba(230,57,70,0.2) 100%);
    display: flex;
    align-items: center;
}

.slide-content {
    max-width: 700px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-tag {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(230,57,70,0.2);
    border: 1px solid rgba(230,57,70,0.4);
    color: var(--primary-red);
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 50px;
    margin-bottom: 20px;
}

.slide-content h1 {
    font-family: var(--font-primary);
    font-size: 68px;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.1;
    margin-bottom: 20px;
}

.slide-content p {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 550px;
    line-height: 1.8;
}

.slide-btns {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.slider-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10;
}

.slider-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.08);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 16px;
}

.slider-btn:hover {
    background: var(--primary-red);
    border-color: var(--primary-red);
}

.slider-dots {
    display: flex;
    gap: 8px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.5);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--primary-red);
    border-color: var(--primary-red);
    width: 35px;
    border-radius: 10px;
}

/* ===================== QUICK INFO BAR ===================== */
.quick-info {
    background: var(--card-bg);
    padding: 30px 0;
    border-top: 3px solid var(--primary-red);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-item i {
    font-size: 32px;
    color: var(--primary-red);
    flex-shrink: 0;
}

.info-item h4 {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--white);
}

.info-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ===================== ABOUT ===================== */
.about { background: var(--dark-bg); }

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-experience {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--primary-red);
    padding: 20px 30px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
}

.about-experience .years {
    font-family: var(--font-primary);
    font-size: 36px;
    font-weight: 700;
    display: block;
    line-height: 1;
}

.about-experience p {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.about-content h3 {
    font-family: var(--font-primary);
    font-size: 32px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
    line-height: 1.3;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 15px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 20px 0 30px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-light);
}

.about-feature i {
    color: var(--primary-red);
    font-size: 18px;
}

/* ===================== SERVICES ===================== */
.services {
    background: var(--card-bg);
}

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

.service-card {
    background: var(--dark-bg);
    padding: 40px 30px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--primary-red);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(230,57,70,0.2);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(230,57,70,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary-red);
}

.service-icon i {
    font-size: 30px;
    color: var(--primary-red);
    transition: var(--transition);
}

.service-card:hover .service-icon i {
    color: var(--white);
}

.service-card h3 {
    font-family: var(--font-primary);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.service-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
}

/* ===================== CTA BANNER ===================== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-red) 0%, #8b0000 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.cta-banner-2 {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

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

.cta-content h2 {
    font-family: var(--font-primary);
    font-size: 44px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

/* ===================== PLANS ===================== */
.plans { background: var(--dark-bg); }

.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.plan-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    position: relative;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(230,57,70,0.3);
}

.plan-card.featured {
    border: 2px solid var(--primary-red);
    transform: scale(1.05);
}

.plan-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-red);
    color: var(--white);
    padding: 4px 24px;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
}

.plan-header h3 {
    font-family: var(--font-primary);
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.plan-price {
    margin-bottom: 25px;
}

.plan-price .currency {
    font-family: var(--font-primary);
    font-size: 22px;
    vertical-align: top;
    color: var(--primary-red);
}

.plan-price .amount {
    font-family: var(--font-primary);
    font-size: 52px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.plan-price .period {
    font-size: 14px;
    color: var(--text-muted);
}

.plan-features {
    margin-bottom: 30px;
    text-align: left;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-light);
}

.plan-features li:last-child { border-bottom: none; }

.plan-features i {
    width: 20px;
    text-align: center;
}

.plan-features .fa-check { color: #2ecc71; }
.plan-features .fa-times { color: var(--gray); }

.plan-btn { width: 100%; justify-content: center; }

.plan-offer {
    margin: 15px 0 20px;
    padding: 10px 12px;
    background: rgba(255,215,0,0.08);
    border: 1px dashed rgba(255,215,0,0.3);
    border-radius: 6px;
    text-align: center;
}

.plan-offer p {
    font-size: 13px;
    color: var(--gold);
    font-weight: 500;
}

.plan-offer a {
    color: var(--primary-red);
    font-weight: 600;
    text-decoration: underline;
}

.plan-offer a:hover {
    color: #fff;
}

/* ===================== TRAINERS ===================== */
.trainers { background: var(--card-bg); }

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

.trainer-card {
    background: var(--dark-bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.trainer-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.trainer-img {
    height: 300px;
    overflow: hidden;
}

.trainer-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.trainer-info {
    padding: 25px;
    text-align: center;
}

.trainer-info h3 {
    font-family: var(--font-primary);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.trainer-info > span {
    display: block;
    color: var(--primary-red);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
}

.trainer-info p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 15px;
}

.trainer-social {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.trainer-social a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 15px;
    transition: var(--transition);
}

.trainer-social a:hover {
    background: var(--primary-red);
    color: var(--white);
    transform: translateY(-3px);
}

/* ===================== GALLERY ===================== */
.gallery { background: var(--dark-bg); }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.15);
}

.gallery-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(230,57,70,0.85), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: rgba(230,57,70,0.3);
    transform: translateX(5px);
}

.contact-card i {
    font-size: 28px;
    color: var(--primary-red);
    margin-bottom: 10px;
}

.contact-card h3 {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.contact-card p,
.contact-card a {
    font-size: 14px;
    color: var(--text-muted);
}

.contact-card a:hover {
    color: var(--primary-red);
}

.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.contact-social a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 18px;
    transition: var(--transition);
}

.contact-social a:hover {
    background: var(--primary-red);
    color: var(--white);
    transform: translateY(-3px);
}

.map-container {
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    min-height: 450px;
    border: 1px solid rgba(255,255,255,0.05);
}

.map-container iframe {
    width: 100%;
    height: 100%;
}

.map-link {
    color: var(--primary-red);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    margin-top: 4px;
    transition: color 0.3s;
}

.map-link:hover {
    color: var(--white);
}

/* ===================== FOOTER ===================== */
.footer {
    background: var(--primary-black);
    padding: 60px 0 0;
    border-top: 3px solid var(--primary-red);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-col h3 {
    font-family: var(--font-primary);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.footer-col h4 {
    font-family: var(--font-primary);
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 15px;
    color: var(--white);
}

.footer-col p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 16px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-red);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--primary-red);
    padding-left: 5px;
}

.footer-hours li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
}

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

/* ===================== WHATSAPP FLOAT ===================== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 30px;
    z-index: 999;
    box-shadow: 0 5px 25px rgba(37,211,102,0.4);
    transition: var(--transition);
    animation: whatsappPulse 2s infinite;
}

@keyframes whatsappPulse {
    0% { box-shadow: 0 5px 25px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 5px 40px rgba(37,211,102,0.6); }
    100% { box-shadow: 0 5px 25px rgba(37,211,102,0.4); }
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background: #20bd5a;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--white);
    color: var(--primary-black);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ===================== BACK TO TOP ===================== */
.back-to-top {
    position: fixed;
    bottom: 25px;
    left: 25px;
    width: 45px;
    height: 45px;
    background: var(--primary-red);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-red-dark);
    transform: translateY(-3px);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-image { order: -1; max-width: 500px; margin: 0 auto; }

    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .plans-grid { grid-template-columns: repeat(2, 1fr); }
    .trainers-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }

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

    .slide-content h1 { font-size: 52px; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }

    .section-header h2 { font-size: 36px; }

    .hamburger { display: flex; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--primary-black);
        flex-direction: column;
        padding: 80px 30px 30px;
        transition: right 0.4s ease;
        box-shadow: -5px 0 30px rgba(0,0,0,0.3);
        gap: 5px;
        align-items: stretch;
    }

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

    .nav-link {
        padding: 14px 20px;
        font-size: 16px;
        border-radius: 8px;
        border-bottom: 1px solid rgba(255,255,255,0.04);
    }

    .nav-link::after { display: none; }

    .nav-cta { display: none; }

    .hero { height: 80vh; min-height: 500px; }

    .slide-content h1 { font-size: 42px; }

    .slide-content p { font-size: 15px; }

    .slide-btns { flex-direction: column; align-items: flex-start; }

    .btn-large { padding: 14px 30px; font-size: 16px; }

    .info-grid { grid-template-columns: 1fr 1fr; gap: 15px; }

    .info-item p { font-size: 12px; }

    .services-grid { grid-template-columns: 1fr; }
    .plans-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .plan-card.featured { transform: none; }
    .plan-card.featured:hover { transform: translateY(-10px); }
    .trainers-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .gallery-grid { grid-template-columns: 1fr 1fr; }

    .contact-wrapper { grid-template-columns: 1fr; }

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

    .cta-content h2 { font-size: 32px; }
    .cta-content p { font-size: 16px; }

    .whatsapp-float { width: 52px; height: 52px; font-size: 26px; bottom: 20px; right: 20px; }

    .map-container { min-height: 300px; }
}

@media (max-width: 480px) {
    .header .container { padding: 0 15px; }

    .logo-text { font-size: 22px; }
    .logo img { height: 35px; }

    .slide-content h1 { font-size: 32px; }

    .info-grid { grid-template-columns: 1fr; }
    .info-item { justify-content: center; }

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

    .section-header h2 { font-size: 28px; }

    .about-content h3 { font-size: 24px; }
    .about-features { grid-template-columns: 1fr; }

    .plan-price .amount { font-size: 42px; }
    .plans-grid { grid-template-columns: 1fr; }

    .slider-btn { width: 38px; height: 38px; font-size: 14px; }

    .back-to-top { width: 38px; height: 38px; font-size: 15px; bottom: 20px; left: 20px; }
}

@media (max-width: 360px) {
    .slide-content h1 { font-size: 28px; }
    .slide-tag { font-size: 12px; }
    .btn { padding: 12px 24px; font-size: 14px; }
}
